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product structure : silicon integrated circuit this product has no designed protection against radioactive r ays 1/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 tsz22111 ? 14 ? 001 www.rohm.com 1ch gate driver providing galvanic isolation 2500vrms isolation voltage BM60051FV-C general description the bm60051 fv -c is a gate driver with an isolation voltage of 2500vrms, i/o delay time of 26 0ns, minimum input pulse width of 180ns, and incorporates the fault signal output function, under voltage lockout (uvlo) function, short circuit protection (scp) function, active miller clamping function, temperature monitoring function, switching controller function and output state feedback function. features ? fault signal output function ? under voltage lockout function ? short circuit protection function ? active miller clamping ? temperature monitor ? switching controller ? output state feedback function ? ul 1577 recognized:file no. e356010 ? aec -q100 qualified (note 1) (note 1:grade1 ) applications ? automotive isolated igbt/mosfet inverter gate drive. ? automotive dc-dc converter. ? industrial inverters system. ? ups system. key specifications ? isolation voltage: 2500 [vrms] (max) ? maximum gate drive voltage: 24 [v] (max) ? i/o delay time: 26 0 [ns] (max) ? minimum input pulse width: 180 [ns] (max) packages w(typ) x d(typ) x h(max) ssop-b28w 9.2mm x 10.4mm x 2. 4 mm typical application circuit vcc2 vcc2 gnd1 flt dis ina osfb sensor vcc1 fb comp v_batt vreg fet_g sense gnd1 gnd2 out2 nc out1 vcc2 proout tc to2 to1 scpin3 scpin2 scpin1 uvloin gnd2 q s r - + + dac slope - + osc flt osc osc uvlo1 - + - + edge - + - + osc flt filter filter ecu rectifier / ripple f ilter rectifier / ripple f ilter snubber vcc1 v_ba tt gnd2 gnd1 gnd2 gnd1 regulator - + current source - + predriver logic uvlo_batt timer osfb osc q s r q s r logic max.duty rese t rst uvlo1 uvlo_ba tt filter - + - + figure 1. typical application circuit datashee t downloaded from: http:///
2/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C recommended range of external constants pin configuration pin name symbol recommended value unit min typ max tc (note2) r tc 1.25 - 50 k tc (note3) r tc 0.1 1 10 m vbatt c vbatt 3 - - f vcc1 c vcc1 0.2 - - f vcc2 c vcc2 0.4 - - f vreg c vreg 0.1 1 10 f (note2) use temperature monitor (note3) no use temperature monitor pin descriptions pin no. pin name function 1 gnd2 output-side ground pin 2 uvloin output-side uvlo setting pin 3 scpin1 short circuit current detection pin 1 4 scpin2 short circuit current detection pin 2 5 scpin3 short circuit current detection pin 3 6 to1 constant current output pin / sensor voltage input pin 1 7 to2 constant current output pin / sensor voltage input pin 2 8 tc constant current setting resistor connection pin 9 proout soft turn-off pin /gate voltage input pin 10 vcc2 output-side power supply pin 11 out1 output pin 12 nc no connect 13 out2 output pin for miller clamp 14 gnd2 output-side ground pin 15 gnd1 input-side ground pin 16 flt fault output pin 17 dis input enabling signal input pin 18 ina control input pin 19 osfb output state feedback output pin 20 sensor temperature information output pin 21 vcc1 input-side power supply pin 22 fb error amplifier inverting input pin for switching controller 23 comp error amplifier output pin for switching controller 24 v_batt main power supply pin 25 vreg power supply pin for driving mos fet for switching controller 26 fet_g mos fet control pin for switching controller 27 sense current feedback resistor connection pin for switching controlle r 28 gnd1 input-side ground pin (top view) 8 gnd1 28 8 sense 27 8 fet_g 26 8 vreg 25 8 v_batt 24 8 comp 23 8 fb 22 8 vcc1 8 sensor 20 8 osfb 19 9 21 8 ina 18 8 dis 17 8 flt 16 8 gnd1 15 gnd2 1 uvloin 2 scpin1 3 scpin2 4 scpin3 5 to1 6 to2 7 tc 8 proout 9 vcc2 10 out1 14 nc 12 out2 13 gnd2 14 figure 2. pin configuration downloaded from: http:///
3/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C absolute maximum ratings (note 4) relative to gnd1 (note 5) relative to gnd2 (note 6) should not exceed pd and tj=150 ? c (note 7) derate above ta=25 ? c at a rate of 9.0mw/ ? c. mounted on a glass epoxy of 114.3 mm ? 76.2 mm ? 1.6 mm. caution : operating the ic over the absolute maximum ratings may damage t he ic. the damage can either be a short circuit between pins or an open circuit between pins and the internal circuitry. therefore, it is important to consider circuit protection measures, such as adding a fuse, in ca se the ic is operated over the absolute maximum ratings. recommended operating conditions parameter symbol min max units main power supply voltage v batt (note 8) 4.5 24.0 v input-side control block supply voltage v cc1 (note 8) 4.5 5.5 v output-side supply voltage v cc2 (note 9) 9 24 v output side uvlo voltage v uv2th (note 9) 6 - v (note 8) gnd1 reference (note 9) gnd2 reference insulation related characteristics parameter symbol characteristic unit insulation resistance (v io =500v) r s >10 9 insulation withstand voltage / 1min v iso 2500 vrms insulation test voltage / 1sec v iso 3000 vrms parameter symbol rating unit main power supply voltage v battmax -0.3 to +40.0 (note 4) v input-side control block supply voltage v cc1max -0.3 to +7.0 (note 4) v output-side supply voltage v cc2max -0.3 to +30.0 (note 5) v ina, dis pin input voltage v inmax -0.3 to +v cc1 +0.3v or +7.0v (note 4) v flt, osfb pin input voltage v fltmax -0.3 to +7.0v (note 4) v flt pin , osfb pin output current i flt 10 ma sensor pin output current i sensor 10 ma fb pin input voltage v fbmax -0.3 to +v cc1 +0.3v or +7.0v (note 4) v fed_g pin output current (peak5s) i fet_gpeak 1000 ma scpin1 pin, scpin2 pin, scpin3 pin input voltage v scpinmax -0.3 to +6.0 (note 5) v uvloin pin input voltage v uvloinmax -0.3 to v cc2 +0.3 (note 5) v to1 pin, to2 pin input voltage v tomax -0.3 to v cc2 +0.3 (note 5) v to1 pin , to2 pin output current i tomax 8 ma out1 pin output current (peak 5s ) i out1peak 5000 (note 6) ma out2 pin output current (peak 5s ) i out2peak 5000 (note 6) ma proout pin output current (peak 5s ) i prooutpeak5 2500 (note 6) ma proout pin output current (peak 10s ) i prooutpeak10 1000 (note 6) ma power dissipation pd 1.12 (note 7) w operating temperature range t opr -40 to +125 c storage temperature range tstg -55 to +150 c junction temperature tjmax +150 c downloaded from: http:///
4/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C electrical characteristics (unless otherwise specified ta=-40c to125c, v batt =5v to 24v, v cc1 =4.5v to 5.5v, v cc2 =9v to 24v) parameter symbol min typ max unit conditions general main power supply circuit current 1 i batt1 0.37 0.84 1.47 ma fet_g pin switching operating main power supply circuit current 2 i batt2 0.34 0.77 1.35 ma fet_g pin no switching input side circuit current 1 i cc11 0.13 0.31 0.49 ma out=l input side circuit current 2 i cc12 0.13 0.31 0.49 ma out=h input side circuit current 3 i cc13 0.25 0.42 0.59 ma ina =10khz, duty=50% input side circuit current 4 i cc14 0.31 0.53 0.74 ma ina =20khz, duty=50% output side circuit current i cc2 2.7 4.7 7.1 ma r tc =10k switching power supply controller fet_g output voltage h1 v fetgh1 4.5 5.0 5.5 v i out =0a(open) fet_g output voltage h2 v fetgh2 4.0 4.5 - v v_batt=4.5v i out =0a(open) fet_g output voltage l v fetgl 0 - 0.3 v i out =0a(open) fet_g on-resistance (source-side) r ongh 3 6 12 10ma fet_g on-resistance (sink-side) r ongl 0.3 0.6 1.3 10ma oscillation frequency f osc_sw 80 100 120 khz soft-start time t ss - - 50 ms fb pin threshold voltage v fb 1.47 1.50 1.53 v fb pin input current i fb -0.8 0 +0.8 a comp pin sink current i compsink - 160 - 80 - 40 a comp pin source current i compsource 40 80 160 a v_batt uvlo off voltage v uvlobatth 4.05 4.25 4.45 v v_batt uvlo on voltage v uvlobattl 3.95 4.15 4.35 v maximum on duty d onmax 75 85 95 % logic block logic high level input voltage v inh 0.7 v cc1 - v cc1 v ina dis logic low level input voltage v inl 0 - 0.3 v cc1 v ina dis logic pull-down resistance r ind 25 50 100 k ina logic pull-up resistance r inu 25 50 100 k dis logic input filtering time t infil 80 130 180 ns ina dis input filtering time t disfil 4 10 20 s dis input delay time t ddis 4 10 20 s output out1 on-resistance (source-side) r onh 0.2 0.55 1.3 i out =40ma out1 on-resistance (sink-side) r onl 0.2 0.55 1.3 i out =40ma out1 maximum current i outmax 5.0 - - a v cc2 =15v guaranteed by design proout on-resistance r onpro 0.5 1.2 2.7 i proout =40ma turn on time t pon 140 200 260 ns turn off time t poff 140 200 260 ns propagation distortion t pdist - 60 0 + 60 ns t poff - t pon rise time t rise - 30 50 ns load=1nf fall time t fall - 30 50 ns load=1nf out2 on-resistance r on2 0.4 0.9 2.0 i out =40ma out2 on threshold voltage v out2on 1.8 2.0 2.2 v out2 output delay time t out2on - 15 50 ns common mode transient immunity cm 100 - - kv/s design assurance downloaded from: http:///
5/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C electrical characteristics - continued (unless otherwise specified ta=-40c to125c, v batt =5v to 24v, v cc1 =4.5v to 5.5v, v cc2 =8v to 24v) parameter symbol min typ max unit conditions temperature monitor tc pin voltage v tc 0.975 1.000 1.025 v tox pin output current i to 0.97 1.00 1.03 ma r tc =1 0k sensor output frequency f osc_to 8 10 14 khz sensor output duty1 d sensor1 87 90 93 % v tox =1.35v sensor output duty2 d sensor2 47 50.0 53 % v tox =2.59v sensor output duty3 d sensor3 5 10 15 % v tox =3.84v tox pin disconnect detection voltage v toh 7 8 9 v sensor on resistance (source-side) r sensorh - 60 160 i sensor =5ma sensor on resistance (sink-side) r sensorl - 60 160 i sensor =5ma protection functions input-side uvlo off voltage v uvlo1h 4.05 4.25 4.45 v input-side uvlo on voltage v uvlo1l 3.95 4.15 4.35 v input-side uvlo filtering time t uvlo1fil 2 10 30 s input-side uvlo delay time (out) t duvlo1out 2 10 30 s input-side uvlo delay time (flt) t duvlo1flt 2 10 30 s output-side uvlo off threshold voltage v uvlo2h 0.95 1.00 1.05 v output-side uvlo on threshold voltage v uvlo2l 0.85 0.90 0.95 v output-side uvlo filtering time t uvlo2fil 2 10 30 s output-side uvlo delay time (out) t duvlo2out 2 10 30 s output-side uvlo delay time (flt) t duvlo2flt 3 - 65 s short current detection voltage v scdet 0.67 0.70 0.73 v short current detection filtering time t scpfil 0.15 0.30 0.45 s short current detection delay time (out) t dscpout 0.16 0.33 0.50 s out1=30k pull down short current detection delay time (proout) t dscppro 0.17 0.35 0.53 s proout=30k pull up short current detection delay time (flt) t dscpflt 1 - 35 s soft turn off release time t scpoff 30 - 110 s out1=30k pull up flt output on-resistance r fltl - 30 80 i flt =5ma fault output holding time t fltrls 20 40 60 ms gate state h detection threshold voltage v osfbh 4.5 5.0 5.5 v gate state l detection threshold voltage v osfbl 4.0 4.5 5.0 v osfb output filtering time t osfbfil 1.5 2.0 2.5 s osfb output on-resistance r osfb - 30 80 i osfb =5ma osfb output holding time t osfbrls 20 40 60 ms downloaded from: http:///
6/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C ul1577 ratings table following values are described in ul report. parameter values units conditions side 1 (input side) circuit current 1.37 ma v_batt=14v,vcc1=5.0v,out1 =l side 2 (output side) circuit current 4.7 ma vcc2= 15 v, out1 =l side 1 (input side) consumption power 14.4 mw v_batt=14v,vcc1=5.0v,out1 =l side 2 (output side) consumption power 70.5 mw vcc2= 15 v, out1 =l isolation voltage 2500 vrms maximum operating (ambient) temperature 125 maximum junction temperature 150 maximum strage temperature 150 maximum data transmission rate 2.7 mhz downloaded from: http:///
7/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C typical performance curves figure 4. main power supplycircuit current 1 (fet_g pin switching operating) figure 6. main power supplycircuit current 2 (fet_g pin no switching) figure 5. main power supplycircuit current 2 (fet_g pin no switching) figure 3. main power supplycircuit current 1 (fet_g pin switching operating) 0.37 0.57 0.77 0.97 1.17 1.37 4.5 9 13.5 18 22.5 v batt [v] i batt1 [ma] - 40 c 25 c 125 c 0.34 0.54 0.74 0.94 1.14 1.34 -40 0 40 80 120 ta [c] i batt2 [ma] v batt =4.5v v batt =14v v batt =24v 0.34 0.54 0.74 0.94 1.14 1.34 4.5 9 13.5 18 22.5 v batt [v] i batt2 [ma] - 40 c 25 c 125 c 0.37 0.57 0.77 0.97 1.17 1.37 -40 0 40 80 120 ta [c] i batt1 [ma] v batt =4.5v v batt =14v v batt =24v downloaded from: http:///
8/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 8. input side circuit current 1 (out1=l) figure 9. input side circuit current 2 (out1=h) figure 7. input side circuit current 1 (out1=l) figure 10. input side circuit current 2 (out1=h) 0.13 0.18 0.23 0.28 0.33 0.38 0.43 0.48 4.5 4.75 5 5.25 5.5 v cc1 [v] i cc11 [ma] - 40 c 25 c 125 c 0.13 0.18 0.23 0.28 0.33 0.38 0.43 0.48 -40 0 40 80 120 ta [c] i cc12 [ma] v cc1 =4.5v v cc1 =5.0v v cc1 =5.5v 0.13 0.18 0.23 0.28 0.33 0.38 0.43 0.48 4.5 4.75 5 5.25 5.5 v cc1 [v] i cc12 [ma] - 40 c 25 c 125 c 0.13 0.18 0.23 0.28 0.33 0.38 0.43 0.48 -40 0 40 80 120 ta [c] i cc11 [ma] v cc1 =4.5v v cc1 =5.0v v cc1 =5.5v downloaded from: http:///
9/ 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 14. input side circuit current 4 (ina=20khz, duty=50%) figure 12. input side circuit current 3 (ina=10khz, duty=50%) figure 13. input side circuit current 4 (ina=20khz, duty=50%) figure 11. input side circuit current 3 (ina=10khz, duty=50%) 0.25 0.3 0.35 0.4 0.45 0.5 0.55 4.5 4.75 5 5.25 5.5 v cc1 [v] i cc13 [ma] - 40 c 25 c 125 c 0.31 0.36 0.41 0.46 0.51 0.56 0.61 0.66 0.71 -40 0 40 80 120 ta [c] i cc14 [ma] v cc1 =4.5v v cc1 =5.0v v cc1 =5.5v 0.31 0.36 0.41 0.46 0.51 0.56 0.61 0.66 0.71 4.5 4.75 5 5.25 5.5 v cc1 [v] i cc14 [ma] - 40 c 25 c 125 c 0.25 0.3 0.35 0.4 0.45 0.5 0.55 -40 0 40 80 120 ta [c] i cc13 [ma] v cc1 =4.5v v cc1 =5.0v v cc1 =5.5v downloaded from: http:///
10 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 16. output side circuit current (out=l, r tc =10k ) figure 18. output side circuit current (out=h, r tc =10k ) figure 17. output side circuit current (out=h, r tc =10k ) figure 15. output side circuit current (out=l, r tc =10k ) 2.7 3.2 3.7 4.2 4.7 5.2 5.7 6.2 6.7 9 12 15 18 21 24 v cc2 [v] i cc2 [ma] - 40 c 25 c 125 c 2.7 3.2 3.7 4.2 4.7 5.2 5.7 6.2 6.7 -40 0 40 80 120 ta [c] i cc2 [ma] v cc2 =9v v cc2 =15v v cc2 =24v 2.7 3.2 3.7 4.2 4.7 5.2 5.7 6.2 6.7 -40 0 40 80 120 ta [c] i cc2 [ma] v cc2 =9v v cc2 =15v v cc2 =24v 2.7 3.2 3.7 4.2 4.7 5.2 5.7 6.2 6.7 9 12 15 18 21 24 v cc2 [v] i cc2 [ma] - 40 c 25 c 125 c downloaded from: http:///
11 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 20. fet_g output voltage l figure 22. fet_g on -resistance (sink-side) figure 21. fet_g on -resistance (source-side) figure 19. fet_g output voltage h1/h2 4 4.25 4.5 4.75 5 5.25 5.5 4.5 9 13.5 18 22.5 v batt [v] v fetgh [v] - 40 c 25 c 125 c -0.3 -0.2 -0.1 0 0.1 0.2 0.3 4.5 9 13.5 18 22.5 v batt [v] v fetgl [v] - 40 c 25 c 125 c 0.3 0.5 0.7 0.9 1.1 1.3 4.5 9 13.5 18 22.5 v batt [v] r ongl [] - 40 c 25 c 125 c 3 6 9 12 4.5 9 13.5 18 22.5 v batt [v] r ongh [] - 40 c 25 c 125 c downloaded from: http:///
12 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 24. soft-start time figure 25. fb pin threshold voltage figure 23. oscillation frequency figure 26. fb pin input current -0.8 -0.4 0 0.4 0.8 4.5 9 13.5 18 22.5 v batt [v] i fb [a] - 40 c 25 c 125 c 1.47 1.48 1.49 1.5 1.51 1.52 1.53 4.5 9 13.5 18 22.5 v batt [v] v fb [v] - 40 c 25 c 125 c 0 10 20 30 40 50 4.5 9 13.5 18 22.5 v batt [v] t ss [ms] - 40 c 25 c 125 c 80 90 100 110 120 4.5 9 13.5 18 22.5 v batt [v] f osc_sw [khz] - 40 c 25 c 125 c downloaded from: http:///
13 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 28. comp pin source current figure 29. v_batt uvlo on/offvoltage figure 27. comp comp pin sink current figure 30. maximum on duty 75 80 85 90 95 4.5 9 13.5 18 22.5 v batt [v] d onmax [%] - 40 c 25 c 125 c 0 2 4 6 3.95 4.05 4.15 4.25 4.35 4.45 v batt [v] v flt [v] - 40 c 25 c 125 c 40 60 80 100 120 140 160 4.5 9 13.5 18 22.5 v batt [v] i compsource [a] - 40 c 25 c 125 c -160 -140 -120 -100 -80 -60 -40 4.5 9 13.5 18 22.5 v batt [v] i compsink [a] - 40 c 25 c 125 c downloaded from: http:///
14 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 31. logic high / low level input voltage (ina, dis) figure 33. logic input filtering time (l pulse) figure 34. logic input filtering time (h pulse) figure 32. logic pull-down resistance (ina) pull-up resistance (dis) 80 105 130 155 180 4.5 4.75 5 5.25 5.5 v cc1 [v] t infil [ns] - 40 c 25 c 125 c 80 105 130 155 180 4.5 4.75 5 5.25 5.5 v cc1 [v] t infil [ns] - 40 c 25 c 125 c 25 40 55 70 85 100 4.5 4.75 5 5.25 5.5 v cc1 [v] r ind /r inu [k] - 40 c 25 c 125 c 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 4.5 4.75 5 5.25 5.5 v cc1 [v] v inh / v inl [v] - 40 c 25 c 125 c - 40 c 25 c 125 c l h downloaded from: http:///
15 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 35. dis input filtering time figure 36. dis input delay time figure 37. out1 on-resistance(source-side) (i out1 =40ma) figure 38. out1 on-resistance (sink-side) (i out1 =40ma) 0.2 0.4 0.6 0.8 1 1.2 9 12 15 18 21 24 v cc2 [v] r onl [] - 40 c 25 c 125 c 0.2 0.4 0.6 0.8 1 1.2 9 12 15 18 21 24 v cc2 [v] r onh [] - 40 c 25 c 125 c 4 8 12 16 20 4.5 4.75 5 5.25 5.5 v cc1 [v] t ddis [s] - 40 c 25 c 125 c 4 8 12 16 20 4.5 4.75 5 5.25 5.5 v cc1 [v] t disfil [s] 25 c - 40 c 125 c downloaded from: http:///
16 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 39. turn on time figure 40. turn off time figure 41. rise time figure 42. fall time 0 10 20 30 40 50 9 12 15 18 21 24 v cc2 [v] t fall [ns] - 40 c 25 c 125 c 0 10 20 30 40 50 9 12 15 18 21 24 v cc2 [v] t rise [ns] - 40 c 25 c 125 c 140 170 200 230 260 9 12 15 18 21 24 v cc2 [v] t poff [ns] - 40 c 25 c 125 c 140 170 200 230 260 9 12 15 18 21 24 v cc2 [v] t pon [ns] - 40 c 25 c 125 c downloaded from: http:///
17 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 43. proout on-resistance (i proout =40ma) figure 44. out2 on-resistance (i out2 =40ma) figure 45. out2 on threshold voltage figure 46. out2 output delay time 0 10 20 30 40 50 9 12 15 18 21 24 v cc2 [v] t out2on [ns] - 40 c 25 c 125 c 1.8 1.9 2 2.1 2.2 9 12 15 18 21 24 v cc2 [v] v out2on [v] 125 c - 40 c 25 c 0.4 0.8 1.2 1.6 2 9 12 15 18 21 24 v cc2 [v] r on2 [] - 40 c 25 c 125 c 0.5 0.9 1.3 1.7 2.1 2.5 9 12 15 18 21 24 v cc2 [v] r onpro [] - 40 c 25 c 125 c downloaded from: http:///
18 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C 0.1 1 10 1 10 100 i to [ma] rtc [k ] figure 47. tc pin voltage figure 48. tox pin output current (rtc=10k ) figure 49. tox pin output current figure 50. sensor output frequency 8 9 10 11 12 13 14 9 12 15 18 21 24 v cc2 [v] f osc_to [khz] - 40 c 25 c 125 c 0.97 0.98 0.99 1 1.01 1.02 1.03 9 12 15 18 21 24 v cc2 [v] i to [ma] - 40 c 25 c 125 c 0.975 0.985 0.995 1.005 1.015 1.025 9 12 15 18 21 24 v cc2 [v] v tc [v] - 40 c 25 c 125 c downloaded from: http:///
19 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 51. sensor output duty figure 52. sensor output duty1 (vtox=1.35v) figure 53. sensor output duty2 (vtox=2.59v) figure 54. sensor output duty3 (vtox=3.84v) 5 7 9 11 13 15 9 12 15 18 21 24 v cc2 [v] d sensor3 [%] - 40 c 25 c 125 c 47 48 49 50 51 52 53 9 12 15 18 21 24 v cc2 [v] d sensor2 [%] - 40 c 25 c 125 c 87 88 89 90 91 92 93 9 12 15 18 21 24 v cc2 [v] d sensor1 [%] - 40 c 25 c 125 c 0 10 20 30 40 50 60 70 80 90 100 1 1.5 2 2.5 3 3.5 4 v tox [v] d sensor [%] - 40 c 25 c 125 c downloaded from: http:///
20 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 55. tox pin disconnect detection voltage figure 56. sensor on resistance(source-side) (i sebsor =5ma) figure 57. sensor on resistance (sink-side) (i sensor =5ma) figure 58. input-side uvlo on/off voltage 0 2 4 6 3.95 4.05 4.15 4.25 4.35 4.45 v cc1 [v] v flt [v] - 40 c 25 c 125 c 10 35 60 85 110 135 160 4.5 4.75 5 5.25 5.5 v cc1 [v] r sensorl [] - 40 c 25 c 125 c 10 35 60 85 110 135 160 4.5 4.75 5 5.25 5.5 v cc1 [v] r sensorh [] - 40 c 25 c 125 c 7 7.5 8 8.5 9 9 12 15 18 21 24 v cc2 [v] v toh [v] - 40 c 25 c 125 c downloaded from: http:///
21 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C 2 6 10 14 18 22 26 30 -40 0 40 80 120 t duvlo1flt [s] ta [ c] 2 6 10 14 18 22 26 30 -40 0 40 80 120 t duvlo1out [s] ta [ c] 2 6 10 14 18 22 26 30 -40 0 40 80 120 t uvlo1fil [s] ta [ c] figure 60. input-side uvlo delay time (out1) figure 61. input-side uvlo delay time (flt) figure 62. output-side uvlo on / off threshold voltage figure 59. input-side uvlo filtering time 0 2 4 6 0.85 0.9 0.95 1 1.05 v uvloin [v] v flt [v] - 40 c 25 c 125 c downloaded from: http:///
22 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C 3 13 23 33 43 53 63 -40 0 40 80 120 t duvlo2flt [s] ta [ c] 2 6 10 14 18 22 26 30 -40 0 40 80 120 t duvlo2out [v] ta [ c] 2 6 10 14 18 22 26 30 -40 0 40 80 120 t uvlo2fil [s] ta [ c] figure . uvlo ?rg figure 64. output-side uvlo delay time figure 65. output-side uvlo delay time (flt) figure 66. short current detection voltage figure 63. output-side uvlo filtering time 0.67 0.68 0.69 0.7 0.71 0.72 0.73 9 12 15 18 21 24 v cc2 [v] v scdet [v] - 40 c 25 c 125 c figure 64. output-side uvlo delay time (out1) downloaded from: http:///
23 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 67. short current detection filtering time figure 68. short current detection delay time (out1) figure 69. short current detection delay time (proout) figure 70. short current detection delay time (flt) 0.15 0.2 0.25 0.3 0.35 0.4 0.45 9 12 15 18 21 24 v cc2 [v] t scpfil [s] - 40 c 25 c 125 c 1 6 11 16 21 26 31 9 12 15 18 21 24 v cc2 [v] t dscpflt [s] - 40 c 25 c 125 c - 40 c 25 c 125 c maximum minimum 0.17 0.23 0.29 0.35 0.41 0.47 0.53 9 12 15 18 21 24 v cc2 [v] t dscppro [s] - 40 c 25 c 125 c 0.16 0.22 0.28 0.34 0.4 0.46 9 12 15 18 21 24 v cc2 [v] t dscpout [s] - 40 c 25 c 125 c downloaded from: http:///
24 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 71. soft turn off release time figure 72. flt output on-resistance (i flt =5ma) figure 73. fault output holding time figure 74. gate state h /l detection threshold voltage 4 4.25 4.5 4.75 5 5.25 5.5 9 12 15 18 21 24 v cc2 [v] v osfb [v] - 40 c 25 c 125 c - 40 c 25 c 125 c h ? l ? 20 30 40 50 60 4.5 4.75 5 5.25 5.5 v cc1 [v] t fltrls [ms] - 40 c 25 c 125 c 10 20 30 40 50 60 70 80 4.5 4.75 5 5.25 5.5 v cc1 [v] r fltl [] 125 c 25 c - 40 c 30 50 70 90 110 9 12 15 18 21 24 v cc2 [v] t scpoff [s] - 40 c 25 c 125 c - 40 c 25 c 125 c maximum minimum downloaded from: http:///
25 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C figure 75. osfb output filtering time figure 76. osfb output on-resistance (i osfb =5ma) figure 77. osfb output holding time 20 30 40 50 60 4.5 4.75 5 5.25 5.5 v cc1 [v] t osfbrls [ms] - 40 c 25 c 125 c 10 20 30 40 50 60 70 80 4.5 4.75 5 5.25 5.5 v cc1 [v] r osfbl [] 125 c 25 c - 40 c 1.5 1.7 1.9 2.1 2.3 2.5 4.5 4.75 5 5.25 5.5 v cc1 [v] t osfbfil [us] - 40 c 25 c 125 c downloaded from: http:///
26 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of pins and cautions on layout of board 1. v_batt (main power supply pin) this is the main power supply pin. connect a bypass capac itor between v_batt and gnd1 in order to suppress voltage variations. be sure to apply a power supply even when the switching power supply is not used, since the internal reference voltage of the input side chip is generated from this po wer supply. 2. vcc1 (input-side power supply pin) the vcc1 pin is a power supply pin on the input side. to suppress voltage fluctuations due to the driving current of th e internal transformer, connect a bypass capacitor between the vcc1 and the gnd1 pins. 3. gnd1 (input-side ground pin) the gnd1 pin is a ground pin on the input side. 4. vcc2 (output-side positive power supply pin) the vcc2 pin is a positive power supply pin on the outpu t side. to reduce voltage fluctuations due to the driving current of the internal transformer and output current, connect a bypass capac itor between the vcc2 and the gnd2 pins. 5. gnd2 (output-side ground pin) the gnd2 pin is a ground pin on the output side. connect the gnd2 pin to the emitter / source of output device. 6. ina , dis (c ontrol input pin, input enabling signal input pin) they are pins for deciding the output logic. dis ina out1 h x l l l l l h h x: don't care 7. flt (fault output pin) the flt pin is an open drain pin that outputs a fault signal when a fault occurs (i.e., when the under voltage lockout function (uvlo) or short circuit protection function (scp) is activated ). state flt while in normal operation hi -z when a fault occurs (uvlo / scp) l 8. osfb (output pin for monitoring gate condition) this is an open drain pin which compares gate logic of the o utput element monitored with proout pin and dis /in a pin input logic, and outputs l when they disaccord. stat us dis ina proout(input) osfb normal operation h x h l h x l hi -z l l h l l l l hi -z l h h hi -z l h l l fault x x x hi -z x: don't care 9. sensor (temperature information output pin) this is a pin which outputs the voltage of either to1 or to2, w hichever is lower, converted to duty cycle. 10. fb (error amplifier inverting input pin for switching controller) this is a voltage feedback pin of the switching controller. co nnect it to vcc1 when the switching controller is not used. 11. comp (error amplifier output pin for switching controller) this is the gain control pin of the switching controller. conn ect a phase compensation capacitor and resist or . when the switching controller is not used, connect it to gnd1. 12. vreg (power supply pin for the driving mos fet of the switching contro ller) this is the power supply pin for the driving mosfet of the sw itching controller transformer drive. be sure to connect a capacitor between vreg an d gnd1 even when the switching controller is not used, in order to prevent oscillation and suppress voltage variation due to fet_g output current. downloaded from: http:///
27 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of pins and cautions on layout of board C continued 13. fet_g (mos fet control pin for switching controller) this is a mosfet control pin for the switching controller tra nsformer drive. leave it unconnected when the switching controller is not used. 14. sense (connection to the current feedback resistor of the switching controller) this is a pin connected to the resist or of the switching controller current feedback. fet_g pin output d uty is controlled by the voltage value of this pin. connect it to vcc1 when switch ing controller is not used. 15. out(output pin) the out pin is a gate driving pin. 16. out2 (miller clamp pin) this is the miller clamp pin for preventing a rise of gate voltage due to miller current of output element co nnected to out1. out2 should be unconnected when miller clamp function is not used. 17. proout (soft turn-off pin) this is a pin for soft turn-off of output pin when short-c ircuit protection is in action. it also functions as a pin for monitoring gate voltage for miller clamp function and output state feedback function. 18. scpin1 , scpin2 , scpin3 (short circuit current detection pin) these are the pins used to detect current for short circuit p rotection. when the scpin1 pin, scpin2 pin or scpin3 pin voltage exceeds the voltage set with the v scdet parameter, the scp function will be activated, this will ma ke the ic function in an open state. t o avoid such trouble , connect a resistor between the scpin and the gnd2 or short the scpin pin to gnd2 when the scp function is not used. 19. tc (resistor connection pin for setting constant current source output ) the tc pin is a resistor connection pin for setting the c onstant current output. if an arbitrary resistance value is connected between tc and gnd2, it is possible to set the constant current value output fro m to. 20. to1 , to2 (constant current output / sensor voltage input pin) the to1 pin and the to2 pin are constant current output / voltage inpu t pins. it can be used as a sensor input by connecting an element with arbitrary impedance between to x pin and gnd. furthermore , the to x pin disconnect detection function is built- in. 21. uvloin (output-side uvlo setting input pin) the uvloin pin is a pin for deciding uvlo setting value of vcc2. the threshold value of uvlo can be set by dividing the resistance voltage of vcc2 and inputting such value. downloaded from: http:///
28 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting 1. fault status output this function is used to output a fault signal from the flt pi n when a fault occurs (i.e., when the under voltage loc kout function (uvlo) or short circuit protection function (scp) is activated ) and hold the fault signal until fault output holding time (t fltrls ) is completed. 2. under voltage lockout (uvlo) function the BM60051FV-C incorporates the under voltage lockout (uvlo) fun ction on v_batt, vcc1 and vcc2 . when the power supply voltage drops to the uvlo on voltage, the out pin and the flt pin will both output the l signal. when the power supply voltage rises to the uvlo off voltage, these pins will be reset. however, during the fault output holding time set in fault status output section, the out pin and the flt pin will hold the l signal. in addition, to prevent m is -triggers due to noise, mask time t uvlo1fil and t uvlo2fil are set on both low and high voltage sides. ina h v_batt l v uvlobatth v uvlobattl flt hi -z l out1 h l fet_g h l v uvlo1l ina h vcc1 l v uvlo1h flt hi -z l out1 h l fet_g h l ina h uvloin l v uvlo2h v uvlo2l flt hi -z l out1 h l fet_g h l status flt pin normal hi -z fault occurs l flt hi -z l out l h status fault occurs (uvlo or scp) fault output holding time (t fltrls ) figure 78 . fault status output timing chart figure 79. v_batt uvlo function operation timing chart figure 81 . vcc2 uvlo function operation timing chart figure 80 . vcc1 uvlo function operation timing chart downloaded from: http:///
29 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting - continued 3. short circuit protection (scp) function when the scpin pin voltage exceeds a voltage set with the v scdet parameter, the scp function will be activated. when the scp function is activated, the out pin voltage will be s et to the hi -z level and the proout pin voltage will go to the l level first (soft turn-off).next, when the short-circuit curre nt falls below the threshold value and after t scpoff has passed, out pin and proout pin become l. finally, when the fa ult output holding time is completed, the scp function will be released. ? figure 82 . scp operation timing chart t scpfil fault output holding time flt proout scpmsk internal voltage scpinx out gate voltage in hi -z l hi -z l scp filter threshold v scdet l hi -z h h l t scpfil fault output holding time figure 83. scp operation status transition diagram t scpoff t scpoff v scpin >v scdet yes no start out=hi-z proout=l flt=l out=h proout=hi-z exceed filter time yes no exceed t fltrls yes no in=h yes no v scpin 30 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting - continued 4. miller clamp function when out1=l and proout pin voltage < v out2on , internal mos of out2 pin is turned on , and miller clamp function operates. while the short-circuit protection function is activated, miller clamp function operates after lapse of soft turn- off release time t scpoff . scpin proout ina v scdet hi -z l h l out1 out2 h hi -z l t pon t out2on t scpoff flt hi -z l t fltrls v out2on short current scpin ina proout out2 detected not less than v scdet x x hi -z not detected x l not less than v out2on hi -z x l not more than v out2on l x h x hi -z figure 84 . block diagram of miller clamp function v out2on out2 logic out1 vcc2 proout gnd2 - + predriv er predriv er predriv er predriv er figure 85 . timing chart of miller clamp function t fltrls t scpoff t pon t out20n hi -z v out20n hi -z hi -z v scdet proout out2 out1 flt scpin ina l l l l h h downloaded from: http:///
31 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting - continued 5. temperature monitor function constant current is supplied from tox pins from the built-in con stant current circuit. this current value can be adjusted in accordance with the resistance value connected between tc and gnd2. furthermore, to x pin has voltage input function, and outputs signal of tox pin voltage converted to duty from sensor pin . when voltage of either one of to x pin s is no less than disconnect detection voltage v toh , sensor pin outputs l. therefore, when only one of the to x pin s is used, connect a resist or between the other to pin s and gnd2 to keep pin voltage at no more than v toh . tc tc r 10 v ? ? r tc to vcc2 tc z osc gnd2 sensor 10 figure 86 . block diagram of temperature monitor function sensorpin output tox pin voltage toy pin voltage 1.1v 4.1v when voltage is no more than v toh , either one of to1 and to2 terminals with lower volta ge has precedence. v toh figure 87 . timing chart of temperature monitor function constant current value vcc2 sensor gnd2 r tc tc to osc z v toh tox pin voltage toy pin voltage sensor pin output 4.1v 1.1v downloaded from: http:///
32 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting - continued 6. switching regulator (1) basic action this ic has a built-in switching power supply controller which repeats on/off synchronizing with internal clock. when vbatt voltage is suppl ied (vbatt > v uvlobatth ), fte_g pin starts switching by soft-start. output voltage is determined by the following equation by external resistan ce and winding ratio n of flyback transformer (n= v out2 side winding number/v out1 side winding number) ? ? ? ? ? ? v n r/ r r v v 2 2 1 fb 2 out ? ? ? ? (2) max duty when, for example, output load is large, and voltage level of sense pin does not reach current detection level, output is forcibly turned off by maximum on duty (d onmax ). (3) p in conditions when the switching power supply controller is no t used implement pin treatment as shown below when switching pow er supply is not used. pin number pin name treatment method 22 fb connect to vcc1 23 comp connect to gnd1 24 v_batt connect power supply 25 vreg connect capacitor 26 fet_g no connection 27 sense connect to vcc1 7. gate state monitoring function when gate logic and input logic of output device monitore d with proout pin are compared, a logic l is output from osfb pin when they disaccord. in order to prevent the detection e rror due to delay of input and output, osfb filter time t osfbon is provided. downloaded from: http:///
33 / 45 tsz02201 - 0818abh00010 -1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 bm60051fv -c description of functions and examples of constant setting - continued 8. i/o condition table no. status input output vcc1 uvloin vbatt s c p i n x d i s i n a p r o o u t o u t 1 o u t 2 p r o o u t f l t o s f b 1 scp h h l h x z z l l z 2 vcc 1uvlo uvlo x x l x x h l z z l z 3 uvlo x x l x x l l l z l z 4 vcc 2uvlo x l x l x x h l z z l z 5 x l x l x x l l l z l z 6 vbatt 1uvlo x x uvlo l x x h l z z l z 7 x x uvlo l x x l l l z l z 8 disable h l h x h l z z z l 9 h l h x l l l z z z 10 normal o peration l input h l l l h l z z z l 11 h l l l l l l z z z 12 normal o peration h input h l l h h h z z z z 13 h l l h l h z z z l : vcc1 > uvlo, x: don't care, z: hi -z downloaded from: http:///
34 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C description of functions and examples of constant setting - continued 9. power supply startup / shutoff sequence figure 88 . power supply startup / shutoff sequence : since the vcc2 to gnd2 pin voltage is low and the output mos does not turn on, the output pins become hi-z conditions. : since the vcc1 pin voltage is low and the flt output mos does not turn on, the output pins become hi -z conditions. out1 proout flt v_batt vcc1 v cc 2 in a h l h l hi -z l hi -z l hi -z v uvlo1h v uvlobattl v uvlo1l v uvlo2h v uvlo1l v uvlo2h 0v 0v 0v out2 l hi-z out1 proout flt v_batt vcc1 v cc 2 in a h l h l hi -z l hi -z l hi -z v uvlo1h v uvlo2l v uvlo1h v uvlo2l v uvlo1l v uvlobatth 0v 0v 0v out2 l hi-z l h l l 0v 0v l out1 proout flt v_batt vcc1 v cc 2 in a h hi -z hi -z l hi -z v uvlo1l v uvlobatth v uvlo2l v uvlobatth v uvlo2l v uvlobatth 0v out2 hi-z out1 proout flt v_batt vcc1 v cc 2 in a h l h l hi -z l hi -z l hi -z v uvlo2h v uvlobattl v uvlo2h v uvlobattl v uvlo1h v uvlobattl out2 l hi-z 0v 0v 0v downloaded from: http:///
35 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C selection of components externally connected vcc2 vcc2 gnd1 flt dis ina osfb sensor vcc1 fb comp v_batt vreg fet_g sense gnd1 gnd2 out2 nc out1 vcc2 proout tc to2 to1 scpin3 scpin2 scpin1 uvloin gnd2 q s r - + + dac slope - + osc flt osc osc uvlo1 - + - + edge - + - + osc flt filter filter ecu rectifier / ripple f ilter rectifier / ripple f ilter snubber vcc1 v_ba tt gnd2 gnd1 gnd2 gnd1 regulator - + current source - + predriver logic uvlo_batt t imer osfb osc q s r q s r logic max.duty rese t rst uvlo1 uvlo_ba tt filter - + - + recommended rohm mcr100jzh mcr18ezp recommended rohm mcr03ezp recommended rohm mcr100jzh recommended rohm mcr03ezp recommended rohm ltr18ezp recommended rohm mcr03ezp recommended rohm rb168m150 recommended rohm mcr03ezp mcr18ezp vcc2 gnd1 flt dis ina osfb sensor vcc1 fb comp v_batt vreg fet_g sense gnd1 gnd2 out2 nc out1 vcc2 proout tc to2 to1 scpin3 scpin2 scpin1 uvloin gnd2 q s r - + + dac slope - + osc flt osc osc uvlo1 - + - + edge - + - + osc flt filter filter ecu vcc1 gnd2 gnd1 regulator - + current source - + predriver logic uvlo_batt t imer osfb osc q s r q s r logic max.duty rese t rst uvlo1 uvlo_ba tt filter - + - + recommended rohm mcr03ezp mcr100jzh mcr18ezp recommended rohm mcr03ezp mc r03ezp recommended rohm mcr03ezp mc r100jzh recommended rohm mcr03ezp mc r03ezp recommended rohm mcr03ezp gnd1 gnd1 figure 89. for using switching power supply controller figure 90 . for no using switching power supply controller recommended sumida ceeh139c ceer117 downloaded from: http:///
36 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C power dissipation thermal design please make sure that the ic s chip temperature tj is not over 150 c , while considering the ic s power consumption (w), package power (pd) and ambient temperature (ta). when tj=150 c is exceeded, the ic may malfunctions or some problems (ex. abnormal operation of various parasitic elements and increasing of leak current) may occur. constant use under th ese circumstances leads to deterioration and eventually ic may d estruct. tjmax=150 c must be strictly obeyed under all circumstances. figure 91. ssop-b28w power dissipation curve (pd -ta curve) 0 0.25 0.5 0.75 1 1.25 1.5 0 25 50 75 100 125 150 175 power dissiqation : pd [w] aie teperre : t [] measurement machine th156 kuwano electric measurement condition rohm board board size 114.3 76.2 1.6mm 3 1-layer board ja =111.1 /w downloaded from: http:///
37 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C i/o equivalent circuit pin n o. pin name input output equivalent circuit diagram pin function 2 uvloin uvloin gnd2 vcc2 internal pow er supply output-side uvlo setting pin 3 scpin1 scpin1 scpin2 scpin3 gnd2 vcc2 internal pow er supply short circuit current detection pin 1 4 scpin2 short circuit current detection pin 2 5 scpin3 short circuit current detection pin 3 6 to1 tc to1 to2 gnd2 vcc2 internal pow er supply constant current output pin / sensor voltage input pin 1 7 to2 constant current output pin / sensor voltage input pin 2 8 tc constant current setting resistor connection pin downloaded from: http:///
38 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C i/o equivalent circuit - continued pin no. pin name input output equivalent circuit diagram pin function 11 out1 out1 gnd2 vcc2 output pin 9 proout proout gnd2 vcc2 inter nal power suppl y inter nal power suppl y soft turn-off pin /gate voltage input pin 13 out2 out2 gnd2 vcc2 output pin for miller clamp 16 flt flt osfb gnd1 fault output pin 19 osfb output state feedback output pin 20 sensor sensor gnd1 vcc1 temperature information output pin downloaded from: http:///
39 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C i/o equivalent circuit - continued pin no. pin name input output equivalent circuit diagram pin function 17 dis dis gnd1 vcc1 input enabling signal input pin 18 ina ina gnd1 vcc1 control input pin 22 fb fb gnd1 v_batt internal pow er supply error amplifier inverting input pin for switching controller 23 comp comp gnd1 v_batt internal pow er supply error amplifier output pin for switching controller downloaded from: http:///
40 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C i/o equivalent circuit - continued pin no. pin name input output equivalent circuit diagram pin function 25 vreg gnd1 v_batt fet_g vreg internal pow er supply power supply pin for driving mos fet of switching controller 26 fet_g mos fet control pin for switching controller 27 sense sense gnd1 v_batt internal pow er supply current feedback resistor connection pin fo r switching controller downloaded from: http:///
41 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C operational notes 1. reverse connection of power supply connecting the power supply in reverse polarity can damage th e ic. take precautions against reverse polarity when connecting the power supply, such as mounting an external dio de between the power supply and the ic s power supply terminal s. 2. power supply lines design the pcb layout pattern to provide low impedance supply lines. separate the ground and supply lines of the digital and analog blocks to prevent noise in the grou nd and supply lines of the digital block from affecting th e analog block. furthermore, co nnect a capacitor to ground at all power supply pins . consider the effect of temperature and aging on the capacitance value when using electrolytic capaci tors. 3. ground voltage ensure that no pins are at a voltage below that of the ground pin at any time, even during transient condition. 4. ground wiring pattern when using both small-signal and large-current ground trac es, the two ground traces should be routed separately but connected to a single ground at the reference point of th e application board to avoid fluctuations in the small- signal ground caused by large currents. also ensure that the ground trace s of external components do not cause variations on the ground voltage. the ground lines must be as short and thick a s possible to reduce line impedance. 5. thermal consideration should by any chance the power dissipation rating be exc eeded the rise in temperature of the chip may result in deterioration of the properties of the chip. the absolute maxim um rating of the pd stated in this specification is when th e ic is mounted on a 70mm x 70mm x 1.6mm glass epoxy board . in case of exceeding this absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. 6. recommended operating conditions these conditions represent a range within which the expec ted characteristics of the ic can be approximately obtained . the electrical characteristics are guaranteed under the condi tions of each parameter. 7. rush current when power is first supplied to the ic, it is possible that the internal logic may be unstable and inrush current may flow instantaneously due to the internal powering sequence and delays, especial ly if the ic has more than one power supply. therefore, give special consideration to power co upling capacitance, power wiring, width of ground wiring, and routing of connections. 8. operation under strong electromagnetic field operating the ic in the presence of a strong electromagnetic field m ay cause the ic to malfunction. 9. testing on application boards when testing the ic on an application board, connecting a capac itor directly to a low-impedance output pin may subject the ic to stress. always discharge capacitors completely aft er each process or step. the ics power supply should always be turned off completely before connecting or remo ving it from the test setup during the inspection process. to prevent damage from static discharge, ground the ic during assemb ly and use similar precautions during transport and storage. 10. inter-pin short and mounting errors ensure that the direction and position are correct when mounti ng the ic on the pcb. incorrect mounting may result in damaging the ic. avoid nearby pins being shorted to each other especially to ground, power supply and output pin . inter-pin shorts could be due to many reasons such as m etal particles, water droplets (in very humid environment) a nd unintentional solder bridge deposited in between pins during assembly to name a few. downloaded from: http:///
42 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C operational notes C continued 11. unused input terminals input terminals of an ic are often connected to the gate of a mos transistor. the gate has extremely high impedance and extremely low capacitance. if left unconnected, the ele ctric field from the outside can easily charge it. the smal l charge acquired in this way is enough to produce a significant effect on the conduction through the transistor and cause unexpected operation of the ic. so unless otherwise specified, unused input terminals should be connected to the power supply or ground line. 12. regarding the input pin of the ic this monolithic ic contains p+ isolation and p substrate l ayers between adjacent elements in order to keep them isolated. p-n junctions are formed at the intersection of the p layers with the n layers of other elements, creating a parasitic diode or transistor. for example (refer to figure below): when gnd > pin a and gnd > pin b, the p-n junction operates as a paras itic diode. when gnd > pin b, the p-n junction operates as a parasitic transistor. parasitic diodes inevitably occur in the structure of the ic. the operation of parasitic diodes can result in mutual interference among circuits, operational faults, or physical d amage. therefore, conditions that cause these diodes to operate, such as applying a voltage lower than the gnd volta ge to an input pin (and thus to the p substrate) should be avoided. figure 24. example of monolithic ic structure 13. ceramic capacitor when using a ceramic capacitor, determine the dielectric c onstant considering the change of capacitance with temperature and the decrease in nominal capacitance due to dc bia s and others. n n p + p n n p + p substrate gnd n p + n n p + n p p substrate gnd gnd parasitic elements pin a pin a pin b pin b b c e parasitic elements gnd parasitic elements c be transistor (npn) resistor n region close-by parasitic elements downloaded from: http:///
43 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C ordering information b m 6 0 0 5 1 f v - c e 2 part number package fv : ssop-b28w product class c : for automotive applications packaging and forming specification e2 : embossed tape and reel (ssop-b28w) marking diagram ssop-b28w (top view) b m 6 0 0 5 1 part number marking lot number 1pin mark downloaded from: http:///
44 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C physical dimension, tape and reel information package name ssop-b28w (max 9.55 (include.burr)) downloaded from: http:///
45 / 45 tsz02201-0818abh00010-1-2 ? 2013 rohm co., ltd. all rights reserved. 25.dec.2015 rev.003 www.rohm.com tsz22111 ? 15 ? 001 BM60051FV-C revision history date revision changes 25 .apr.2014 001 new release 13 .may.2015 002 p.1 features adding item (ul1577 recognized) p.21,22 typical performance curves correcting mistakes 25.dec.2015 003 p .9 adding ul1577 rating table downloaded from: http:///
notice-paa-e rev.003 ? 201 5 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. if you intend to use our products in devices requiring extreme ly high reliability (such as medical equipment (note 1) , aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life , bodily injury or serious damage to property ( specific applications ), please consult with the rohm sales representative in advance. unless otherwise agreed in writin g by rohm in advance, rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any rohm s products for specific applications. (note1) medical equipment classification of the specific applic ations japan usa eu china class class class b class class ? class 2. rohm designs and manufactures its products subject to stri ct quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adeq uate safety measures including but not limited to fail-safe desig n against the physical injury, damage to any property, whic h a failure or malfunction of our products may cause. the followi ng are examples of safety measures: [a] installation of protection circuits or other protective devic es to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are no t designed under any special or extraordinary environments or conditions, as exemplified below . accordingly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of any rohms products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or c onditions (as exemplified below), your independent verification and confirmation of product performance, reliabil ity, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, including water, oils, chemicals, and organi c solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products are e xposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed t o static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing component s, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subject to radiation-proof design. 5. please verify and confirm characteristics of the final or mou nted products in using the products. 6 . in particular, if a transient load (a large amount of load appl ied in a short period of time, such as pulse. is applied, confirmation of performance characteristics after on-board mou nting is strongly recommended. avoid applying power exceeding normal rated power; exceeding the power rating u nder steady-state loading condition may negatively affec t product performance and reliability. 7. de -rate power dissipation depending on ambient temperature. wh en used in sealed area, confirm that it is the use in the range that does not exceed the maximum junction temperature. 8 . confirm that operation temperature is within the specified range desc ribed in the product specification. 9 . rohm shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlorine, bromine, etc .) flux is used, the residue of flux may negatively affect prod uct performance and reliability. 2. in principle, the reflow soldering method must be used on a surface-mount products, the flow soldering method mus t be used on a through hole mount products. i f the flow soldering method is preferred on a surface-mount p roducts, please consult with th e rohm representative in advance. for details, please refer to rohm mounting specification downloaded from: http:///
notice-paa-e rev.003 ? 201 5 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, p lease allow a sufficient margin considering variations o f the characteristics of the products and external components, inc luding transient characteristics, as well as static characteristics. 2. you agree that application notes, reference designs, and a ssociated data and information contain ed in this document are presented only as guidance for products use. therefore, i n case you use such information, you are solely responsible for it and you must exercise your own independ ent verification and judgment in the use of such information contained in this document. rohm shall not be in any way respon sible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such informat ion. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take p roper caution in your manufacturing process and storage so t hat voltage exceeding the products maximum rating will not be applied to products. please take special care under dry co ndition (e.g. grounding of human body / equipment / solder iro n, isolation from charged objects, setting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriorate if the products are stored in the places where: [a] the products are exposed to sea winds or corrosive gases, in cluding cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to direct sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage condition, solderabil ity of products out of recommended storage time period may be degraded. it is strongly recommended to confirm so lderability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the correct direction, which is indi cated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a humi dity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage tim e period. precaution for product label a two-dimensional barcode printed on rohm products label is f or rohm s internal use only. precaution for disposition when disposing products please dispose them properly usi ng an authorized industry waste company. precaution for foreign exchange and foreign trade act since concerned goods might be fallen under listed items of export control prescribed by foreign exchange and foreign trade act, please consult with rohm in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to appl ication example contained in this document is for reference only. rohm does not warrant that foregoing information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. 2. rohm shall not have any obligations where the claims, a ctions or demands arising from the combination of the products with other articles such as components, circuits, systems or ex ternal equipment (including software). 3. no license, expressly or implied, is granted hereby under any inte llectual property rights or other rights of rohm or any third parties with respect to the products or the information contai ned in this document. provided, however, that rohm will not assert its intellectual property rights or other rights a gainst you or your customers to the extent necessary to manufacture or sell products containing the products, subject to th e terms and conditions herein. other precaution 1. this document may not be reprinted or reproduced, in whole or in p art, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified , reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any way whatsoever the pr oducts and the related technical information contained in the products or this document for any military purposes, includi ng but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties. downloaded from: http:///
datasheet datasheet notice ? we rev.001 ? 2015 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. downloaded from: http:///

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