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product structure silicon monolithic integrated circuit this product has no designed protection against radioactive ra ys 1/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 www.rohm.com 09.feb.2016 rev.001 switching regulator ics with built-in fet (5 v) BD9639MWV general description BD9639MWV is a 6- ch annel system switching regulator ic with built-in fet and error amplifier phase compensation for dsc/dvc applications. the built-in regulators consist ing of 2ch buck-boost, 2ch buck and 2ch boost circuits operate at high efficiency. features ? 6ch dc/dc converter ? ch1 boost fet embedded start-up ch,motor ? ch2 buck fet embedded core ? ch3 buck-boost fet embedded cmos ? ch4 buck-boost fet embedded digital ? ch5 buck fet embedded cmos, memory ? ch6 boost fet embedded led ? low voltage operation 2.5[v] ? ch1 supply voltage output for internal circuit ? ch1 pwm / pfm selectable ? ch3 -ch4 boost-buck auto switching ? ch6 integrated boost output shutdown (load switch embedded) ? soft-start correspondence to each channel ? built-in ground short protection function ( ch2 to ch6) ? built-in error amp phase compensation ( ch1 to ch6) ? operating frequency 1.5[mhz] (ch1 to ch6) applications dsc/dvc key specifications ? input supply voltage range: 2 .5 v to 5.5v ? oscillating frequency 1: 1.5 mhz(typ) ? on -resistance: refer to electrical characteristics ? shutdown current consumption: 0a(typ) ? operating temperature range: - 20 c to +85c package w(typ) x d(typ) x h(max) uqfn056v7070 7.00mm x 7.00mm x 1.00mm datashee t datashee t downloaded from: http:///
BD9639MWV 2/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 pin configuration pin descriptions terminal no. name equivalent circ uit terminal no. name equivalent circuit 1 sw1 ch1 switching terminal o 29 fb6 ch6 feed buck terminal (constant voltage side) g 2 sw1 ch1 switching terminal o 30 pgnd6 ch6 driver gnd terminal g 3 pgnd1 ch1 driver gnd terminal g 31 sw6 ch6 switching terminal o 4 pgnd1 ch1 driver gnd terminal g 32 lso6 ch6 load switch output terminal o 5 test1 test terminal o ? g 33 vbat6 ch6 load switch input terminal v 6 vbat battery input terminal v 34 xshdn6 ch6 shutdown terminal o ? g 7 xshdn1 ch1 shutdown term inal g 35 rt triangle wave setting resistor terminal 8 agnd1 analog gnd terminal g 36 agnd2 analog gnd terminal g 9 xshdn24 ch2 ? 4 shutdown terminal o ? g 37 vcc analog power supply terminal v 10 fb5 ch5 feed buck terminal g 38 pgnd2 ch2 driver gnd te rminal g 11 pgnd5 ch5 driver gnd terminal g 39 pgnd2 ch2 driver gnd terminal g 12 sw5 ch5 switching terminal o 40 sw2 ch2 switching terminal o 13 vbat5 ch5 driver power supply terminal v 41 sw2 ch2 switching terminal o 14 xshdn5 ch5 shutdown terminal o ? g 42 vbat2 ch2 driver power supply terminal v 15 fb4 ch4 feed buck terminal g 43 vbat2 ch2 driver power supply terminal v 16 out4 ch4 output terminal o 44 fb2 ch2 feed buck terminal g 17 out4 ch4 output terminal o 45 test2 test terminal o ? g 18 us w4 ch4 boost side switching terminal o 46 xshdn3 ch3 shutdown terminal o ? g 19 usw4 ch4 boost side switching terminal o 47 vbat3 ch3 driver power supply terminal v 20 pgnd4 ch4 driver gnd terminal g 48 dsw3 ch3 buck side switching terminal o 21 pgnd4 ch4 driver gnd terminal g 49 dpg3 ch3 gate connecting terminal o 22 dsw4 ch4 buck side switching terminal o 50 pgnd3 ch3 driver gnd terminal g 23 dsw4 ch4 buck side switching terminal o 51 usw3 ch3 boost side switching terminal o 24 vbat4 ch4 driver power supply terminal v 52 out3 ch3 output terminal o 25 vbat4 ch4 driver power supply terminal v 53 fb3 ch3 feed buck terminal g 26 dpg4 ch4 gate connecting terminal o 54 fb1 ch1 feed buck terminal g 27 reserve reserve terminal o ? g 55 out1 ch1 output terminal o 28 fb61 ch6 feed buck terminal (constant current side) g 56 out1 ch1 output terminal o the letter on the right side of each pin explanation indicates the reactio n if the terminal are not used. o ??? open g ??? gnd o ? g ??? o pen or gnd v ??? power supply (vbat) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 42 41 40 39 38 37 36 35 34 33 32 31 30 29 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 sw1 sw1 pgnd1 pgnd1 test1 vbat xshdn1 agnd1 xshdn24 fb5 pgnd5 sw5 vbat5 xshdn5 fb 4 vout4 vout4 usw4 usw4 pgnd4 pgnd4 dsw4 vbat4 dpg4 reserve fb 61 fb6 pgnd6 vbat2 sw2 sw2 pgnd2 pgnd2 vcc agnd2 rt xshdn6 lso6 sw6 vout1 vout1 fb 1 fb 3 vout3 usw3 pgnd3 dpg3 dsw3 vbat3 xshdn3 test2 fb 2 vbat2 vbat6 vbat4 dsw4 top view out3 out1 out1 out4 out4 fb4 usw4 usw4 pgnd4 pgnd4 dsw4 dsw4 vbat4 vbat4 dpg4 fb61 reserve fb1 fb3 usw3 pgnd3 dpg3 dsw3 vbat3 xshdn 3 test2 fb2 vbat2 sw1 sw1 pgnd1 pgnd1 test1 vbat xshdn1 agnd1 xshdn24 fb5 pgnd5 sw5 vbat5 xshdn5 vcc vbat2 sw2 sw2 pgnd2 pgnd2 agnd2 rt xshdn6 vbat6 lso6 sw6 pgnd6 fb6 downloaded from: http:///
BD9639MWV 3/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 block diagram [ ch 3 ] buck - boost out3 dsw 3 usw 3 pgnd 3 vbat 3 buck - boost pwmcomp out3 fb 3 out3 max . duty pre driver [ ch 2 ] buck fb 2 out2 sw 2 vbat 2 pgnd 2 pre driver fb 1 out1 out1 pgnd 1 out1 pfm pwm max . duty vbat [ ch 1 ] boost sw 1 pre driver out2 dpg 3 [ ch 4 ] out4 dsw 4 usw 4 pgnd 4 vbat 4 buck - boost pwmcomp out4 pre driver max . duty fb 4 out4 dpg 4 xshdn 1 tsd vcc star t - up circuit vref xshdn 5 xshdn 6 xshdn 24 xshdn 3 control out1 vbat agn d to each block vbat 6 sw 6 pgnd 6 [ ch 6 ] out6 fb 6 lso 6 max . duty pre driver saw 1 . 5 [ mhz ] rt agn d pgnd 5 fb 5 [ ch 5 ] pre driver sw 5 vbat 5 out5 out5 fb 61 reserve out6 buck - boost buck boost downloaded from: http:///
BD9639MWV 4/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 absolute maximum ratings (ta=25 c ) parameter symbol rating unit supply voltage permissible voltage v vbat -0.3 to +7 v v vbat2 v vbat3 v vbat4 v vbat5 v vbat6 sw6 permissible voltage v sw6 24.0 v out1 permissible current output i out1 1.0 a sw1 permissible current output i sw1 1.0 a sw2 permissible current output i sw2 2.0 a out3 permissible current output i out3 1.0 a dsw3 permissible current output i dsw3 1.0 a usw3 permissible current output i usw3 1.0 a out4 permissible current output i out4 1.0 a dsw4 permissible current output i dsw4 1.0 a usw4 permissible current output i usw4 1.0 a sw5 permissible current output i sw5 1.0 a sw6 permissible current output i sw6 0.2 a power dissipation pd 4.83 (note 1) w operating temperature range topr - 20 to +85 c storage temperature range tstg - 55 to +150 c junction temperature tjmax +150 c (note 1 ) implemented on glass epoxy board (rohm standard board : 74.2 x 74.2 x 1.6[mm 3 ] 4 layers(copper foil : 5502 m 2 ) power dissipation depends on the mounted wiring pattern. 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 case the ic is operated over the absolute maximum ratings. recommended operating conditions parameter symbol limit unit min typ max vbat supply voltage v vbat 2.5 3.7 5.5 v v vbat2 2.5 3.7 5.5 v v vbat3 2.5 3.7 5.5 v v vbat4 2.5 3.7 5.5 v v vbat5 2.5 3.7 5.5 v v vbat6 2.5 3.7 5.5 v downloaded from: http:///
BD9639MWV 5/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 electrical characteristics (unless otherwise specified, v vbat =v vbat2,3,4,5,6 =3.7[v], vcc input terminal =3.7[v], ta=25[ c ]) parameter symbol limit unit conditions min typ max current consumption (pfm) i cc1 - 72 150 a ? xshdn1=h, xshdn24=l ? without load on each channel ? v fb1 =0.5[v] ? sum of vbat terminal , and out1 terminal current consumption (pwm) i cc2 1.57 2.35 3.53 ma ? xshdn1=h, xshdn24=h, test1=h ? v fb1 =0.5[v] ? sum of vbat terminal , and out1 terminal shutdown current consumption i cc3 - 0 10 a ? all setting terminal =l ? sum of vb at terminal , and out1 terminal h input voltage 1 v ih1 v vbat -0.3 - - v xshdn1 l input voltage 1 v il1 - - gnd +0.3 v h input voltage 2 v ih3 2.5 - - v xshdn24 , xshdn3 , xshdn5 , xshdn6 l input voltage 2 v il3 - - gnd +0.3 v h input current 1 i ih1 4.63 9.25 18.5 a input voltage =3.7[v] xshdn24, xshdn3, xshdn5, xshdn6 oscillating frequency 1 f osc1 1.2 1.5 1.8 mhz r rt =10[k ] reduced-voltage detection voltage v uvlo1 1.75 1.95 2.15 v reduced-voltage return voltage v uvlo2 1.95 2.15 2.35 v ch1 soft-start period 85% t ss1 310 620 930 s soft-start period 100% 730[s](typ) xshdn24=l error amp reference voltage v eref1 0.388 0.400 0.412 v xshdn24=h pmos on -resistance r onp1 - 0.24 0.38 power supply 3.7[v] nmos on -resistance r onn1 - 0.14 0.23 power supply 3.7[v] maximum duty dmax1 76.5 85.0 93.5 % xshdn24=h ch2 error amp reference voltage v eref2 0.390 0.400 0.410 v soft-start period 85% t ss2 0.43 0.85 1.27 ms soft-start period 100% 1.0[ms](typ) pmos on -resistance r onp2 - 0.13 0.21 power supply 3.7[v] nmos on -resistance r onn2 - 0.08 0.14 power supply 3.7[v] downloaded from: http:///
BD9639MWV 6/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 electrical characteristics C continued (unless otherwise specified, v vbat =v vbat2,3,4,5,6 =3.7[v], vcc input terminal =3.7[v], ta=25[ c ]) parameter symbol limit unit conditions min ty p max ch3 error amp reference voltage v eref3 0.390 0.400 0.410 v soft-start period 85% t ss3 0.85 1.70 2.55 ms soft-start period 100% 2.0[ms](typ) pmos on -resistance down side r onpd3 - 0.24 0.39 power supply 3.7[v] nmos on -resistance down side r onnd3 - 0.25 0.40 power supply 3.7[v] pmos on -resistance up side r onpu3 - 0.26 0.42 power supply 3.7[v] nmos on -resistance up side r onnu3 - 0.16 0.27 power supply 3.7[v] maximum duty dmax3 65 80 95 % ch4 error amp reference voltage v eref4 0.3 90 0.400 0.410 v soft-start period 85% t ss4 1.28 2.55 3.83 ms soft-start period 100% 3.0[ms](typ) pmos on -resistance down side r onpd4 - 0.16 0.26 power supply 3.7[v] nmos on -resistance down side r onnd4 - 0.21 0.33 power supply 3.7[v] pmos on -resistance up side r onpu4 - 0.24 0.38 power supply 3.7[v] nmos on -resistance up side r onnu4 - 0.16 0.26 power supply 3.7[v] maximum duty dmax4 65 80 95 % ch5 error amp reference voltage v eref5 0.390 0.400 0.410 v soft-start period 85% t ss5 0.85 1.70 2.55 ms soft-start period 100% 2.0[ms](typ) pmos on -resistance r onp5 - 0.26 0.42 power supply 3.7[v] nmos on -resistance r onn5 - 0.17 0.28 power supply 3.7[v] ch6 error amp reference voltage 1 v eref6 0.380 0.400 0.420 v constant voltage control side error amp reference voltage 2 v eref6.1 0.380 0.400 0.420 v constant current control side soft-start period 85% t ss6 2.55 5.10 7.65 ms soft-start period 100% 6.0[ms](typ) load switching on-resistance r onp6 - 0.23 0.37 power supply 3.7[v] nmos on -resistance r onn6 - 0.47 0.73 power supply 3.7[v] maximum duty dmax6 83 90 97 % downloaded from: http:///
BD9639MWV 7/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 400 [k ] agnd 30 [k ] vbat vbat application information 1. function description (1) features summary ch function output voltage power output setting res. use ch1 boost converter 3.70[v] to 5.50[v] embedded external start-up ch, motor ch2 buck converter 1.05[v] to 1.80[v] embedded external core ch3 h-bridge converter 1.80[v] to 3.30[v] embedded external cmos ch4 h-bridge converter 3.25[v] embedded embedded digital ch5 buck converter 1.50[v] to 1.80[v] embedded external cmos, memory ch6 boost converter 2 led to 6 led embedded external led (2) control (a) stand-by function related terminals following table shows start-up condition of each block. xshdn1 xshdn24 xshdn3 xshdn5 xshdn6 ch1 pfm ch1 pwm internal supply ch2 ch4 ch3 ch5 ch6 l - - - - off off off off off off off h l on h l l l off on on on h l l on l h off on l h off on (note) - symbol mean without conditions. (b) other setting terminals (c) xshdn24 to xshdn6 terminal equivalent circuit (3) start- up circuit ch1 begins operating using pfm when xshdn1 goes h igh . afterw ards, when xshdn24 goes high an internal power supply turns on and ch1 starts operating us in g pwm. from the time xshdn24 goes high , ch 2 to ch6 enters standby mode for about 5 ms after which ch2 and ch4 begin a soft start. similarly, when xshdn24 to xshdn6 goes high synchrono usly, ch2 to ch6 starts soft-start after the normal wait time. xshdn1 terminal does not have a pull down. it is necessary to process the vbat input and the gnd input. downloaded from: http:///
BD9639MWV 8/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (4) ch1 (a) function selectable pwm/pfm boost dc/dc converter. output voltage is ranges from 3.7[v] to 5.5[v]. low voltage operation starts up from 2.5[v] and also provides supply voltage to vref circuit. (b) recommended external components (at the time of setting when v out1 =5.0v) parts name v alue maker part number r 11 620[k] +24[k] - - r 12 56[k] - - r 13 10[] - - c 11 22[f] (x 2) taiyo yuden jmk212bj226mg c 12 10[f] taiyo yuden jmk212bj106kg c 13 100[ p f] taiyo yuden umk1005ch101jv c 14 1[f] taiyo yuden jmk105bj105kv l 11 2.2[h] taiyo yuden nr4018t2r2n d 11 - rohm rb060m- 30 (c) start- up sequence (d) pwm/pfm select pwm/pfm (operation of xshdn=high and xshdn24) with light load (10ma or less). electricity is discharged xshdn 1 0 [ v ] h input voltage out1 0 [ v ] vbat [ v ] vbat 2 . 5 [ v ] to 5 . 5 [ v ] soft start period according to the load . 0 [ v ] 3 . 7 [ v ] to 5 . 5 [ v ] pfm operation xshdn 24 3 . 7 [ v ] to 5 . 5 [ v ] out1 load 5 ma or less ) pwm operation load 5 ma or less ) pfm operation 0 [ v ] h input voltage fb 1 vout1 vout1 pfm pwm c 13 r 11 r 12 0.4[v] pre driver start up circuit sw 1 pgnd1 vout1 c 11 vbat l 11 pwm /pfm vbat c 14 vbat max. duty d 11 r 13 c 12 out1 out1 out1 max downloaded from: http:///
BD9639MWV 9/ 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (5) internal supply voltage (a) function regulator input voltage is supplied by out1. output voltage is 2.5[v] is not available outside the chip a nd is used only to power up internal circuit. this internal supply is used during pwm mode when both xshdn1 a nd xshdn24 are high . (b) start- up sequence out1 reference voltage vcc internal power supply xshdn 24 0 [ v ] 2 . 5 [ v ] vcc 3 . 7 [ v ] to 5 . 5 [ v ] 0 [ v ] h input voltage internal power supply downloaded from: http:///
BD9639MWV 10 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (6) ch2 (a) function synchronous rectification buck dc/dc converter with built in power mo s output stage. output voltage ranges from 1.05[v] to 1.80[v]. (b) recommended external components parts name value maker part number 1.1[v] 1.2[v] r 21 refer to right table - - r 21 100[k ] 100[k ] r 22 refer to right table - - r 22 56[k ] + 1.1[k ] 20[k ] + 30[k ] c 21 22[f] taiyo yuden jmk212bj226mg c 22 10[f] taiyo yuden jmk212bj106kg c 23 33[pf] taiyo yuden umk105ch330jv l 21 2.0[h] toko a915ay-2r0m (c) start- up sequence set external out2 to out2 0 [ v ] 1 . 05 [ v ] to 1 . 80 [ v ] xshdn 24 0 [ v ] h input voltage xshdn 1 vbat 2 vbat 4 2 . 5 [ v ] 5 . 5 [ v ] soft start period 1 . 00 [ ms ] h input voltage 5 . 00 [ ms ] discharge fb 2 0.4[v] saw sw 2 vbat 2 pgnd2 vbat c 21 vout2 pre driver l 21 vout2 c 23 r 21 r 22 c 22 out2 out2 downloaded from: http:///
BD9639MWV 11 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (7) ch3 (a) function synchronous rectification cross converter with built-in power mos o utput stage. output voltage ranges from 1.80[v] to 2.80[v]. (b) recommended external components parts name value maker part number 1.80[v] 2.80[v] r 31 refer to right table - - r 31 100[k ] 100[k ] r 32 refer to right table - - r 32 27[k ] + 1.6[k ] 12[k ] + 4.7[k ] c 31 22[f] taiyo yuden jmk212bj226mg c 32 10[f] taiyo yuden jmk212bj106kg c 33 100[pf] taiyo yuden umk105ch101jv l 31 4.7[h] taiyo yuden nr3015t4r7m p 31 - rohm rw1a020zp (c) start- up sequence (d) dpg3 the dpg3 output terminal is a gating signal to an external pmos inserte d between vbat3 and dsw3. if the v vbat voltage becomes lower than 2.85[v], dpg3 becomes low and an extern al pmos turns on. the over- cu rrent can still electrify even if the voltage descend. out3 (note) when v out =1.8[v], if out3 ? usw3 are not used (these terminals are only for buck con dition), discharge function is not activated. set external pre driver buck - boost pwmcomp 0 . 4 [ v ] out3 dsw 3 usw 3 pgnd 3 vbat 3 vbat out3 c 31 l 31 saw max . duty dpg 3 fb 3 out3 r 31 r 32 c 33 c 32 p 31 00 ms xshdn 3 0 [ v ] h input voltage out3 0 [ v ] 1 . 80 [ v ] to 2 . 80 [ v ] vbat 3 2 . 5 [ v ] to 5 . 5 [ v ] xshdn 1 xshdn 24 soft start period 2 . [ ] h input voltage discharge downloaded from: http:///
BD9639MWV 12 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (8) ch4 (a) function synchronous rectification cross converter with built-in power mos output stage. the output voltage is fixed at 3.25v. (b) recommended external components parts name value maker part number c 41 22[f] taiyo yuden jmk212bj226mg c 42 10[f] taiyo yuden jmk212bj106kg l 41 3.3[h] taiyo yuden nr4018t3r3m p 41 - rohm rw1a20zp (c) start- up sequence (d) dpg4 the dpg4 output terminal is a gating signal to an external pmos inserted between vbat4 and dsw4. if the v vbat voltage becomes lower than 2.85[v], dpg4 becomes low and an extern al pmos turns on. the over-current can still electrify even if the voltage descend. usw4 pre driver buck - boost pwmcomp 0 . 4 [ v ] out4 dsw4 pgnd 4 vbat 4 vbat out4 c 41 l 41 fb 4 saw max . duty dpg 4 out4 c 42 p 41 out2 0 [ v ] 1 . 05 [ v ] to 1 . 80 [ v ] 70 [%] out4 0 [ v ] xshdn 24 0 [ v ] 3 . 25 [ v ] h input voltage xshdn 1 vbat 2 vbat 4 2 . 5 [ v ] to 5 . 5 [ v ] h input voltage 5 . 00 [ ms ] up side pmos control signal up side pmos on or switching soft start period 3 . 00 [ ms ] discharge discharge downloaded from: http:///
BD9639MWV 13 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (9) ch5 (a) function synchronous rectification buck dc/dc converter with integrated output sta ge power mos. output voltage ranges from 1.50[v] to 1.80[v]. (b) recommended external components parts name value maker part number 1.5[v] 1.8[v] r 51 refer to right table - - r 51 100[k ] 100[k ] r 52 refer to right table - - r 52 33[k ] + 3.3[k ] 27[k ] + 1.6[k ] c 51 10[f] taiyo yuden jmk212bj106kg c 52 1[f] taiyo yuden jmk105bj105kv c 53 100[pf] taiyo yuden umk105ch101jv l 51 6.8[h] taiyo yuden nr3015t6r8m (c) start- up sequence out5 set external 00 ms xshdn 5 0 [ v ] h input voltage out5 0 [ v ] 1 . 50 [ v ] to 1 . 80 [ v ] vbat 5 2 . 5 [ v ] to 5 . 5 [ v ] xshdn 1 xshdn 24 soft start period 2 . [ ] h input voltage discharge fb 5 0.4[v] saw sw 5 vbat 5 pgnd5 vbat c 51 vout5 pre driver l 51 vout5 c 53 r 51 r 52 c 52 out5 out5 downloaded from: http:///
BD9639MWV 14 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (10) ch6 (a) fu nction boost dc/dc converter with built-in load switch. this channel enables constant voltage operation and consta nt voltage operation for protection. the constant voltage is available with output of 2 to 6 leds (typ). the load switch turns off when xshdn6 goes low (ch6 shutdown) and the t imer latch. (b) recommended external components parts name value maker part number r 61 20[ ] - - c 61 4.7[f] taiyo yuden emk212bj475kg c 62 1[f] taiyo yuden jmk105bj105kv l 61 10[h] taiyo yuden nr3015t100m di 61 - rohm rb551v- 30 (c) start- up sequence (d) set voltage when fixed voltage is driven when a fixed voltage is driven by internal resistance, it is s et to 16v. it is possible to return in a set voltage by adding external resi stance between out6 and fb6. when a fixed voltage is driven, it becomes 20.1v if 82k is added . when a fixed voltage is driven, it becomes 2 2.0v if 120k is added. however, note the resisting pressure of the capacitance of c 61 when stepping up the voltage applying external resistance. xs hdn xshdn 6 0 [ v ] h input voltage out6 0 [ v ] vbat [ v ] 2 to 6 lights output voltage on _ delay xshdn 1 24 h input voltage vbat 6 2 . 5 [ v ] to 5 . 5 [ v ] soft soft start period 6 . 0 [ ms ] electricity is discharged according to the load . vbat 6 lso6 pgnd6 fb 61 r 61 l 61 pre driver 0.4[v] 0.4[v] fb 6 vout6 saw vbat max. duty sw 6 reserv e c 62 vout6 c 61 di 61 out6 out6 max downloaded from: http:///
BD9639MWV 15 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 (11) ground short protection function (a) ch2 to ch6 are monitoring error amp input voltage fed backed from ou tput and enable timer circuit with falling below the detection voltage of short protection circuit. timer latch circuit will latch power mos to off status of ch2 to ch6 if such condition remained for 1.0[ms]. (b) all channel except ch1 will be latched with any other channe ls to be over-current and/or shorted. (c) latch will be released either setting xshdn1=gnd, xshdn24=gnd or restarti ng the device. (d) short detection comparator will be disabled by soft start. (e) the timer latch circuit doesn't operate when an internal p ower supply is off. . (12) thermal shutdown function thermal shutdown function is built in to prevent ic from heat d istraction. thermal circuit will be disabled by pfm. fb 3 out3 0 . 2 [ v ] fb 6 0 . 4 [ v ] timer latch circuit out6 fb 2 out2 0 . 2 [ v ] fb 4 out4 0 . 2 [ v ] fb 5 out5 0 . 2 [ v ] latch with follow conditions ch 2 to ch 6 . ch 2 sw 2 = hiz ch 3 dsw 3 = hiz usw 3 = hiz ch 4 dsw 4 = hiz usw 4 = hiz ch 5 sw 5 = hiz ch 6 load switch off nmos = off downloaded from: http:///
BD9639MWV 16 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 power dissipation 5.0 0 4.83[w] 150 85 25 2.5 2.51[w] power dissipation pd[w] ambient temperature ta[ ] ambient temperature : ta [c] power dissipation : pd [w] downloaded from: http:///
BD9639MWV 17 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 i/o equivalent circuits terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 7 9 14 15 34 37 46 xshdn1 xshdn24 xshdn5 fb4 xshdn6 vcc xshdn3 1 2 16 17 18 19 51 52 55 56 sw1 sw1 out4 out4 usw4 usw4 usw3 out3 out1 out1 terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 5 10 28 35 44 45 53 54 test1 fb5 fb61 rt fb2 test2 fb3 fb1 12 22 23 26 32 40 41 48 49 sw5 dsw4 dsw4 dpg4 lso6 sw2 sw2 dsw3 dpg3 terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 29 31 fb6 sw6 6 13 24 25 33 42 43 47 vbat vbat5 vbat4 vbat4 vbat6 vbat2 vbat2 vbat3 terminal no. terminal name equivalent circuit terminal no. terminal name equivalent circuit 3 4 8 11 20 21 30 36 38 39 50 pgnd1 pgnd1 agnd1 pgnd5 pgnd4 pgnd4 pgnd6 agnd2 pgnd2 pgnd2 pgnd3 27 reserve agnd pgnd vbat agnd vbat pgnd agnd high resisting pressure pgnd vbat agnd vbat 2 vbat 3 vbat 4 vbat 5 vbat 6 agnd pgnd agnd downloaded from: http:///
BD9639MWV 18 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 operational notes 1. reverse connection of power supply connecting the power supply in reverse polarity can damage the ic. take precautions against reverse polarity when connecting the power supply, such as mounting an extern al diode between the power supply and the ic s power supply pin s. 2. power supply lines design the pcb layout pattern to provide low impedance sup ply lines. separate the ground and supply lines of the digital and analog blocks to prevent noise in the groun d and supply lines of the digital block from affecting the a nalog block. furthermore, connect a capacitor to ground at all pow er supply pins . consider the effect of temperature and aging on the capacitance value when using electrolytic capac itors. 3. ground voltage ensure that no pins are at a voltage below that of the ground pin a t any time, even during transient condition. 4. ground wiring pattern when using both small-signal and large-current ground trace s, the two ground traces should be routed separately but connected to a single ground at the reference point of the a pplication board to avoid fluctuations in the small-si gnal ground caused by large currents. also ensure that the ground traces of external components do not cause variations on the ground voltage. the ground lines must be as short and th ick as 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. in case of exceeding thi s absolute maximum rating, increase the board size and copper area to prevent exceeding the pd rating. (refer page 16) 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. inrush 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 a nd delays, especially if the ic has more than one power supply. therefore, give special consideration to power coup ling 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 capacitor directly to a low-impedance output pin may subject the ic to stress. always discharge capacitors compl etely after each process or step. the ics p ower supply should always be turned off completely before connecting or removing it from the test setup during the inspection process. to prevent damage from static discharge, ground the ic during assembly 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) and unintentional solder bridge deposited in between pins during assembly to name a few. 11. unused input pins input pins of an ic are often connected to the gate of a mos tran sistor. the gate has extremely high impedance and extremely low capacitance. if left unconnected, the electric field from the outside can easily charge it. the small ch arge 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 specifie d, unused input pins should be connected to the power supply or ground line. downloaded from: http:///
BD9639MWV 19 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 operational notes C continued 12. regarding the input pin of the ic this monolithic ic contains p+ isolation and p substrate la yers between adjacent elements in order to keep them isolated. p-n junctions are formed at the intersection of t he 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 physica l damage. therefore, conditions that cause these diodes to operate, such as applying a voltage lower than the gnd v oltage to an input pin (and thus to the p substrate) should be avoided. figure 1. example of monolithic ic structure 13. thermal shutdown circuit(tsd) this ic has a built-in thermal shutdown circuit that prevent s heat damage to the ic. normal operation should always be within the ics power dissipation rating. if however the ratin g is exceeded for a continued period, the junction temperature (tj) will rise which will activate the tsd circuit t hat will turn off all output pins. when the tj falls belo w the tsd threshold, the circuits are automatically restored to normal operation. note that the tsd circuit operates in a situation that exceeds the absolute maximum ratings and therefore, under no circumstances, should the tsd circuit be used in a set desi gn or for any purpose other than protecting the ic from heat damage. 14. board patterning ? vbat,vbat2,vbat3,vbat4,vbat5, vbat6 must be connected to the power supply on the board. ? vcc must be connected to out1 output on the board. ? all pgnd and agnd must be connected to gnd on the board. ? all power supply line and gnd terminals must be wired with wide/short pattern in order to achieve the lowest impedance possible. 15. peripheral circuitry ? use low esr ceramic capacitor for bypass capacitor and place them as close as possible between power supply and gnd terminal s. ? place external components such as l and c by ic using wide and s hort pcb trace patterns. ? draw output voltage from each end of capacitor. ? causing short circuit at ch1 output will overload the external diode and may breakdown the component. ? prepare physical countermeasures by adding poli-switches and fu ses to avoid excess current flow. 16. start- up ? keep light load condition when starting up the device. ? switch to pwm mode (xshdn24=l to h) after ch1 has started up in pfm mode (xshdn1=l t o h), and the out1 output voltage is stable. ch3 ? ch5 ? ch6 should starts after or simultaneously with pwm mode. 17. usage of this product this ic is designed to be used in dsc/dvd application. when using in other applications, please be sure to consult with our sales representative in advance. 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:///
BD9639MWV 20 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 ordering information b d 9 6 3 9 m w v - e 2 package name package mwv : uqfn05 6v 7070 packaging and forming specification e2: embossed tape and reel marking diagram uqfn056v7070 (top view) bd9639mw part number marking lot number 1pin mark downloaded from: http:///
BD9639MWV 21 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 physical dimension, tape and reel information package name uqfn056v7070 downloaded from: http:///
BD9639MWV 22 / 22 tsz02201-0313aa400630-1-2 ? 20 16 rohm co., ltd. all rights reserved. www.rohm.com tsz22111 ? 15 ? 001 09.feb.2016 rev.001 revision history date revision changes 09.feb.2016 001 new release downloaded from: http:///
notice-p ga -e rev.003 ? 201 5 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufactured for application in ordinary electronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). if you intend to use our products in devices requiring extremely h igh reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecraft, nuclear powe r controllers, fuel controllers, car equipment including car accessories, safety devices, 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 adv ance. unless otherwise agreed in writing by rohm in advance, rohm s hall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arisin g from the use of any rohm s products for specific applications. (note1) medical equipment classification of the specific appl ications 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, adequ ate 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 designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditions, as exemplified be low. accordingly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from th e use of any rohms products under any special or extraordinary environments or conditions. if yo u intend to use our products under any special or extraordinary environments or conditions (as exemplified belo w), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be n ecessary: [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 the rohm representative in advance. for details, please refer to rohm mounting specification downloaded from: http:///
notice-p ga -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 contained in this docum ent 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 pr oper 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 i f 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 c arton. 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 it s intellectual property rights or other rights against you or you r 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 part, 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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