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SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?1?of?10 block?diagram absolute?maximum?ratings ?(t amb =25 c) characteristics symbol rating unit maximum?supply?voltage v ccmax 18 v power?dissipation p d @1.7 w operating?temperature t opr -40~+85 c storage?temperature t stg -55~+150 c maximum?current?output i omax 1 a 5-ch?btl?driver?for?cd?player?with?5v?output?voltage hsop-28-375-0.8 description the?SA9259?is?a?5- channel?motor?driver?for?driving?focus?actuator, tracking? actuator,? sled? motor,? spindle? motor? and? loading? motor? in products?such?as?cd-player/video-cd?drivers. features *?wide?operating?supply?voltage?range:?6v~13.2v *?thermal?shutdown?circuit?on?chip *?built-in?5v?regulator?controller. *?level?shift?circuit?on?chip. *?built-in?mute?mode. *?built-in?loading?motor?speed?control?circuit. *?built-in?1?phase,?full-wave,?linear?dc?motor?driver. applications *?cd-player *?video-cd *?car-cd ordering?information device package SA9259 hsop-28-375-0.8
SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?2?of?10 note: ?@ 1.?when?mounted?on?76mm?x?114mm?x?1.57mm?pcb?(phenolic?resin?material). 2.?power?dissipation?reduces?13.6mw?/ c?for?using?above?tamb=25 c electrical?characteristics (unless?otherwise?noted,?t amb =25 c,?v cc =8v,?r l =8 w ,?f=1khz) (to?be?continued) characteristics symbol test?condition min. typ. max. unit operating?voltage v cc 6 8 14 v quiescent?current i ccq under?no-load 4.0 5.5 9.0 ma mute-on?current i mute pin?7=gnd -- 3.0 4.0 ma mute-on?voltage v mon -- -- -- 0.7 v mute-off?voltage v moff ? -- 2 -- -- v regulator?part output?voltage v reg i l =100ma 4.7 5.1 5.4 v load?regulation d v rl3 ?i l =0 ? 200ma -50 0 50 mv line?regulation d v cc v cc =6 ? 13v, il=100ma -20 0 80 mv driver?part?(except?for?loading?motor?driver) input?offset?voltage v io -- -15 -- 15 mv output?offset?voltage1 v oo1 -- -50 -- 50 mv maximum?source?current?1 i source1 ?r l =8 w? ?gnd 0.25 0.4 -- a maximum?sink?current?1 i sink1 ?r l =8 w? ?vcc 0.25 0.4 -- a maximum?output?voltage?1 v om1 v in =0v 3.8 4.5 -- v maximum?output?voltage?2 v om2 v in =5v -- -4.5 -3.7 v closed-loop?voltage?gain avf v in =0.1vrms 5 6.5 8 db ripple?rejection?ratio r r v in =0.1vrms,?f=120hz 40 60 -- db slew?rate s r 120hz,? v in =1vrms, square?wave 1 2 -- v/ m s loading?motor?driver?part?(unless?otherwise?specified,?vctl=opened) output?voltage?1 v o1 v pin9 =5v,?v pin14 =0v, r l =45 w , v ctl =3.5 ? 4.5v 2.5 3.3 3.8 v output?voltage?2 v o2 v pin9 =0v,?v pin14 =5v, r l =45 w , v ctl =3.5 ? 4.5v 2.5 3.3 3.8 v SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?3?of?10 (continued) pin?configuration 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 28 27 26 25 24 23 17 18 19 20 21 22 SA9259 vofc1 vofc2 vifc1 vifc2 reb reo mute gnd1 vild1 visp vosp1 gnd2 vosp2 vild2 gnd3 vitk2 votk1 vitk1 vref v cc2 v cc1 ld?ctl visl vosl2 vold2 vosl1 vold1 votk2 fin(gnd) fin(gnd) pin?description pin?no. pin?name pin?descriptions 1 vofc1 focus?output?1(-) 2 vofc2 focus?output?2?(+) 3 vifc1 focus?input?1 4 vifc2 focus?input?2?(adjustable) 5 reb regulator?base 6 reo regulator?output,?5v 7 mute mute 8 gnd1 ground?1 9 vild1 loading?input?1 10 visp spindle?input (to?be?continued) characteristics symbol test?condition min. typ. max. unit output? voltage? r egulation? 1 (ctl) v octl1 v ctl =1.5 ? 2.5v, v pin9 =5v v pin14 =0v,?r l =45 w 0.5 1.0 1.5 v output? voltage? r egulation? 2 (ctl) v octl2 v ctl =1.5 ? 2.5v, v pin9 =0v v pin14 =5v,?r l =45 w 0.5 1.0 1.5 v load?regulation?1 d v rl1 i l =100 ? 400ma, v pin9 =5v,?v pin14 =0v -- 300 700 mv load?regulation?2 d v rl2 i l =100 ? 400ma, v pin9 =0v,?v pin14 =5v -- 300 700 mv output?offset?voltage?2 v oo2 v pin9 =5v,?v pin14 =5v -50 -- 50 mv output?offset?voltage?3 v oo3 v pin9 =0v,?v pin14 =0v -50 -- 50 mv SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?4?of?10 (continued) pin?no. pin?name pin?descriptions 11 vosp1 spindle?output?(+) 12 vosp2 spindle?output?(-) 13 gnd2 ground?2 14 vild2 loading?input?2 15 vold1 loading?output?1(+) 16 vold2 loading?output?2?(-) 17 vosl1 sled?output?(-) 18 vosl2 sled?output?(+) 19 visl sled?input 20 ld?ctl loading?motor?speed?control 21 v cc1 supply?voltage?1 22 v cc2 supply?voltage?2 23 vref 2.5v?bias 24 vitk1 tracking?input?1?(adjustable) 25 vitk2 tracking?input?2 26 votk1 tracking?output?1?(+) 27 votk2 tracking?output?2?(-) 28 gnd3 ground?3 function?description 1.?mute ??this?ic?has?a?built?in?thermal?shutdown?circuit?that?mutes?the?output?current?when?the?chip?temperature?reaches 175 c?(typ.).?the?hysteresis?is?set?to?25 c?(typ.),?so?the?driver?circuits?start?up?again?when?the?chip?temperature falls?to?150 c?(typ.). ??the?mute?circuit?logic?is?active?low. ??the?circuit?is?muted?during?thermal?shutdown?and?during?the?mute-on?state?.in?each?case,?only?the?drivers?are muted.?the?output?pins?remain?at?the?internal?bias?voltage,?roughly?(vcc???vbe)?/?2. ??bias?pin?(pin23)?should?be?pulled?up?to?more?than?1.6v.?in?case?the?bias?pin?voltage?is?pulled?down?below?1.4v (typ),?the?output?current?is?muted. 2.?regulator this? is? a? typical? series? regulator? that? generates? a? reference? voltage? internally.? a? pnp? low? saturation? type transistor?must?be?connected. + - vref reg reo attached pnp v out oscillation?prevention ?? vref? bg? is? the? output? voltage? of? the? bandgap? standard? bias? circuit? and? is? also? the? standard? voltage? of? the regulator. SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?5?of?10 ?? periphery? circuit? is? composed? of? bipolar,? ksb722? and? one? 100 m f? capacitor.? the? capacitor? needs? good temperature?characteristics?to?remove?the?ripple. ??the?output?voltage?v out ?is?decided?by?the?following?formula: v out ?=?vref?bg?(r2?+?r3)?/?r3?=?2.5?x?2?=?5v r2?=?r3 3.?loading?motor?driver ??input?voltage?(5v?and?0v ? or ? 0v?and?5v ? to?pin?9?and?pin?14. ??after?input?the?voltage?to?pin?9?and?pin?14,?decide?the?output?of?comparator?according?to?the?voltage?state. ??as?the?above?figure,?the?voltage?warp d v,?[vref1?+?(i?x?r)]?-?[vref1?-(i?x?r)],?used?for?the?motor.??and?the direction?of?the?motor?is?decided?by?the?voltage?warp?+ d v?and?- d v. ??the?output?characteristics?are?as?follows: fwd(pin9) rev(pin14) votr+(pin15) votr-(pin16) function l l (vcc???vbe)?/?2 (vcc???vbe)?/?2 stop?mode l h l h reverse?mode h l h l forward?mode h h (vcc???vbe)?/?2 (vcc???vbe)?/?2 stop?mode 4.?loading?motor?speed?control r 20 v cc 50k 50k 4v v cc (8v) r 20 v cc 50k 50k 4v v cc (8v) ??if?the?torque?of?the?loading?motor?is?too?low?when?it?is?used?with?the?pin?#20?open,?then?it?should?be?used?as?the above?diagram. ??the?desired?torque?could?be?obtained?by?selecting?the?appropriate?resistor?r?as?shown?in?the?left?diagram. ??if?it?is?necessary,?the?zener?diode?can?be?used?as?in?the?right?diagram. ??the?maximum?torque?is?obtained?when?the?applied?voltage?at?pin?#20?is?about?6.8v?(at?v cc =8v). 5.?connect?a?by-pass?capacitor,?0.1 m f?between?the?supply?voltage?source. 22 104 21 v cc2 v cc1 SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?6?of?10 6.?radiation?fin?is?connecting?to?the?internal?gnd?of?the?package. connect?the?fin?to?the?external?gnd. electrical?characteristics?curves v cc ?vs?i cc 16 . 00 14 . 00 12 . 00 10 . 00 8. 00 6. 00 4. 00 2. 00 0. 00 v cc (v) 4 6 8 10 12 14 16 18 20 v cc ?vs?imute 10 . 00 8. 00 6. 00 4. 00 2. 00 0. 00 v cc (v) 4 6 8 10 12 14 16 18 20 ?pin23 =2.5 ? input =0 v cc ?vs?isou 1. 40 1. 20 1. 00 0. 80 0. 60 0. 40 0. 20 0. 00 v cc (v) 4 6 8 10 12 14 16 18 20 v cc ?vs?isink 1000 900 800 500 300 200 v cc (v) 4 6 8 10 12 14 16 18 20 ?pin23 =2.5 ?r l =8 ? 400 700 600 ?pin23 =2.5 ?r l =8 ? v cc ?vs?vreg 6. 00 5. 50 5. 00 4. 50 4. 00 3. 50 3. 00 v cc (v) 3 5 7 9 11 13 15 v cc ?vs?aom 1 13 .0 11 .0 9. 50 7. 00 5. 00 3. 00 v cc (v) 4 6 8 10 12 14 16 vin =0.7 v cc ?vs?avf 1 7. 50 7. 00 6. 50 6. 00 5. 50 5. 00 v cc (v) 4 6 8 10 12 14 16 ?pin23 =2.5 ?r l =8 ? ? vin =0.5v SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?7?of?10 test?circuit s a 9 2 5 9 SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?8?of?10 typical?application?circuit 15 16 17 18 19 20 21 22 28 27 26 25 24 23 14 13 12 11 10 9 8 7 1 2 3 4 5 6 ksb772 v cc 100 - f 5 v?out low:?on high : off v cc 104 mute SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?9?of?10 package?outline hsop-28-375-0.8 unit:?mm SA9259 hangzhou?silan?microelectronics?co.,ltd ?rev:1.3??????2007.01.26 http:?www.silan.com.cn???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????page?10?of?10 attachment revision?history data rev description page 2003.01.08 1.0? original 2005.12.22 1.1? modify?the???block?diagram??and??electrical?characteristics? 2006.12.05 1.2? modify?the??absolute?maximum?ratings? 2007.01.26 1.3? modify?the??electrical?characteristics? |
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