DS Z

FUJITSU MICROELECTRONICS ¼ DS4 27265 2Z ASSPnn (µnnn ) ynµnnü DC/DC ± IC MB39A132 MB39A132 np ynµnqœ Í (PWM) ü DC/DC ± IC fùéìíµnnï µnn N MOS ÍÙ²npÂï± MB39A132 ¼ˆh p DC/DC ±ÍµÉq AC ² ±ùí qnï g fq± nï ØŠƒùÎ͵nnïµnnnp} nœ}q¼ˆ ynµnü ² g 23 4Cell nâ ¼ˆefnÍj ¼ˆ AC ² ØŒ (ACOK Œ ) µnnï : ±.5 Ta 25 85 nâkù µnnï4. V/ 4.2 V/ 4.35 V/ ³²nÂù{ ±Çnï ¼ˆefÎqn : ± Ÿ nï : 3 mv : ± 1 mv (+INC1,+INC2 3 V VCC) nâkù µnnrs 2 mω 2.85A ³²nÂù{ µnn ³²nÂù ºÈi¼ˆÈi n: 1 khz 2 MHz (ICC 6 µa  ) u AC ² ØŒ ¼ˆ N MOS FET qü±ç ¼ˆƒ VCC µnžøœ ¼ˆù Âq±ÙØŒ ¼ˆh q AC ² n : QFN-32 n } nœ}q¼ˆµn Ž } Copyright 28 FUJITSU MICROELECTRONICS LIMITED All rights reserved 28.8

Œ ˆ ( ) CTL2 CB OUT1 LX VB OUT2 PGND CELLS 32 31 3 29 28 27 26 25 VCC 1 24 VIN -INC1 2 23 CTL1 +INC1 3 22 GND ACIN ACOK 4 5 QFN-32 21 2 VREF RT -INE3 6 19 CS ADJ1 7 18 ADJ3 COMP1 8 17 BATT 9 1 11 12 13 14 15 16 -INE1 OUTC1 OUTC2 +INC2 -INC2 ADJ2 COMP2 COMP3 (LCC-32P-M17) 2 DS4-27265-2Z

ŒØŒ² Œú Œ}ú I/O ØŒ² 1 VCC ÂnïÍn qnœ n 2 -INC1 I n (Current Amp1) ör± Œ 3 +INC1 I n (Current Amp1) ür± Œ 4 ACIN I AC ² nïµé (AC Comp.) q± Œ 5 ACOK O AC ² nïµé (AC Comp.) q±çœ ACIN H : ACOK Lo-Z, ACIN L : ACOK Hi-Z 6 -INE3 I (Error Amp3) qör± Œ 7 ADJ1 I (Error Amp1) qür± Œ 8 COMP1 O (Error Amp1) q±çœ 9 -INE1 I (Error Amp1) qör± Œ 1 OUTC1 O n (Current Amp1) q±çœ 11 OUTC2 O n (Current Amp2) q±çœ 12 +INC2 I n (Current Amp2) qür± Œ 13 -INC2 I n (Current Amp2) qör± Œ 14 ADJ2 I µnníµé n± Œ ADJ2 Œ GND 4.4 V : µnníµé±ç ADJ2 Œnï ADJ2 Œ 4.6 V VREF : µnníµé±ç 1.5 V 15 COMP2 O (Error Amp2) q±çœ 16 COMP3 O (Error Amp3) q±çœ 17 BATT I µnnïíµénnï± Œ 18 ADJ3 I 19 CS ±Ùnn²Œ µnnïíµé n± Œ ADJ3 Œ GND : µnnï 4. V/Cell ADJ3 Œ 1.1 V 2.2 V : µnnï 2 ADJ3 Œnï /Cell ADJ3 Œ 2.4 V 3.9 V : µnnï 4.35 V/Cell ADJ3 Œ 4.1 V VREF : µnnï 4.2 V/Cell 2 RT Èi nnâq²œ 21 VREF O Ânï±ÇŒ 22 GND Œ 23 CTL1 I níœ CTL1 Œg H n DC/DC ±µé² CTL1 Œg L n DC/DC ±µé² 24 VIN ACOK ØŒ Current Amp1 nnœ AC ² 25 CELLS I µnnï Ég 2 Cell 3Cell 4Cell qœ CELLS VREF : 4 CellCELLS OPEN : 3 Cell CELLS GND : 2 Cell 26 PGND Œ 27 OUT2 O ü FET ÍÙŒ 28 VB O FET ÍÙn nnœ 29 LX g FET ²Œ 3 OUT1 O g FET ÍÙŒ 31 CB Žhn nn²œ CB Œ LX Œi²n Current Amp1 nníœ 32 CTL2 I CTL2 Œg H n Current Amp1 ² g CTL2 Œg L n² DS4-27265-2Z 3

TO SYSTEM LOAD VIN A B VIN 24 -INE1 9 OUTC1 1 +INC1 3 -INC1 2 ADJ1 7 OUTC2 11 +INC2 <Current Amp2> 12 -INC2 25 13 3 mv ADJ2 14 -INE3 6 Buffer <Current Amp1> 3 mv 25 Buffer CTL2 32 Charge Current Control <Error Amp1> GM Amp <Error Amp2> GM Amp <PWM Comp> CT - 2.5 V - 1.5 V Off Time Control OSC 4 ACIN <AC Comp.> Adaptor Det. <Sync Cnt.> Drive Logic 5 ACOK VB Reg. Drv1 Drv2 VCC 1 VB 28 CB 31 OUT1 3 LX 29 OUT2 27 PGND 26 A B C 2.85 A Io RS 2 mω Battery C BATT 17 ADJ3 18 VCC.1 V <UV Comp.> <Error Amp3> 2.6 V VREF 4.2 V/Cell 2.4 V - 3.9 V: 4.35 V/Cell CELLS GND : 2Cell OPEN: 25 <SOFT> VREF REFIN Control VCC UVLO VREF UVLO VB UVLO GM Amp Slope Control CS 19 1 µa <Over Current Det.> +INC2 -INC2.2 V <VR1> <REF> <CTL> 5. V VREF ON/OFF CTL1 23 8 15 16 2 21 22 COMP1 COMP2 COMP3 RT VREF GND (32-pin) 4 DS4-27265-2Z

È nnï Èr }ú z È VVCC VCC Œ.3 27 V VVIN VIN Œ.3 27 V CB Œ± nï VCB CB Œ.3 32 V CTL1, CTL2 Œ± nï VCTL CTL1, CTL2 Œ.3 27 V ± nï VINC VADJ -INC1, +INC1 Œ.3 27 V -INC2, +INC2, BATT Œ.3 2 V ADJ1, ADJ2, ADJ3, CELLS Œ êƒ.3 VVREF.3 V VINE -INE1, -INE3 Œ.3 VVREF.3 V ACIN ± nï VACIN ACIN Œ.3 VVIN V ACOK Œ±Çnï VACOK ACOK Œ.3 27 V ±Çn IOUT OUT1, OUT2 Œ 6 6 ma Š PD Ta 25 Ta 85 44* 1, * 2, * 3 mw 19* 1, * 2, * 4 mw 176* 1, * 2, * 3 mw 76* 1, * 2, * 4 mw ~ TSTG 55 125 *1: ºp Ta 25 85 Âq Šõd " ºg " fq [ Š - jg ] *2: «1 cm qöjœ *3: IC «³qöjŒ IC qr *4: IC «³qöjŒ IC qr < oè > Ø ÇÈ q«( nïn} ) ùœ~éƒzäfèréá ÇÈ DS4-27265-2Z 5

z nnï Èr }ú z º VVCC VCC Œ 8 25 V VVIN VIN Œ 8 25 V CB Œ± nï VCB CB Œ 3 V Ânï±Çn IVREF 1 ma VB ±Çn IVB 1 ma ± nï VINC VADJ -INC1, +INC1 Œ VVCC V -INC2, +INC2, BATT Œ 19 V ADJ1 Œ VVREF 1.5 V ADJ2 Œ ( ¼ˆÂnïˆn ) < oè > z éƒz qz z ¼ù ngq Ø zˆn z Ç zqˆnzqùårm p¼ ±Èrˆnz³± üqˆnž{ Ä ±zˆnøo ¹úq µáš êƒ 4.6 VVREF V.2 V ADJ2 Œ ( µ ).4 4.4 V ADJ3 Œ ( ¼ˆÂnïˆn ) 4.1 VVREF V 2.4 3.9 V.9 V ADJ3 Œ ( µ ) 1.1 2.2 V CELLS Œ VVREF V VINE -INE1, -INE3 Œ VVREF V ACIN Œ± nï VACIN VVREF V ACOK Œ±Çnï VACOK 25 V ACOK Œ±Çn IACOK 1 ma CTL1, CTL2 Œ± nï ±Çn VCTL 25 V IOUT OUT1, OUT2 Œ 45 45 ma OUT1, OUT2 Œ Duty 5%(t 1/fosc Duty) 12 12 ma ºÈi fosc 1 5 2 khz Èi nâ RRT RT Œ 8.2 33 18 kω ±Ùn CCS CS Œ.22 µf CB Œn CCB.1 µf VB ±Çn CVB VB Œ 1. µf Ânï±Çn CREF VREF Œ.1 1. µf j Ta 3 25 85 6 DS4-27265-2Z

ng ÂnïµÉ [REF] µé [OSC] µ É [Error Amp1] µ É [Error Amp2] µ É [Error Amp3] (Ta 25 VCC Œ 19 V VB Œ ma VREF Œ ma) Èr }ú Œ z º êƒ Ânï VVREF1 21 4.963 5. 5.37 V VVREF2 21 Ta 1 85 4.95 5. 5.5 V ± z VREF 21 VCC Œ 8 V 25 V 1 1 mv «±z VREF 21 VREF Œ ma 1mA 1 1 mv u ±Çn Ios 21 VREF Œ 1 V 7 35 17 ma ºÈi fosc 3 RT Œ 33 kω 45 5 55 khz Èi Ùi df/fdt 3 Ta 3 85 1* ± nï VIO 7 COMP1 Œ 2 V 1* 5 mv ± IADJ1 7 ADJ1 Œ V 1 na p Gm 8 2* µa/v  nï VTH1 14 ADJ2 Œ VREF Œ 1.5* V p Gm 15 2* µa/v COMP3 Œ 2 V, VTH1 17 Ta 25 85 ADJ3 Œ CELLS Œ.5.5 VREF Œ COMP3 Œ 2 V, VTH2 17 Ta 25 85 ADJ3 Œ CELLS Œ.7.5 VREF Œ COMP3 Œ 2 V, VTH3 17 Ta 25 85 2.4 V ADJ3 Œ 3.9 V.5.5 CELLS Œ VREF Œ  nï COMP3 Œ 2 V, VTH4 17 Ta 25 85 2.4 V ADJ3 Œ 3.9 V.7.5 CELLS Œ VREF Œ COMP3 Œ 2 V, VTH5 17 Ta 25 85 ADJ3 Œ GND Œ,.5.5 CELLS Œ VREF Œ COMP3 Œ 2 V, VTH6 17 Ta 25 85 ADJ3 Œ GND Œ, CELLS Œ VREF Œ.7.5 2.4 V ADJ3 Œ 3.9 V IBATTH 17 CELLS Œ VREF Œ 34 6 µa ± n BATT Œ 16.8 V IBATTL 17 VCC Œ V, BATT Œ 16.8 V 1 µa p Gm 16 28* µa/v ( ±È ) DS4-27265-2Z 7

n µé [Current Amp1, Current Amp2] PWM ± µé [PWM Comp.] ±ÇµÉ [OUT] 굃 [CTL1,CTL2] (Ta 25 VCC Œ 19 V VB Œ ma VREF Œ ma) Èr }ú Œ z êƒ º ± n ± Ÿ nï I+INCH1 3 I+INCH2 12 I-INCH 2,13 I+INCL 3,12 I-INCL 2,13 FF1 1,11 +INC1 Œ 3 V VCC Œ, Vin 1 mv +INC2 Œ 3 V VCC Œ, Vin 1 mv -INC1 Œ -INC2 Œ 3 V VCC Œ, Vin 1 mv +INC1 Œ +INC2 Œ.1 V, Vin 1 mv -INC1 Œ -INC2 Œ.1 V, Vin 1 mv +INC1 Œ +INC2 Œ 3 V VCC Œ 2 3 µa 3 45 µa.1.2 µa 24 16 µa 27 18 ma 2 3 4 mv FF2 1,11 +INC1 Œ +INC2 Œ 1 3 5 mv V 3 V ± nï VCM 1,11 VCC V nïr Av 1,11 +INC1 Œ +INC2 Œ 3 V VCC Œ, 24.5 25. 25.5 V/V Vin 1 mv È BW 1,11 AV db 2* MHz UTCH 1,11 4.7 4.9 V ±Çnï UTCL 1,11 +INC1 Œ +INC2 Œ 5 75 1 mv 3 V VCC Œ ±Çn ISOURCE 1,11 OUTC1 Œ OUTC2 Œ 2 V 2 1 ma ±Çn ISINK 1,11 OUTC1 Œ OUTC2 Œ 2 V 25 5 µa OUTC1 Œ ±Çnï  nï ±Ç³n UTC1 1 VIN Œ V V VTL 3 ë{ % 1.4 1.5 V VTH 3 ë{ 1 % 2.5 2.6 V ROH 27,3 OUT1,OUT2 Œ 45 ma 4 7 Ω ROL 27,3 OUT1,OUT2 Œ 45 ma 1 3.5 Ω z N 23,32 IC g 2 25 V z FF 23,32 IC.8 V ± n ICTLH 23,32 CTL1, CTL2 Œ 5 V 25 4 µa ICTLL 23,32 CTL1, CTL2 Œ V 1 µa ( ±È ) 8 DS4-27265-2Z

VB µé [VB] üíµé [Synchronous Cnt.] ï n µé [UVLO] ²µÉ [Over Current Det.] ƒ± nï µé [UV Comp.] AC ² nï µé [AC Comp.] (Ta 25 VCC Œ 19 V VB Œ ma VREF Œ ma) Èr }ú Œ z êƒ º ±Çnï VB 28 4.9 5. 5.1 V «±zï Load 28 VB Œ ma 1 ma 1 5 mv CS  nï VTLH 19 2.55 2.6 2.65 V VTHL 19 2.5 2.55 2.6 V VH 19.5* V  nï VTLH 1 VCC Œ 7.5 7.9 V VTHL 1 VCC Œ 7. 7.4 V VH 1 VCC Œ.1 V  nï VTLH 28 VB Œ 3.8 4. 4.2 V VTHL 28 VB Œ 3.1 3.3 3.5 V VH 28 VB Œ.7 V  nï VTLH 21 VREF Œ 2.6 2.8 3. V VTHL 21 VREF Œ 2.4 2.6 2.8 V VH 21 VREF Œ.2 V ±Çnï VH 12 -INC2 Œ 12.6 V 12.75 12.8 12.85 V  nï VTLH 1 BATT Œ 12.6 V 12.6 12.8 13. V VTHL 1 BATT Œ 12.6 V 12.5 12.7 12.9 V VH 1 BATT Œ 12.6 V.1 V  nï VTLH 4 1.237 1.25 1.263 V VTHL 4 1.227 1.24 1.253 V VH 4 1 mv ± n I-INCL 4 2 na ACOK Œ±Ç n ACOK Œ±Ç L nnï ILEAK 5 ACOK Œ 25 V 1 µa VACOKL 5 ACOK Œ 1 ma.9 1.1 V ( ±È ) DS4-27265-2Z 9

( È ) µnnï 굃 [ REFIN Control] µnn 굃 [Charge Current Control] ±ÙµÉ [SOFT] IC ¹ƒ (Ta 25 VCC Œ 19 V VB Œ ma VREF Œ ma) Èr }ú Œ z êƒ º  nï *: Å g qõ ˆn VTHH 18 4.2 V/Cell 3.91 4. 4.9 V VTHM 18 4.35 V/Cell 2.21 2.3 2.39 V VTHL 18 4. V/Cell.91 1. 1.9 V ± n IIN 18 ADJ3 Œ 1 µa ± nï ± n VH 25 4Cell VVREF.4 VVREF V VM 25 3Cell 2.4 2.6 V VL 25 2Cell.3 V IINL 25 CELLS Œ V 8.3 5 µa IINH 25 CELLS Œ VREF Œ 5 8.3 µa  nï VTH 14 4.41 4.5 4.59 V ± n IIN 14 ADJ2 Œ 1 µa µnn ICS 19 14 1 6 µa n nn IVINL 24 IINS 24 ICCS 1 IIN 24 ICC 1 IINCC 1,24 VIN Œ 19 V, ACIN Œ V VCC, CTL1, CTL2 Œ V, ACIN Œ 5 V, VIN Œ 19 V VIN, CTL1, CTL2 Œ V, ACIN Œ V, VCC Œ 19 V VIN Œ 19 V, VCC Œ V, ACIN Œ 5 V, CTL1 Œ V, CTL2 Œ 5 V VIN Œ V, VCC Œ 19 V, ACIN Œ V, CTL1 Œ 5 V, CTL2 Œ V VIN Œ 19 V, VCC Œ 19 V, ACIN Œ 5 V, CTL1 Œ 5 V, CTL2 Œ 5 V 1 µa 6 1 µa 1 µa 3 45 µa 2.4 3.6 ma 2.7 4.1 ma 1 DS4-27265-2Z

ºg nn - nnï Ânï - nnï 5 6 Icc (ma) n n 4 3 2 1 Ta = + 25 C VCTL1 = 5 V VVREF (V) ï n  5 4 3 2 1 Ta = +25 C VCTL1 = 5 V IVREF = ma 5 1 15 2 25 5 1 15 2 25 nnï Vcc (V) nnï Vcc (V) Ânï - «±n CTL1 Œ± n, Ânï - CTL1 Œ± nï VVREF (V) ï n  6 5 4 3 2 1 Ta = + 25 C VVCC = 19 V VCTL1 = 5 V 5 1 15 2 25 3 35 ICTL1 (µa) n ± Œ CTL1 5 4 3 2 1 VVREF Ta = + 25 C VVCC = 19 V IVREF = ma ICTL1 1 5 1 15 2 25 8 6 4 2 VVREF (V) ï n  «±n IREF (ma) CTL1 Œ± nï VCTL1 (V)  nï - j  nï - j VTH (V) ï n  8.5 8.475 8.45 8.425 8.4 VVCC 8.375 = 19 V VCTL1 = 5 V 8.325 VCELLS = GND 8.35 8.3-4 -2 +2 +4 +6 +8 +1 VTH (V) ï n  12.7 12.675 12.65 12.625 12.6 12.575 12.55 12.525 VVCC = 19 V VCTL1 = 5 V VCELLS = OPEN 12.5-4 -2 +2 +4 +6 +8 +1 j Ta ( ) j Ta ( ) ( ±È ) DS4-27265-2Z 11

( È ) VTH (V) ï n   nï - j 16.9 16.875 16.85 16.825 16.8 16.775 VVCC = 19 V VCTL1 16.75 = 5 V VCELLS = 5 V 16.725 16.7-4 -2 +2 +4 +6 +8 +1 VVREF (V) ï n  Ânï - j 5.8 5.6 5.4 VVCC = 19 V VCTL1 = 5 V IVREF = ma 5.2 5. 4.98 4.96 4.94 4.92-4 -2 +2 +4 +6 +8 +1 j Ta ( ) j Ta ( ) Èi - j Èi - nâ fosc (khz) i È 55 54 53 52 51 5 49 48 47 46 45 VVCC = 19 V VCTL1 = 5 V RT = 33 kω fosc (khz) i È 1 1-4 -2 +2 +4 +6 +8 +1 1 1 1 1 1 1 Ta = + 25 C VVCC = 19 V VCTL1 = 5 V j Ta ( ) nâ RT (kω) fosc (khz) i È 55 54 53 52 51 5 49 48 47 46 45 Èi - nnï Ta = + 25 C VCTL = 5 V RT = 47 kω 5 1 15 2 25 PD (mw) Š 5 44 4 3 2 19 1 Š - j -4-2 +2 +4 +6 +8 +1 nnï VCC (V) j Ta ( ) 12 DS4-27265-2Z

ØŒ² MB39A132 npnµnqü DC/DC ± IC fíµínqnïn nœ Í (PWM) g ynµn N MOS ÍÙgozv AC ² öný n fºµníøœ AC ² nïøœ µnnïínï³²± ÍADJ3ŒCELLSŒqnïù{ µnnï³² Error Amp3± BATT Œnï¼µÂnï±Ç PWM Í ú±çîµnnï µnnínµnnnârse qnï³²ncurrent Amp2 25 ±ÇÍ OUTC2 ŒnCurrent Amp2q±Çnï ADJ2 Œq nï³² Error Amp2 ±ý± Ç PWM Í ú²ÿnµn AC ² n Í AC ² q±çnïâ³q +INC1 Œ -INC1 Œqï³²n Current Amp1 25 ýqnï ±ÇÍ OUTC1 ŒnCurrent Amp1q±Çnï ADJ1 Œqnï³² Error Amp1±ý± Ç PWM Í úµnn²ÿíx AC ² n qz mq nï ±ÇnïError Amp1Error Amp2Error Amp3fƒqnƒ± qnïƒp q±çnïqâ¼g FET ³ AC Comp. AC ² ²² ³² ACOK Œ±Ç DS4-27265-2Z 13

1. DC/DC ± (1) ÂnïµÉ (REF) Ânïn Ìn VCC Œ ( Œ 1) qnïmÿ qznï5. V  g IC ¼µn qân ˆn n ùvânï VREF Œ ( Œ 21) β 1 ma q«±n (2) µé (OSC) µé¼ˆnpèi qn³² RT Œ ( Œ 2) ²Èi nâm ± Í IC ¼µq PWM ± Èi fosc fosc(khz) 17/RT (kω) (3) µé (Error Amp1) Error Amp1nCurrent Amp1q±Ç ú±ç PWM Í ú COMP1 Œ ( Œ 8) ²nÂnùg zqrƒÿ (4) µé (Error Amp2) Error Amp2nCurrent Amp2q ± Ç úµnníµéq±ç±±ç PWM Í úxíµnn COMP2 Œ ( Œ 15) ²nÂnùg zqrƒÿ (5) µé (Error Amp3) Error Amp3 DC/DC ±q±çnïnµnnï REFIN Control µéq±ç±± Ç PWM Í ú ADJ3 Œ ( Œ 18) µnnï nâù{ 2 4 gnqµnnï COMP3 Œ ( Œ 16) ²nÂnùg zqrƒÿ (6) nµé (Current Amp1) ncurrent Amp1 +INC1 Œ ( Œ 3) -INC1 Œ ( Œ 2) qï 25 ý ú±çí OUTC1 Œ ( Œ 1) (7) nµé (Current Amp2) n (Current Amp2) n +INC2 Œ ( Œ 12) -INC2 Œ ( Œ 13) µnnnâ (RS) e qï 25 q ú±çí (Error Amp2) qör± Œ OUTC2 Œ ( Œ 11) (8) PWM ±µé (PWM Comp.) (Error Amp1 Error Amp3) q±çnïí±çë{qnï - Œ± mq nï 3 f ±Çnïfƒqnïž± nïƒp ±Çn ïâg FET ³ (9) ±ÇµÉ (OUT) ±ÇµÉg ü µx CMOS ùíù N-ch MOS FET 14 DS4-27265-2Z

(1) níµé (CTL1) níµéí DC/DC ±²ŸCTL1 Œ ( Œ 23) g L n² ggu AC ² q ØŒ² ( qnn 6 µa º ) CTL1 ØŒŸ CTL1 DC/DC ±ÍµÉ AC ² L OFF( ) ON( g ) H ON( g ) ON( g ) (11) Current Amp1 굃 (CTL2) Current Amp1 ͵ÉÍ Current Amp1 CTL2 Œ ( Œ 32) g H ncurrent Amp1 ² gµn ý CTL1 Œ ( Œ 23) ˆg L nd CTL2 Œ ( Œ 32) ˆg H nù ˆgù Current Amp1 AC ² ØŒp qg CTL2 ØŒŸ CTL2 Current Amp1 AC ² L OFF( ) ON( g ) H ON( g ) ON( g ) (12) VB µé (VB) VB µé±ç 5 V( º )np±çn qnžhn nï (13) OFF Â굃 (Off-time Control) IC Îë{ Žhn CB e qnï ƒíöm OFF  (.3 µs º ) xˆ CB µn DS4-27265-2Z 15

2. ØŒ (1) ï n µé (VREF-UVLO) ¼µÂnï (VREF) qtâïâùœ~öí IC Ù v ˆ ömøägoâ² Ù qöm ï n ¼µÂnïqï OUT1 Œ ( Œ 3) OUT2 Œ ( Œ 27) L n¼µânï Îpï n qâ nïuvlo à n (VREF-UVLO) qøœÿ UVLO (VREF nïƒp UVLO  nï ) Œq³± OUT1 OUT2 CS VB L L L L (2) ï n µé (VCC-UVLO, VB-UVLO) ±Çn nï (VB) ÙqtnnïqtÂïÂùŒ~öÍ IC Ù v ˆ ömøägo ² Ù qömï n ïqïâ OUT1 Œ ( Œ 3) OUT2 Œ ( Œ 27) L n nnïö¼µânïîpï n qâ nïuvlo à n (VCC-UVLO,VB-UVLO) qøœÿ UVLO (VCC VB nïƒpüžq UVLO  nï ) Œq³± OUT1 OUT2 CS L L L (3) ƒ± nï±µé (UV Comp.) ± VCC Œ ( Œ 1) nï BATT Œ ( Œ 17) nïvcc Œnïƒp BATT Œnï.1 V( º ) OUT1 Œ ( Œ 3) OUT2 Œ ( Œ 27) L n ± nïîpƒ± nï±qâ nïê n (UV Comp.) qøœÿ ƒ± nï ( ± nïƒp UV Comp.  nï ) Œq³± OUT1 OUT2 CS L L L (4) ²µÉ (Over Current Det.) ²µÉ +INC2 Œ ( Œ 12) -INC2 Œ ( Œ 13) iâ.2 V( º ) öxqnƒ«±{ }² qnýµný µéì²² CS Œ ( Œ 19) g L në{ g iý² Ãd ±ÙÙ µn² : Ioc det(a).2(v) RS(Ω) RS qµnn² ( h ) RS ADJ2 Io OCDet 2 mω.5 V 4.4 V.85 A 8.65 A 1 A 15 mω.5 V 4.4 V 1.13 A 11.5 A 13 A (5) ² ² IC ³uqn ²Í 15 n OUT1 Œ ( Œ 3) OUT2 Œ ( Œ 27) g L nžnï±ç ù ÂÍ 125 xnï±ç DC/DC n n ² Ù Ùxö Ç IC q È 16 DS4-27265-2Z

3. ØŒ AC ² nïµé (AC Comp.) AC ² nïµé (AC Comp.) ACIN Œ ( Œ 4) nïƒp 1.24 V( º ) AC ² nïµéq ACOK Œ ( Œ 5) g Hi-Zn v VCC Œ ( Œ 1) VIN Œ ( Œ 24) fnïîq ØŒq CTL1 Œ ( Œ 23) CTL2 Œ ( Œ 32) q± n ACIN H L ACOK L Hi-Z AC ² R1 Í R2 ACIN 4 5 <AC Comp.> ACOK AC ² nï VIN Low to High Vth (R1 R2) / R2 1.25 V VIN High to Low Vth (R1 R2) / R2 1.24 V DS4-27265-2Z 17

µnnïq n± ADJ3 Œ ( Œ 18) qnï± CELLS Œ ( Œ 25) qnïù µnnïdc/dc ±±Çnï ADJ3 Œù nqµnnïvref n GND nqnï± ADJ3 Œùˆno q¼µî Ânï± VREF nqnïgnd nqnï{cells Œ ù nqgš ADJ3 ŒCELLS Œµnnï (DC/DC ±±Çnï ) iâºxº ADJ3 Œq± nï CELLS Œ µnnï VREF Œ (ADJ3 Œ 4.1V) 2.4 V ADJ3 Œ 3.9 V GND Œ ( V ADJ3 Œ.9 V) vµnï (1.1 V ADJ3 Œ 2.2 V) GND 8.4 V 2Cell 4.2 V/Cell OPEN 12.6 V 3Cell 4.2 V/Cell VREF 16.8 V 4Cell 4.2 V/Cell GND 8.7 V 2Cell 4.35 V/Cell OPEN 13.5 V 3Cell 4.35 V/Cell VREF 17.4 V 4Cell 4.35 V/Cell GND 8. V 2Cell 4. V/Cell OPEN 12. V 3Cell 4. V/Cell VREF 16. V 4Cell 4. V/Cell GND 4 ADJ3 Œnï 2Cell 2 ADJ3 Œnï /Cell OPEN 6 ADJ3 Œnï 3Cell 2 ADJ3 Œnï /Cell VREF 8 ADJ3 Œnï 4Cell 2 ADJ3 Œnï /Cell ADJ3 Œ¼µn VA ADJ3 VA 18 Ž Error Amp3 ± _A 4. V ± _B 2.3 V ± _C ³± n 2.175 V 2.1 V 2. V ² 1. V 18 DS4-27265-2Z

µnnq (Error Amp2) ADJ2 Œ ( Œ 14) nï qµnníµéqnïµnn (Current Amp2) q±ç²ÿ±±ç PWM Í ú nqµnnâ ADJ2 Œnï n Ç q ýêx ²Ÿnµndµnnï nqµnn nnï : ADJ2 µnnâ Io µnníµéq±çnï.75 nr 25 V/V º nâ RS(Ω) ADJ2 Œ± nï µnníµé ±Çnï RS 2 mω µnn RS 15 mω VREF Œ (ADJ2 Œ 4.6 V) vµ nï (ADJ2 Œ GND Œ 4.4 V) 1.5 V 2.85 A 3.8 A VADJ2(V) 2 (ADJ2 Œ.75)(A) 2.66 (ADJ2 Œ.75) (A) ADJ2 Œ¼µn ADJ2 14 Ž Error Amp2 1.5 V ² + ± _D 4.5 V DS4-27265-2Z 19

µnn x (RS 2 mω) Io 4.4 V 8.65 A 2.85 A V 4.41 V ADJ2 ADJ2 V 4.4 V gµ 4.59 V VREF ADJ2 4.6 V VREF g¼µânï Io (ma) 12 1 8 6 RS 2 mω, +INC2 3 V VCC qü 4 2 Error < ±5 ma 1 2 3 4 5 6 VADJ2 1 mv Io ma º VADJ2 75 mv Io ma VADJ2 5 mv Io ma VADJ2 V Io ma VADJ2 (mv) 2 DS4-27265-2Z

ºpÙ͵n x²ÿ²ac ² nï (VIN) Í ~Çq Vth ² Ù͵n (Dynamically-controlled charging) ͵nnx AC ² qn z Ù͵n AC ² nï : Vth [(1 1 R4 R1 R2 )VREF 3 mv] Av R3 R4 R2 VREF Ânï (5. V º )AV nµé nïr (25. º ) -INE1 9 VIN VREF(5 V) OUTC1 1 R1 +INC1 -INC1 3 2 <Current Amp1> <Error Amp1> R2 R3 ADJ1 7 R4 DS4-27265-2Z 21

±Ù goâ IC ÙqÀÇn³² CS Œ ( Œ 19) ²±Ùnn (Cs) qù ±Ù CTL1 Œ ( Œ 23) CTL2 Œ ( Œ 32) g H nic Ù (Vcc UVLO qâ nï ) CS Œq± Ùnn (Cs) x 1 µa µn ±Çë{n PWM ± COMP1 Œ ( Œ 8)COMP2 Œ ( Œ 15)COMP3 Œ ( Œ 16) nï ±Çnï (CT) ²Ÿ±ýÀ±Ù COMP1 ŒCOMP2 ŒCOMP3 Œnﲟ¾ƒxˆº ² CS Œnï±Çë{ CS Œnïqé Øù DC/DC ±±ÇnïqÙ ë{ COMP1 ŒCOMP2 Œ COMP3 Œq nïqríù Error Amp q±çnï²í DC/DC ± qj Ínï ±ÙÂùx~ ±Ù ( ±Çë{²Í 8%  ): ts(s).23 Cs (µf) CT COMP1 ~ COMP3 CS CS CT COMP1 ~ COMP3 V OUT1 OUT1 V Vo Vo V Io Io A 22 DS4-27265-2Z

«±{ qt nïíj níj efh qj «±{ ²efÍj rpr nnïönéíj q²öm²à ²Â ÀpƒrŸ nqüníéínïíîp µnnïäë{qíâömnï²à g nÿ ²Îqnïn³ nqünïíéíníîp µnnäë{qíâömn²à1 ms x ¼qn²À³Ÿ gáè Error Amp3 ±Ç Error Amp2 ±Ç Error Amp2 ±Ç Error Amp3 ±Ç n nï n µnnï µnn µnívníéí nïíîp±ç nïäë{qíâö mnï²à 1 ms x¼qn²à³ Ÿ gáè 1 ms DS4-27265-2Z 23

ˆn Current Amp1,Current Amp2 xö Error Amp1,Error Amp2 qk ˆn Current Amp1, Current Amp2 xö Error Amp1, Error Amp2 qü +INC1 Œ ( Œ 3)-INC1 Œ ( Œ 2) ²Í VREF( Œ 21); +INC2 Œ ( Œ 12) ²Í -INC2 Œ ( Œ 13); OUTC1 Œ ( Œ 1)OUTC2 Œ (Œ11)COMP1Œ(Œ8)COMP2Œ(Œ15){ADJ1Œ(Œ7)ADJ2Œ(Œ14)²ÍVREF 3 +INC1 +INC2 12 n 2 -INC1 -INC2 13 { { 1 11 OUTC1 OUTC2 21 VREF 7 ADJ1 14 ADJ2 { { 8 15 COMP1 COMP2 24 DS4-27265-2Z

±Ç Œ}n <> <> VCC 1 1.22 V ESD 37 kω 21 VREF CTL1 23 CTL2 32 172 kω 14 kω 12 kω 216 kω 172 kω GND 22 GND 22 GND 22 <> VIN 24 <(Error Amp1)> VREF 21 VREF 21 COMP1 2 RT -INE1 9 8 GND 22 GND 22 <(Error Amp2)> ADJ1 <(Error Amp3)> 7 VREF 21 VREF 21 +INE2 COMP2 15 -INE3 6 COMP3 16 GND 22 GND 22 +INE3 <(Current Amp1)> <(Current Amp2)> VIN 24 VCC 1 VREF 21 +INC1 3 4 kω OUTC1 +INC2 12 1 9 kω 16 kω OUTC2 11 GND 22 GND 22 4 kω 2 -INC1 13 -INC2 ( ±È ) DS4-27265-2Z 25

( È ) <PWM> <> VREF 21 VREF 21 COMP1 8 COMP2 15 COMP3 16 19 CS GND 22 GND 22 <AC> <> CB 31 VCC 1 VIN 24 3 OUT1 ACIN 4 5 ACOK LX 29 VB 28 GND 22 27 OUT2 <> GND 22 26 PGND <> VCC 1 VREF 21 SELECTER 28 VB ADJ3 18 +INE3 2.5 V 2 kω 4 V 2 kω 2.3 V 1 V GND 22 GND 22 <> <Cell> VREF 21 SELECTER BATT VREF 17 21 ADJ2 14 +INE2 4.5 V CELL 25 6 -INE3 GND 22 GND GND 22 26 DS4-27265-2Z

nn x VIN GND CTL2 R11 1 kω VSYS VSYS2 ACOK R33 47 kω Q7 *2 R2 2 mω Q1 µpa2755 L1 CDRH14RNP-1NC R39 Ω SGND R3 R31 *1 *1 C17 *2 C16 *2 C2 R4 *1 R3 1 Ω *2 C3 1 µf TPCA812 Q3 TPCA812 Q4 R15 2 kω C18.22 µf R16 1 kω D1 *2 D4 *2 R9 6.8 kω C6.1 µf R17 15 kω R1 91 kω R18 13 kω R19 3 kω R13 2 kω R27 *2 R14 3 kω R28 Ω R38 *2 R32 *2 SW1-1 OUTC1 OUTC2 R1 2 mω C1 1 µf C15 *2 R29 *1 C7 1µF Q8 DTA144EET1G C9.1 µf C1.1 µf C8.1 µf R2 Ω R5 33 kω R21 *2 C11.1 µf M1 MB39A132 R8 4.7 kω C14 22 pf C21 82 pf R42 22 kω C22 *2 R4 2.4 kω C19 *2 Q5 TPCA812 R34 1 kω Q6 DTC144EET1G C4 1 µf C5 *2 R35 *2 R22 51 kω R23 Ω R37 *2 SW1-2 R24 Ω R25 *2 D3 *2 D2 BAT54HT1 32 31 3 29 28 27 26 25 1 R36 *2 GND ACOFF R43 *2 CELLS CTL1 C2 12 pf R41 1 kω R26 *2 R6 *2 R7 1 kω C12 *2 C13.1 µf 2 3 4 5 6 7 8 VREF ADJ3 ADJ2 CELLS PGND OUT2 VB LX OUT1 CB CTL2 VIN CTL1 GND 24 23 22 VREF 9 1 11 12 13 14 15 16 COMP3 COMP2 ADJ2 -INC2 +INC2 OUTC2 OUTC1 -INE1 VCC -INC1 +INC1 ACIN ACOK -INE3 ADJ1 COMP1 21 RT CS ADJ3 BATT 2 19 18 17 *1 : Pattern Short *2 : Not mounted DS4-27265-2Z 27

µz Ÿ }ú Èr z ú M1 IC FML QFN-32 MB39A132 Q1 Dual N-ch FET VDS 3 V, ID 8 A(Max) NEC SOP-8 µpa2755 Q3 P-ch FET VDS 3 V, ID 4 A(Max) TOSHIBA Q4 P-ch FET VDS 3 V, ID 4 A(Max) TOSHIBA Q5 P-ch FET VDS 3 V, ID 4 A(Max) TOSHIBA SOP Advance SOP Advance SOP Advance TPCA812 TPCA812 TPCA812 Q6 Transistor VCEO 5 V ON Semi SC-75 DTC144EET1G Q7 Transistor Not mounted Q8 Transistor VCEO 5 V ON Semi SC-75 DTA144EET1G D1 Diode Not mounted D2 Diode VF.4 V(Max) at IF 1 ma ON Semi SOD-323 BAT54HT1 D3 Diode Not mounted D4 Diode Not mounted L1 Inductor 1 µh 35 mω Max Irms 4.4 A SUMIDA SMD CDRH14RNP-1NC C1 Ceramic Capacitor 1 µf(25 V) TDK 3216 C3216JB1E16K C2 Ceramic Capacitor Not mounted C3 Ceramic Capacitor 1 µf(25 V) TDK 3216 C3216JB1E16K C4 Ceramic Capacitor 1 µf(25 V) TDK 3216 C3216JB1E16K C5 Ceramic Capacitor Not mounted C6 Ceramic Capacitor.1 µf(5 V) TDK 168 C168JB1H14K C7 Ceramic Capacitor 1 µf(16 V) TDK 168 C168JB1C15K C9 Ceramic Capacitor.1 µf(5 V) TDK 168 C168JB1H14K C1 Ceramic Capacitor.1 µf(5 V) TDK 168 C168JB1H14K C11 Ceramic Capacitor.1 µf(5 V) TDK 168 C168JB1H14K C12 Ceramic Capacitor Not mounted C13 Ceramic Capacitor.1 µf(5 V) TDK 168 C168JB1H12K C14 Ceramic Capacitor 22 pf(5 V) TDK 168 C168CH1H222J C15 Ceramic Capacitor Not mounted C16 Ceramic Capacitor Not mounted C17 Ceramic Capacitor Not mounted C18 Ceramic Capacitor.22 µf(25 V) TDK 168 C168JB1E224K C19 Ceramic Capacitor Not mounted C2 Ceramic Capacitor 12 pf(5 V) TDK 168 C168CH1H121J C21 Ceramic Capacitor 82 pf(5 V) TDK 168 C168CH1H821J C22 Ceramic Capacitor Not mounted R1 Resistor 2 mω KOA SL1 SL1TTE2LD R2 Resistor 2 mω KOA SL1 SL1TTE2LD R3 Resistor 1 Ω SSM 168 RR816Q-1-D Pattern cut R4 Resistor 168 Pattern short R5 Resistor 33 kω SSM 168 RR816P333D R6 Resistor Not mounted ( ±È ) 28 DS4-27265-2Z

( È ) }ú Èr z ú R7 Resistor 1 kω SSM 168 RR816P13D R8 Resistor 4.7 kω SSM 168 RR816P472D R9 Resistor 6.8 kω SSM 168 RR816P682D R1 Resistor 91 kω SSM 168 RR816P913D R11 Resistor 1 kω SSM 168 RR816P13D R13 Resistor 2 kω SSM 168 RR816P23D R14 Resistor 3 kω SSM 168 RR816P33D R15 Resistor 2 kω SSM 168 RR816P24D R16 Resistor 1 kω SSM 168 RR816P14D R17 Resistor 15 kω SSM 168 RR816P153D R18 Resistor 13 kω SSM 168 RR816P134D R19 Resistor 3 kω SSM 168 RR816P33D R2 Resistor Ω KOA 168 RK73Z1J R21 Resistor Not mounted R22 Resistor 51 kω SSM 168 RR816P513D R23 Resistor Ω KOA 168 RK73Z1J R24 Resistor Ω KOA 168 RK73Z1J R25 Resistor Not mounted R26 Resistor Not mounted R27 Resistor Not mounted R28 Resistor Ω KOA 168 RK73Z1J R29 Resistor 168 Pattern short R3 Resistor 168 Pattern short R31 Resistor 168 Pattern short R32 Resistor Not mounted R33 Resistor 47 kω SSM 168 RR816P473D R34 Resistor 1 kω SSM 168 RR816P13D R35 Resistor Not mounted R36 Resistor Not mounted R37 Resistor Not mounted R38 Resistor Not mounted R39 Resistor Ω KOA 168 RK73Z1J R4 Resistor 2.4 kω SSM 168 RR816P242D R41 Resistor 1 kω SSM 168 RR816P12D R42 Resistor 22 kω SSM 168 RR816P223D R43 Resistor Not mounted FML NEC TOSHIBA ON Semi SUMIDA TDK KOA SSM : ³n~x : n~x : ~xd :ON Semiconductor ~x : Œˆ²Ä~x : TDK ~x : KOA ~x : ²d~x DS4-27265-2Z 29

n¼ nq² ²n qžõ Âgnq n gµnnq 5% x üqn ù ~ L VIN LOR IOMAX VIN fosc L :n [H] IOMAX : µnn [A] LOR : nq n - µnn (.5) VIN : nnï [V] fosc : µnnï [V] : ºÈi [Hz] nn²qµnn ( gnn ) ù ~ IOC VIN 2 L VIN fosc IOC L VIN fosc : gnn [A] :n [H] : nnï [V] : µnnï [V] : ºÈi [Hz] goì²nqnÿè xä ²nqn ù ~nqn ILMAX IoMAX IL 2 ILMAX : nqn [A] IOMAX : µnn [A] IL : nq n [A] IL VIN L VIN fosc nn ILMAX IoMAX µnn Ù IOC IL  3 DS4-27265-2Z

º FET q² np} nœµnqü± nïí AC ² ±Çnï 25 V x º FET ùˆn 3 V q MOS FET go첺 FET qnÿè x䲺 FET qn º FET qn ù ~ IDMAX IoMAX IL 2 IDMAX : º FET n [A] IOMAX : µnn [A] IL : nq n [A] goìº FET q ŠÿÈ xäº FET qšg FET qšù ~ PHisideFET PRON_Hiside PSW_Hiside PHisideFET : g FET Š [W] PRON_Hiside: g FET ³Š [W] PSW_Hiside : g FET ºŠ [W] g FET ³Š PRON_Hiside IOMAX 2 VIN RON_Hiside PRON_Hiside: g FET ³Š [W] IOMAX VIN : µnn [A] : nnï [V] : µnnï [V] RON_Hiside : g FET ON nâ [Ω] g FET ºŠ PSW_Hiside VIN fosc (Ibtm Tr Itop Tf) 2 PSW_Hiside: ºŠ [W] VIN fosc Ibtm : nnï [V] : ºÈi (Hz) : nq n [A] Ibtm IOMAX IL 2 DS4-27265-2Z 31

Itop: nq nqè [A] Itop IOMAX IL 2 IL Tr Tf : nq n [A] : g FET q³â [s] : g FET qâ [s] Tr Tf ùˆn ~~ê Tr Qgd 4 Qgd 1 5 Vgs(on) Tf Vgs(on) Qgd : g FET - Ân [C] Vgs(on): g FET q Qgd q - Âqnï [V] ü FET qšù ~ PLosideFET PRON_Loside IOMAX 2 (1 VIN ) Ron_Loside PLosideFET : ü FET Š [W] PRON_Loside: ü FET ³Š [W] IOMAX VIN Ron_Loside : µnn [A] : nnï [V] : µnnï [V] : ü FET ON nâ [Ω] ºg±ü FET q - Âqnï± º Š xùxn xrn ÍÙº FET qn n IC ¼µq LDO º FET q n (QgTotalMax) ù ~ QgTotalMax.3 fosc QgTotalMax : º FET n [C] fosc : ºÈi [Hz] 32 DS4-27265-2Z

p~q² Ä p~ ±iqü²øq ùî±i ²ýnïq gûp~ (SBD) DC/DC ±Í IC nqün² p~qâuâpüâxä²n Ç ýn (IFSM) Èq p~ p~q ýnèù ~ IFSM IOMAX IL 2 IFSM : p~q ýnè [A] IOMAX : µnn [A] IL : nq n [A] p~qèù ~ VR _ Fly > VIN VR_Fly : p~qröýnï [V] VIN : nnï [V] DS4-27265-2Z 33

±Çnq² ESR ±Ç nïkî ˆ±Ç nïâƒäˆnƒ ESR qnùp nömq näˆn qnˆnãmn g±çn nïqän ù ~ Co 1 2π fosc ( / IL ESR) Co : ±Çn [F] ESR : ±ÇnqgŠnÂÉ [Ω] : nï [V] IL : nq n [A] fosc : ºÈi [Hz] µnfqn DC/DC ±q±çnïöm²àn q ï ˆn ïèp α nïqn ˆnqnº q nä nù ~ Irms IL 2 3 Irms IL : n ( ) [A] : nq n [A] 34 DS4-27265-2Z

± nq² ± n ² ESR ±qãmn±k È nãmn²íq nêˆn ESR ±ƒq ÎÉn¾n DC/DC ±qºù ± q nï Çù nïä± nqâ ± q n ïù ~ VIN IL ESR (IOMAX CIN VIN fosc 2 IOMAX ) VIN : ± nï [V] IOMAX : µnn [A] CIN VIN fosc : ± n [F] : nnï [V] : µnnï [V] : ºÈi [Hz] ESR : ± nqgšnâé [Ω] IL : nq n [A] ƒ± q nïãoˆnnxkù³²îºèiq À nºèiggïg}º ˆnz ²ÈnïqÎï}qˆnzn q ùœ~ gì ²n ²nqÈ ²¾± nï n ï qn nù ~ Irms IOMAX (VIN ) VIN Irms : n ( )[A] IOMAX : µnn [A] VIN : nnï [V] : µnnï [V] DS4-27265-2Z 35

Žhn p~q² ²ýnïq gûp~ (SBD) ÍÙg FET qn²žhn q SBD nù ~² Ç SBD nè ID Qg fosc ID Qg fosc : ýn [A] : g FET q¹n [C] : ºÈi [Hz] Žhn p~qèù ~ VR_BOOT > VIN VR_BOOT: Žhn p~qröýnï [A] VIN : nnï [V] Žhnq² ÍÙg FET qžhnä qn ²ù g FET Qg 1 xn qžhn CBOOT 1 Qg VB CBOOT: Žhn [F] Qg : g FET qn [C] VB : VB nï [V] ŽhnqÈù ~ VCBOOT > VIN VCBOOT: Žhn ï [V] VIN : nnï [V] ºp VB n º šg 1 µfˆnqº FET q Qg ±qüä ž ÍÙe º FET qvb nä qn g² VB nqõ ²nŽù º FET ü Qg q 1 qn CVB 1 Qg VB CVB Qg VB :VB Œn [F] : g FET ü º FET qn qü [C] :VB nï [V] VB nqèù ~ VCVB > VB VCVB VB :VB Œn ï [V] :VB nï [V] 36 DS4-27265-2Z

ƒrÿ n q (1) nï (CV) ƒrÿ n ±ÇnˆnÃm} ESR ƒqn LC qºèirmqƒr²² 18 DC/DC ±öm±ç ²yüÄ -INE3 Œ ( Œ 6) COMP3 Œ ( Œ 16) iâ-ine3 Œ BATT Œ ( Œ 17) iâ² RC ²rn ²ŸƒrŸ 2pole-2zero ƒrÿ n BATT CZ1 CZ2 RZ2 17 6 -INE3 R1 R2 - + Error Amp3 Vrefint1 16 PWM Comp. COMP3 ²rn qµz ù ~ CZ1 5.1 1 6 (2 CELLS 1) flc RZ2 8.9 1 4 fco VIN flc 36 CZ2 1 2π RZ2 flc CELLS : ngš cell flc VIN fco : n±çnqºèi [Hz] : nnï [V] : r Èi [Hz] xÿ DC/DC ±qíj Èqr Èi (fco) Îγ ~ ùåƒr ö qù Œk r Èišù{ xºèi (fosc) q 1/1 1/5 gž  DS4-27265-2Z 37

(2) n (CC) ƒrÿ n n±çnâj q± 1pole-1zero qƒrÿ n ²Í 2 (gm ) q±çœ (COMP2) 1pole-1zero ƒrÿ n Rs BATT Current Amp2 17 - - COMP2 12 + 15 PWM Comp. +INC2 + Error Amp2 Rc Vrefint2 Cc gžâ²rn Rc (Ω)Cc (F) ù ~ RC 1.2 1 4 fco L Rs VIN CC L Co Rc Rs VIN L Co fco : µnnnâ [Ω] : nnï [V] : n [H] : ±Çn [F] : r Èi [Hz] 38 DS4-27265-2Z

ºp Š / IC ÎfÀÄ ÎnnïκÈiΫ±ÎˆnÊÄ IC ¼µŠù ~ PIC VCC (ICC Qg fosc ) PIC VCC :IC ¼µŠ [W] : nnï (VIN)[V] ICC : nn [A] ( 3.6 ma ) Qg : ¹º FET n [C] (Vgs 5 V qü ) fosc : ºÈi [Hz] (Tj) ù ~ Tj Ta θja PIC Tj : [ ] Ta : j [ ] θja :QFN-32  (22.7 /W) PIC :IC ¼µŠ [W] DS4-27265-2Z 39

ºpíÍq Ä xå - IC «Å ˆ GND rº q n²í PGND (PGND Œ )͵Éqµz²Í AGND(GND Œ )ü GND ÉyÙ ˆn³²ÍµÉq AGND AGND PGND IC År² xˆn²íµéq AGND - ± n (CIN)º FETSBDn (L)n (Rs)±Çn (Co) q² Ÿ²Ÿ ³²³q² - gì± n (CIN)º FET SBD qj ˆnj - ± n (CIN)SBD ±Çn (Co) q GND ŒŽ² ˆ³² q GND - Žhn n (CBOOT) ˆ IC q CBLX ŒŽ²q - ± n (CIN) g FET rpå²lx Œqˆ vg FET qœž²çù LX Œqˆ tân³² u.8 mm ú - ²º FET q OUT1 OUT2 Œqˆ ntâ² užg.8 mm ú - ² VCCVINVREF VB Œq n² RT Œqn ˆŒŽ²q ² n fosc nâq GND Œ Ų IC q GND Œ ( IC q GND Œ n fosc nâq GND ŒŽ² ˆ³äü GND q²) - -INCx+INCxBATTCOMPxRT Œq ùœqu ²yºµz - -INC2+INC2 qˆ Å nrpå²qÿ (Kelvin ² ) ²yºµz GND FET PGND VIN VCC VIN LX Cin PGND FET GND VREF RT SBD L RS Co V O ICPGNDGND +INC2 -INC2 BATT 4 DS4-27265-2Z

õ ÃÅgÌ zg VIN 19 VIO 2.85 ALi+ n 4Cell Ta 25 η(%) i ± 1 98 96 94 92 9 88 86 84 82 ±i - µnnï ( nï ) 4Cell 3Cell 2Cell 8..5 1. 1.5 2. 2.5 3. µnnï Vo(V) Vo(V) 2 18 16 14 12 ï n µ 1 8 µnnï - µnn 4Cell 3Cell 2Cell 6 4 2..5 1. 1.5 2. 2.5 3. 3.5 µnn Vo(V) ±i - µnnï ( n ) η(%) 1 i ± 95 9 85 8 75 7 65 6 55 5 2 4 6 8 1 12 14 16 18 µnnï Vo(V) º ( nï ) º ( n ) OUT1 ( V ) 2 OUT1 Io = 1.5 A SW1-2 = OFF OUT2 ( V ) 5 OUT1 ( V ) 2 OUT1 OUT2 = 12 V SW1-2 = OFF OUT2 ( V ) 5 LX ( V ) 2 OUT2 LX LX ( V ) 2 1 1 LX 4 ns/div 4 ns/div ( ±È ) DS4-27265-2Z 41

Vo (V) Ù / ž ( nï ) Vo (V) Ù / ž ( nï ) 18 16 18 16 14 SW1-2 = OFF 14 SW1-2 = OFF 12 12 VCTL (V) 1 Io VCTL Ù / ž ( n ) 2 ms/div Io(A) 1 VCTL (V) 1 Io VCTL Ù / ž ( n ) 2 ms/div Io(A) 1 (V) (V) 18 18 16 14 12 Io Io(A) 3 16 14 12 Io Io(A) 3 VCTL (V) 1 VCTL SW1-2 = OFF 2 ms/div 2 1 VCTL (V) 1 VCTL SW1-2 = OFF 2 ms/div 2 1 ( ±È ) 42 DS4-27265-2Z

( È ) «±{ qt ( nï ) n «±{ qt ( nï ) n (V) (V) 18 16 14 UT1 UT1 (V) 2 18 16 14 UT1 UT1 (V) 2 1 1 UT2 (V) UT2 Io SW1-2 = OFF CV to CV 2 ms/div Io(A) 2 UT2 (V) UT2 Io SW1-2 = OFF CV to CV 2 ms/div Io(A) 2 «±{ qt ( n ) n «±{ qt ( n ) n (V) 18 16 14 UT1 SW1-2 = OFF CV to CC UT1 (V) 2 (V) 18 16 14 UT1 UT1 (V) 2 1 1 UT2 (V) UT2 Io(A) 4 2 UT2 (V) UT2 SW1-2 = OFF CC to CV Io(A) 4 2 Io 2 ms/div Io 2 ms/div DS4-27265-2Z 43

ˆnoÈ 1. zù ÇÈ ˆn ÇÈ ù LSI ³h ùˆnk zˆn Ç zqˆn LSI qùå 2. zˆn zv LSI q z ¼xöüÈrqzngq µùí 3. íín q ³n 4. ÂÅn ˆn ÂÅnqºnqéƒ ~²«fýqn ˆnnâ úº y tq ƒiâgš 25 kω 1 MΩ nâý 5. ùø«nï Ø.3 V xq«nïùœ~ˆ LSI qmƒ~ùž Ù «ú MB39A132QN- øøø E1 q «ú ú 32 Œ QFN (LCC-32P-M17) ¾r ú EV qf MB39A132EVB-2 Board rev.2. QFN-32 RoHS xq«~k ( ¾qü ) ³q LSI r RoHSx³ºp¾ / À / / ¹z xög ÄeÏ PBB PBDE qâp}ü Âqr úq "E1" ØxŸx 44 DS4-27265-2Z

rí ( ¾qü ) ¾ Œý r~ ( ¾qüqx ) ¾ JEITA JEDEC MB123456P - 789 - GE1 (3N) 1MB123456P-789-GE1 1 G Pb (3N)2 1561195 1721 1, PCS MB123456P - 789 - GE1 QC PASS 26/3/1 ASSEMBLED IN JAPAN MB123456P - 789 - GE1 1/1 1561195 65 - Z1A 1 ¾úqØ "E1" DS4-27265-2Z 45

MB39A132QN- øøø E1 «fz ¹ú «fz Èr «qüyz (1) IR ( ) ¼ «IR ( ) / ( µéø ) «2 ~ ~Ð v~í} 2 Ðq ~ Ç~ýq ~Âqü ~z 5 ~ 3 7RH x ( ùœƒ ) ͳý 2 ¼ˆn 8 ¼ (125 24 hrs) ýq 8 ¼ˆn 26 C 255 C sø 17 C ~ 19 C RT (b) (c) (d) (e) (a) (d') H : 26 Max (a) é : 1 /s ~ 4 /s (b) ÈØ ( oè ) xg ŸÅ : 17 ~ 19 6 s ~ 18 s (c) é : 1 /s ~ 4 /s (d) : 26 Max 255 x 1 s x¼ (d ) sø : 23 x 4 s x¼ 225 x 6 s x¼ 22 x 8 s x¼ (e) Áí : ŽÁíÍÁí (2) ( µéø ) :Max 4  :5 s x¼ / Œ 46 DS4-27265-2Z

32QFN.5 mm (LCC-32P-M17) 32QFN (LCC-32P-M17) 5.±.1 (.197±.4) 3.5±.1 (.138±.4) 5.±.1 (.197±.4) INDEX AREA 3.5±.1 (.138±.4) +.5.3 +.2.1.25 (.1 ) (3-R.2) ((3-R.8)).5(.2) (TYP).4±.1 (.16±.4) 1PIN CORNER (C.3(C.12)) C.8(.3) 27-28 FUJITSU MICROELECTRONICS LIMITED C3269S-c-2-3 +.5.. +.2 (. )..85(.33) MAX.2(.8) :mm (inches) : DS4-27265-2Z 47

FUJITSU MICROELECTRONICS LIMITED Shinjuku Dai-Ichi Seimei Bldg. 7-1, Nishishinjuku 2-chome, Shinjuku-ku, Tokyo 163-722, Japan Tel: +81-3-5322-3347 Fax: +81-3-5322-3387 http://jp.fujitsu.com/fml/en/ Š y : North and South America FUJITSU MICROELECTRONICS AMERICA, INC. 125 E. Arques Avenue, M/S 333 Sunnyvale, CA 9485-541, U.S.A. Tel: +1-48-737-56 Fax: +1-48-737-5999 http://www.fma.fujitsu.com/ Europe FUJITSU MICROELECTRONICS EUROPE GmbH Pittlerstrasse 47, 63225 Langen, Germany Tel: +49-613-69- Fax: +49-613-69-122 http://emea.fujitsu.com/microelectronics/ Korea FUJITSU MICROELECTRONICS KOREA LTD. 26 KOSMO TOWER, 12 Daechi-Dong, Kangnam-Gu,Seoul 135-28 Korea Tel: +82-2-3484-71 Fax: +82-2-3484-7111 http://www.fmk.fujitsu.com/ Asia Pacific FUJITSU MICROELECTRONICS ASIA PTE LTD. 151 Lorong Chuan, #5-8 New Tech Park, Singapore 556741 Tel: +65-6281-77 Fax: +65-6281-22 http://www.fujitsu.com/sg/services/micro/semiconductor/ FUJITSU MICROELECTRONICS SHANGHAI CO., LTD. Rm.312, Bund Center, No.222 Yan An Road(E), Shanghai 22, China Tel: +86-21-6335-156 Fax: +86-21-6335-165 http://cn.fujitsu.com/fmc/ FUJITSU MICROELECTRONICS PACIFIC ASIA LTD. 1/F., World Commerce Centre, 11 Canton Road Tsimshatsui, Kowloon Hong Kong Tel: +852-2377-226 Fax: +852-2376-3269 http://cn.fujitsu.com/fmc/tw f ¼q ±¼ ÙùŸ³u «Ð n xÿ ¼ ±q u õ ØŒ nn x FUJITSU MICROELECTRONICS éƒzq ˆn x p uqzˆn FUJITSU MICROELECTRONICS zq n örfˆn zn qˆn««p² qˆn q{ FUJITSU MICROELECTRONICS { «{ ¼¼q{ âøœv ñkk gˆnÿ{ u rq ù Ì FUJITSU MICROELECTRONICS qºwì}ì FUJITSU MICROELECTRONICS k ˆn g{ }u rºwìˆn q}u rºwìqÿg FUJITSU MICROELECTRONICS { «{ ¼v qrn² öí³â Âpqdˆn³Ø¹ˆnftˆn ˆnx öí³ (1) ˆnf ÃsŽÉÃíà ØxgÌι ÃùŒŽ¹ }rmímžrrt e g«ºw ( í qöí{éÿí{fr³ ͹ºr³Íçn m qöí ) (2) Ä ÎùÅqnÈ ( f ±t³ì ) ²È¼ˆn r qn / }q{ «FUJITSU MICROELECTRONICS { «{ éƒzqãömi nz ½  ²n} ºw Â}¹ íˆéƒzömãqàk~³t x~ ¼¼ ±q{ rqçø / öùœä ö«~k / ˆÇø~k Øk q ¼¼ ±q¹úüzüzüf¹úq¼ ± nodöµ