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Acer Aspire 5935G

1 2 PC47 0.01U_0402_25V7K 1 2 1 PR61 @ 887K_0402_1% PQ15 @ SI2301BDS-T1-E3_SOT23-3 2 2 PC46 0.01U_0402_25V7K 1 2 8 P G 6 ACSET PR70 100K_0402_1% 24751_VREF PR60 499K_0402_1% 5 - @ PR59 0_0402_5% 1 2 ADP_I G + 0 LM358DT_SO8 (31) 4 7 3 D (31) BATT_OVP PR66 64.9K_0402_1% 24751_VREF 1 2 PC44 100P_0402_50V8J PR57 340K_0402_1% S PU1B IREF=0.77484*Icharge S PR62 10K_0402_1% 1 2 IREF (31) PC43 @ 0.01U_0402_25V7K 1 S PQ14 SSM3K7002FU_SC70-3 BQ24751ARHDR_QFN28_5X5 PR67 105K_0402_1% 2 G PR55 100K_0402_1% 1 PQ13 SSM3K7002FU_SC70-3 2 1 17.4K_0402_1% 2 VMB D 2 G PR54 10_0603_5% 2 15 1 2 1 PQ15_GATE For 2200mA, Icharge=0.8C=0.8*2*2.2=3.52A For 2400mA, Icharge=0.8C=0.8*2.4*2=3.84A Icharge=(Vsrset/Vdac)*(0.1/PR62) IREF*(100k/(100K+17.4K)/3.3)*(0.1/0.02)=Icharge PR52 SRSET 16 BATDRV 1 D 14 SRSET IADAPT /BATDRV 3 2 PR58 340K_0402_1% 2 1 Fsw : 300KHz 1 0.1U_0402_16V7K PC45 ACOFF 1 3 Input OVP : 22.3V Input UVP : 17.26V PR56 100K_0402_1% 2 1 CP POINT=(1.436V/3.3V)*(0.1/0.015)=2.901A 24751_VREF PR53 200K_0402_1% 2 1 24751_VREF PC41 0.1U_0603_25V7K ACGOOD 65W adapter R=(100K*100K)/(100K+100K)=50K Vacset=3.3*(50K/(50K+64.9K))=1.436V 1 SE_CHG- BAT CP Point=(Vacset/Vvdac)*(0.1/PR56)=4.04A ACGOOD# 2 SE_CHG+ 18 1 19 SRN 2 1 VADJ ACSET PC39 0.1U_0603_25V7K VREF PR51 100K_0402_1% 2 PC42 0.1U_0603_25V7K 90W adapter Vacset=3.3*(100K/(64.9K+100K))=2.001V 10 CELLS 1 1 2 1 1 2 1 CP point=Iadapter*85% PC40 1U_0603_10V6K 2 24751_VREF 3 1 PQ15_GATE CP Point Setting PC38 0.1U_0603_25V7K 24751_VREF PQ12 SI2301BDS-T1-E3_SOT23-3 2 (31) 1 PR49 54.9K_0402_1% ACOFF 1 2 PQ11 SSM3K7002FU_SC70-3 AGND PC37 0.1U_0402_16V7K 1 2 OVPSET 9 1 3S/4S# (31) 8 2 OVPSET PR50 100K_0402_1% (31) PQ10 AO4466_SO8 4 2 BATT+ 4 PC33 10U_1206_25V6M 1 PC34 1U_0603_10V6K 2 2 7 PC36 0.47U_0603_16V7K 1 PR45 4.7_1206_5% 24 1 1 PR48 340K_0402_1% Cells selector 3 2 2 ACSET 1 PD6 PC31 LL4148_LL34-2 0.1U_0603_25V7K PC32 10U_1206_25V6M REGN 6 1 PR43 0.02_2512_1% PL3 10UH_PCMB104T-100MS_6A_20% 1 2 1 2 2 ACSET 5 6 7 8 LX_CHG PC123 10U_1206_25V6M 25 4 5 6 7 8 ACDRV ACDET 1 DH_CHG /BATDRV 3 2 1 4 5 PR38 100K_0402_1% PQ9 AO4407_SO8 2 2 26 PH ACN ACP PC20 0.01U_0402_25V7K PQ8 AO4466_SO8 4 1 1 PR42 2.2_0603_1% BTST 1 2 2 @ PR47 0_0402_5% 2 2 G 3 2 3 1 2 1 ACN ACP D S 27 PC28 0.1U_0603_25V7K REGN CELLS 2 PVCC 1 5 6 7 8 1 2 2 1 CHG_B+ 2 2 PC27 0.1U_0603_25V7K 2 28 HIDRV CHGEN ACDRV 1 PR44 54.9K_0402_1% 4 Cell PR46 47K_0402_1% @ PD7 2 1 PVCC BTST PC29 0.1U_0603_25V7K GLZ4.3B_LL34-2 3 Cell VREF 1 GND @ JUMP_43X118 PU4 ACDET CELLS 24751_VREF CHGEN# 1 4 2 2 PR41 340K_0402_1% PC30 2.2U_0805_25V6K 3 1 PC26 0.1U_0402_16V7K 1 2 2 PR40 3.3_1210_5% 2 2 1 1 1 PC21 0.01U_0603_50V7K 1 PC25 0.01U_0402_25V7K 4 2 2 1 PR39 100K_0402_1% 1 2 PR37 3.3_1210_5% 4 PC24 2200P_0402_25V7K PJ10 1 2 8 7 6 5 1 1 2 3 PC23 4.7U_1206_25V6K 1 2 3 1 8 7 6 5 PC22 4.7U_1206_25V6K PQ6 AO4407_SO8 VIN B C SCHEMATIC,MB A5011 Document Number Rev B 401673 Thursday, April 30, 2009 Sheet D 37 of 43 5 4 3 2 1 Frequency different RT8205C 300KHZ/375KHZ 2VREF_51125 TPS51125 245KHZ/305KHZ PC48 0.22U_0603_10V7K OCP calculation method different Add pull high resistor to +3VLP on pin13 PR74 20K_0402_1% 1 2 1 1 PQ23 SSM3K7002FU_SC70-3 2 G 2 VL 1 1 3 @ PC62 0.01U_0402_16V7K PR86 100K_0402_1% D S PQ25 SSM3K7002FU_SC70-3 2 G 1 2 2 1 2 1 PR87 49.9K_0402_1% VS 5 6 7 8 1 PC51 10U_1206_25V6M DRVL2 DRVL1 19 LG_5V 1 2 2 1 VL (36) + 2 +5VALWP Ipeak=8.644A ; Imax=6.0508A Rds(on)=18m ohm(max) ; Rds(on)=15m ohm(typical) Vtrip=(10E-06 * 226K)/9-24=227mV Ilimit=227mV/18m ~ 227mV/15m =12.617A ~ 15.141A Iocp=Ilimit+Delta I/2 =13.2395A ~ 15.7635A Delta I=1.245A (Freq=300KHz) A Compal Electronics, Inc. Compal Secret Data 2007/11/12 Issued Date 1 B +3.3VALWP Ipeak=8.444A ; Imax=5.9108A Rds(on)=18m ohm(max) ; Rds(on)=15m ohm(typical) Vtrip=(10E-06 * 196K)/9-24=194mV Ilimit=194mV/18m ~ 194mV/15m =10.778A ~ 12.933A Iocp=Ilimit+Delta I/2 =11.148A ~ 13.303A Delta I=0.74A (Freq=375KHz) Security Classification 2 3 2 1 2 +5VALWP PC57 330U_6.3V_M 2 4 TPS51125RGER_QFN24_4X4 1 1 PR84 @ 0_0402_5% 1 PQ22 AO4712_SO8 PC59 PR81 680P_0603_50V7K 4.7_1206_5% 5 6 7 8 PL5 4.7UH_SIL1045R-4R7PF_6.3A_30% 1 2 VCLK 18 17 16 GND EN0 13 3 2 1 LX_5V S PR85 100K_0402_1% 2 20 PQ24 SSM3K7002FU_SC70-3 3 3 S 1 LL1 D 2 G 2 LL2 2VREF_51125 D PC53 2200P_0402_50V7K UG_5V 11 PC60 4.7U_0805_10V6K ENTRIP2 1 3 2 VFB1 21 PR82 PR82 499K_0402_1% 1 2 PR83 PR83 100K_0402_1% VREF 22 DRVH1 VREG5 VBST1 DRVH2 VIN VBST2 2 1 PC61 0.1U_0603_25V7K (36) 4 (36) 9