筆記本電腦電源基礎(chǔ)知識(080227)

1、| 2006 LenovoLenovo Confidential qiuml20080227| 2006 LenovoLenovo Confidential 電源部分電源部分BIOSEC 系統(tǒng)部分系統(tǒng)部分 | 2006 LenovoLenovo ConfidentialNorth BridgeSouth BridgeCPUVGAECClockBIOSDDR-BAudioI/OChipsetFSBPCIELPCPCIAC LINKDMIDDR-A| 2006 LenovoLenovo Confidential5VPCU3VPCUon/offon/offon/offon/off5VSUS5V3.3

2、VSUS3.3VSUSONMAINONSUSONMAINONCPU_COREon/offon/off電池充電模塊電池充電模塊（MAX1772）適配器電壓適配器電壓（19V_DC）VRONVHVLDC_INVID(04)電源管理芯片電源管理芯片（NSC97551）3.3/5V3.3/5V電源芯片電源芯片（MAX1999）系統(tǒng)電池系統(tǒng)電池內(nèi)存電壓模塊內(nèi)存電壓模塊（SC1485）芯片組電壓芯片組電壓（SC4215）CPU電壓模塊電壓模塊（SC451） 1.5VMAINON 1.8VSUSSUSON內(nèi)存內(nèi)存北橋北橋南橋南橋北橋北橋FPFPBTBTHDDHDDODDODDUSBUSB電源電源CLKCLK

3、南橋南橋CPUCPUSM_BUSCHG1 12 23 34 4| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential電源管理芯片（NSC97551）南橋（ICH7）DC/DC電源產(chǎn)生電路 延時電路 _NB_ON_POWER_ON_SUSB_SUSCSUSONMAINONVRONPWR_GDPWR_OKNB_PWROKSB_PWROKCPU_PWROK(1)RVCC(2)(3)(4)(5)(6)(7)開機按鈕開機按鈕1 12 23 34 4| 2006 Len

4、ovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential DC_IN(19V)NB_SW3.3/5/1.8VSUSMAINON3.3/5/2.5VVRONCPU_COREPW_GDCPU_RSTSUSON 3.3/5VPCUTiming1 12 23 34 4| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLen

5、ovo ConfidentialBSTBSTVL電壓產(chǎn)生VLVL3.3/5V電壓OK過流保護偵測CONTROLCONTROL1999_PGD1999_PGD1999_SHT1999_SHT2VREF2VREF濾波電感濾波電感3.3/5VPCU3.3/5VPCU輸出輸出23V23V限流電阻限流電阻19V DC_IN19V DC_IN1 13 34 42 2| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential溫度傳感器FAN_ONFAN_ONFAN_SIGFA

6、N_SIG1 12 23 34 4| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential適配器電源適配器電源濾波電感濾波電感限流電阻限流電阻AC_INAC_INDC_OUTDC_OUTSM_DATSM_DATSM_CLKSM_CLKBT_TEPBT_TEP電池接口電池接口CC_SETCC_SETCV_SETCV_SETCMOSCMOSCMOSCMOS1 12 23 3| 2006 LenovoLenovo Confidential| 2006 LenovoL

7、enovo Confidential電壓控制LCDLCD連線連線（信號）（信號）LCDLCD面板面板升壓線圈升壓線圈FUSEFUSE休眠開關(guān)休眠開關(guān)VADJVADJ19V DC_IN19V DC_INDISPONDISPONLCDLCD燈管燈管1 14 42 23 3| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential。| 2006 LenovoLenovo Confidential5VPCURTCRTCCMOS電池電池RTCVCC32.768KHz_CLK南橋1 13 32 2| 2006 LenovoLenovo

8、Confidential| 2006 LenovoLenovo ConfidentialCPU電壓芯片（SC453）CPU（Intel）PWM1PWM3PWM2PWR_GDVRONVID055V19VDC_INCPU_COREISEN3ISEN2ISEN1PHASE3PHASE2PHASE11 12 2| 2006 LenovoLenovo ConfidentialTimeTimePhase1Phase2Phase3CPU_CORECPU_COREWaveWave| 2006 LenovoLenovo ConfidentialAudioCodec功率放大（MAX9750）AC_SDOUTAC_BITCLKAC_SDIN0AC_SYNCAC_RESET#SP_RSP_L25MHzL