笔记本电脑电源基础知识(080227)

1、| 2006 LenovoLenovo Confidential qiuml20080227| 2006 LenovoLenovo Confidential 电源部分电源部分BIOSEC 系统部分系统部分 | 2006 LenovoLenovo ConfidentialNorth BridgeSouth BridgeCPUVGAECClockBIOSDDR-BAudioI/OChipsetFSBPCIELPCPCIAC LINKDMIDDR-A| 2006 LenovoLenovo Confidential5VPCU3VPCUon/offon/offon/offon/off5VSUS5V3.3

2、VSUS3.3VSUSONMAINONSUSONMAINONCPU_COREon/offon/off电池充电模块电池充电模块（MAX1772）适配器电压适配器电压（19V_DC）VRONVHVLDC_INVID(04)电源管理芯片电源管理芯片（NSC97551）3.3/5V3.3/5V电源芯片电源芯片（MAX1999）系统电池系统电池内存电压模块内存电压模块（SC1485）芯片组电压芯片组电压（SC4215）CPU电压模块电压模块（SC451） 1.5VMAINON 1.8VSUSSUSON内存内存北桥北桥南桥南桥北桥北桥FPFPBTBTHDDHDDODDODDUSBUSB电源电源CLKCLK

3、南桥南桥CPUCPUSM_BUSCHG1 12 23 34 4| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential电源管理芯片（NSC97551）南桥（ICH7）DC/DC电源产生电路 延时电路 _NB_ON_POWER_ON_SUSB_SUSCSUSONMAINONVRONPWR_GDPWR_OKNB_PWROKSB_PWROKCPU_PWROK(1)RVCC(2)(3)(4)(5)(6)(7)开机按钮开机按钮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电压产生VLVL3.3/5V电压OK过流保护侦测CONTROLCONTROL1999_PGD1999_PGD1999_SHT1999_SHT2VREF2VREF滤波电感滤波电感3.3/5VPCU3.3/5VPCU输出输出23V23V限流电阻限流电阻19V DC_IN19V DC_IN1 13 34 42 2| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential温度传感器FAN_ONFAN_ONFAN_SIGFA

6、N_SIG1 12 23 34 4| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential适配器电源适配器电源滤波电感滤波电感限流电阻限流电阻AC_INAC_INDC_OUTDC_OUTSM_DATSM_DATSM_CLKSM_CLKBT_TEPBT_TEP电池接口电池接口CC_SETCC_SETCV_SETCV_SETCMOSCMOSCMOSCMOS1 12 23 3| 2006 LenovoLenovo Confidential| 2006 LenovoL

7、enovo Confidential电压控制LCDLCD连线连线（信号）（信号）LCDLCD面板面板升压线圈升压线圈FUSEFUSE休眠开关休眠开关VADJVADJ19V DC_IN19V DC_INDISPONDISPONLCDLCD灯管灯管1 14 42 23 3| 2006 LenovoLenovo Confidential| 2006 LenovoLenovo Confidential。| 2006 LenovoLenovo Confidential5VPCURTCRTCCMOS电池电池RTCVCC32.768KHz_CLK南桥1 13 32 2| 2006 LenovoLenovo

8、Confidential| 2006 LenovoLenovo ConfidentialCPU电压芯片（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