笔记本上电时序详解工厂资料.pptx
30-Sep,2023CharlesYMChenNBProductEngineeringSNotePowerSequencePresentation
SNoteBlockDiagram
SNotePoweronSequenceMAX1977MAX1845MAX1907MAX1992Fuse7AFETPchFETPchFETNchFETNchDC-INConnectorDockingConnectorVINT16TsurumaiVCC3SWVCCCPUCOREFETNchFETNchLP3958Fuse0.75AFETPchVCC_FANVCC5BVCC5MUSB_PWR1USB_PWR2MICVCCVCC2R5AFETNchVCC3BVCC3MFETPchVCC3AUXVCC3PFuse2AFETNchVBL16Fuse2AVCCCPUIOVCC1R5MFETNchFETNchFETNchVCC1R5BVCC1R5AUXFETNchVCCGBEIOAUXVCC1R8M(Kenai2-32)ForEthernetControllerPolySW1.5AVDD15H8VCC1R25BLP2996MAX4245VCCGMCHCOREMAX1845_VREFMAX1683FETNchPolySW1.5AMAX8880VCCACPUMAX1935VCC1R8MMAX1935VCC3MVCCGBECOREAUXICH4M PMH4CPUPWRSWITCH#PWRSW_H8#PWRSW_H8#PowerButtonPWRSW#ICH_SLP_S3#ICH_SLP_S4#ICH_SLP_S4#ICH_SLP_S3#PM_SLP_S3#PM_SLP_S5#VTT_PWRGVTT_PWRGVR_PWRGDVR_PWRGDPCIRST#PWRBTN#SLP_S3#SLP_S4#+PWRONB_ONVCPU_CORE_ONDDR_VREFMPWRGAPWRGBPWRGPCIRST#CC_CPUPWRGDCC_CPUPWRGDPWRGOODGTL_CPURST#GTL_CPURST#GTL_ADS#MONTARAGM+CPURST#BPWRGPWROKIMVPOKDOCK-PWR16_F12VREGIN1623444.14455666677777888955101010101111111111121213141516171819MPWRGBPWRGPWROKRSMRST#
Poweronseuqencetable
Poweronseuqencetable
DOCK-PWR16_FVREGIN16
VCC3SW
VCC3M_ONVCC5M_ONSpec:VCC3M_ON(M_ON1)toVCC5M_ON(M_ON2)is10ms~20ms
VCC3MVCC5MVCC3MVCC%MpowerbyMAXIM1977
VCC3MVCC5M
VCC1R5MVCC1R8MVCC1R5MpowerbyMAXIM1845VCC1R8MpowerbyMAXIM1935
VCC1R5MVCC1R8M
MPWRGIntheblockofM_PGS,thevoltageofVCC5MandVCC3Maremonitoredbytheinternalanalogcomparatorrespectively,eachstateissuppliedtoM_PGSoutput.TheterminalisOpendrainstructure.Theoperationofdetectionisstartedwhenboth5M_ONand3M_ONareequaltoHigh.TheanalogComparatorhashysteresisvoltageandgeneratehighsignalwhenthefollowingconditionaresatisfied.Greaterthan4.461V(Typ.)atpoweronstageofVCC5M(RisingEdge)andlowerthan4.311V(Typ.)attheshutdownstage(Fallingedge)after47.5ms+/-2.5msGreaterthan2.943V(Typ.)atpoweronstageofVCC3M(RisingEdge)andlowerthan2.793V(T