Linear高性能电池充电器方案

LinearTechnologyChronicle1(Simplified)LinearTechnologyChronicleVol.12No.2LTCLTPowerPathThinSOT••••USB••…ICHARGELTC4008ACP/SHDNFAULTFLAGNTCLTC4054BATPROG2LinearTechnologyChronicle••2.PROG•••0.6%VCC1.65k4.2VLi-IonBATTERYLTC4054-4.21µFVIN4.5VTO5.25VBAT4352PROGGND600mAPassTargetedChargeInputElementAmbientBatteryPartChargerCurrentVoltageMicrocontrollerInternal/ChargeTemperatureCapacities,NumberType(A)(V)Needed?ExternalTerminationMonitor?PackagemAh*LTC1734LLinear0.05to0.184.55to8YesExtµCRequired—SOT-23-6Upto450LTC4056Linear0.2to0.74.5to6.5NoExtTimer—SOT-23-8Upto1,700LTC1734Linear0.2to0.74.55to8YesExtµCRequired—SOT-23-6Upto1,700LTC4054Linearto0.84.25to6.5NoIntC/10—SOT-23-5Upto2,000LTC4050Linearto14.5to12NoExtTimerYesMSOP-10Upto2,500LTC1730Pulseto14.5to12NoExtTimerYesSSOP-16Upto2,500LTC1731Linearto14.5to12NoExtTimer—MSOP-8Upto2,500LTC1732Linearto14.5to12NoExtTimer—MSOP-10Upto2,500LTC4053Linear1.25(WallCube),4.25to6.5NoIntTimerYesMSOP-10Upto3,0000.1to0.5(USB)LTC1733Linear0.5to1.54.5to6.5NoIntTimerYesMSOP-10Upto3,750LT1571-5Switcherto1.56.2to28YesIntC/5Flag,—SSOP-16Upto3,750(500kHz)µCRequiredLTC4052Pulseto24.5to12NoIntTimer—MSOP-8Upto5,000*0.4C1CLTC4054LTC4054ThinSOTTM•800mA••C/10••PROGLinearTechnologyChronicle3µFTHERMISTOR10kNTC309kTIMINGRESISTOR(~2HOURS)0.0047µF0.47µF32.4kCHARGINGCURRENTMONITOR100kVLOGICDCIN0VTO20V2.5A6.04k0.1µFINPUTSWITCH15nF20µFTOLOAD22µH2A5kRSENSE0.05Ω0.04Ω20µFBATTERYLTC400695%•••4A••3.9VPassTargetedChargeInputElementBatteryPartChargerCurrentVoltageNumberofMicrocontrollerInternal/ChargeCapacities,NumberType(A)(V)CellsNeeded?ExternalTerminationPackagemAh*LTC1731Linearto14.5to121to2NoExtTimerMSOP-8Upto2,500LTC1732Linearto14.5to121to2NoExtTimerMSOP-10Upto2,500LT®1510-5Switcherto16.2to291to4YesIntµCRequiredSO-8,SO-16,Upto2,500(500kHz)SSOP-16LT1571Switcherto1.56.2to281to4YesIntµCRequiredSSOP-28Upto3,000(200kHz)LT1511Switcherto36to281to4YesIntµCRequiredSO-24Upto7,500(200kHz)LTC4006Syncto46to282to4NoExtTimerSSOP-16Upto10,000SwitcherControllerLTC4007Syncto46to283to4NoExtTimer,TempSSOP-24Upto10,000SwitcherControllerLTC4008Syncto46to282to6YesExtµCRequiredSSOP-20Upto10,000SwitcherController*0.4C1C4LinearTechnologyChronicleµF10µH0.025Ω0.02Ω20µFSYSTEMLOADNiMHBATTERYPACKPATENTEDCHARGINGCURRENTMONITORCURRENTLIMITENSURESWALLADAPTERISNOTOVERLOADEDCHARGETERMINATIONTIMERSETWITHALOWCOSTRESISTORSETSUPPERANDLOWERTEMPERATURELIMITSFORSAFECHARGING4ANiMH•4A••SSOP-20•NiCdNiMHPassTargetedChargeInputElementBatteryPartChargerCurrentVoltageNumberofInternal/ChargeCapacities,NumberType(A)(V)CellsExternalTerminationPackagemAh*LTC1734Linear0.2to0.74.55to84ExtµCRequiredSOT-23-6Upto1,700LTC1734LLinear0.05to0.184.55to84ExtµCRequiredSOT-23-6Upto450LTC1731Linearto14.5to126ExtµCRequiredMSOP-8Upto2,500LTC1732Linearto14.5to126ExtµCRequiredMSOP-10Upto2,500LT1510-5Switcherto16.2to2918IntµCRequiredSO-8,SO-16,Upto2,500500kHzSSOP-16LTC4008Syncto46to2816ExtµCRequiredSSOP-20Upto10,000SwitcherController*0.4C1CLinearTechnologyChronicle5•••••••••••••••••≤1A•≤1A6LinearTechnologyChronicle••100mA500mAUSB•1.25AUSB•10MSOP••LTC4053USBLTC4410USBUSBUSB•USB••LTC4053LTC1733••6ThinSOTLTC4410USB1k3kLi-IonBATTERY5VWALLADAPTER1AICHG3kLTC4053BATVCCICHGPROG+SYSTEMLOADUSBPOWER500mAICHGUSB4.7µF4.7µF0.1µF1Ω3.4k1%1MVOUTGNDNTCTIMER1-CELLLi-IonLTC4410LTC4053VINVCCBATGNDSHDNUSBPCHPMODEOFFONSYSTEMPOWERSUPPLYUSBMODE500mA100mASUSPENDLTC4410MODE101LTC4053SHDN1104.35VTO5.5VFROMUSB100mA500mAIRLML6401PROGLTC4410USBLTC4053LinearTechnologyChronicle7•0.02V0.7V•6ThinSOT••11µALTC1998IC1%1%2.5µA6ThinSOT•2.5V3.25V••1%1%•LTC1998LTC4412POWERSAVINGS!LTC4412“IDEALDIODE”Vf=0.02VCURRENTTYPICALDIODEVf=0.3VTO0.7VVOLTAGEVINSENSEWALLADAPTERINPUTBATTERYCELL(S)LTC44121N5819FDN306PCOUTTOLOADGNDGATECTLSTATLTC1998R11%R21%R31%HYSTVTRIPBATTVLOGICBATTLOREGULATORµPLi-IonGND0.1µF+THRESHOLDADJUSTHYSTVTRIPBATTVLOGICBATTLO1.1RR1.2VLTC1998LTC4412PowerPathLTC44128LinearTechnologyChronicle©2003LinearTechnologyCorporation/0303DP/PrintedinUSALT17872.5V60µA•2.5V60V60µA••MSOP-8•–40°C125°C•±40µV12•LT1787C0.1µFRSENSEVOUTTOLOAD12348765LT1787HVFIL+FIL–VBIASVOUTVS–VS+DNCVEEROUTLT1787+8522428-0303+8522348-0885+86(21)6375-9478+86(21)6375-9479+86(10)6801-1080+86(10)6305-4030+8522375-8866+86(10)8268-4280+86(21)6440-1373+86(755)8386-7431+86(25)481-0877+86(28)8652-7116+86(29)837-8918+86(27)8736-0546+8522410-2778+86(10)8519-1866+86(21)6317-8226+86(755)8366-4329+86(28)8652-8252+86(27)8732-2646+86(29)822-9180+86(592)516-4701+8