精工s8254锂电池保护ic

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1、Rev.3.5_00BATTERYPROTECTIONICFOR3-SERIALOR4-SERIAL-CELLPACKS-8254SeriesTheS-8254seriesisaprotectionICfor3-serialor4-serialcelllithium-ion/lithiumpolymerrechargeablebatteriesandincludesahigh-accuracyvoltagedetectoranddelaycircuit.TheS-8254seriesprotectsboth3-serialor4-serialcellsusingtheSE

2、Lpinforswitching.Features(1)High-accuracyvoltagedetectionforeachcell·Overchargedetectionvoltagen(n=1to4)3.9to4.4V(50mVsteps)Accuracy±25mV·Overchargereleasevoltagen(n=1to4)3.8to4.4V*1Accuracy±50mV·Overdischargedetectionvoltagen(n=1to4)2.0to3.0V(100mVsteps)Accuracy±80mV·Overdischargereleasev

3、oltagen(n=1to4)2.0to3.4V*2Accuracy±100mV(2)Three-levelovercurrentprotection·Overcurrentdetectionvoltage10.05to0.30V(50mVsteps)Accuracy±25mV·Overcurrentdetectionvoltage20.5VAccuracy±100mV·Overcurrentdetectionvoltage3VC1−1.2VAccuracy±300mV(3)Delaytimesforoverchargedetection,overdischargedete

4、ctionandovercurrentdetection1canbesetbyexternalcapacitors(delaytimesforovercurrentdetection2and3arefixedinternally).(4)Switchablebetweena3-serialcelland4-serialcellusingtheSELpin(5)Charge/dischargeoperationcanbecontrolledviathecontrolpins.(6)WithstandingvoltageelementAbsolutemaximumrating:

5、26V(7)Wideoperatingvoltagerange2to24V(8)Wideoperatingtemperaturerange(9)Lowcurrentconsumption−40to+85°C·Operationmode30µAmax.(+25°C)·Power-downmode0.1µAmax.(+25°C)(10)Lead-freeproducts*1.Overchargehysteresisvoltagen(n=1to4)canbeselectedas0Vorfromarangeof0.1to0.4Vin50mVsteps.(Overchargehys

6、teresisvoltage=Overchargedetectionvoltage−Overchargereleasevoltage)*2.Overdischargehysteresisvoltagen(n=1to4)canbeselectedas0Vorfromarangeof0.2to0.7Vin100mVsteps.(Overdischargehysteresisvoltage=Overdischargereleasevoltage−Overdischargedetectionvoltage)Applications·Lithium-ionrechargeableba

7、tterypacks·LithiumpolymerrechargeablebatterypacksPackageSeikoInstrumentsInc.1PackageNameDrawingCodePackageTapeReel16-PinTSSOPFT016-AFT016-AFT016-ABATTERYPROTECTIONICFOR3-SERIALOR4-SERIAL-CELLPACKS-8254SeriesBlockDiagramCOPDOP,COP,Rev.3.5_00RVCM,RVSMControlC