GENERALDESCRIPTIONThePW3133Aseriesproductisahighintegrationsolutionforlithiumion/polymerbatteryprotection.PW3133AcontainsadvancedpowerMOSFET,high-accuracyvoltagedetectioncircuitsanddelaycircuits.PW3133Aisputintoanultra-***allSOT23-3packageandonlyoneexternalcomponentmakesitanidealsolutioninlimitedspaceofbatterypack.PW3133Ahasalltheprotectionfuncti***requiredinthebatteryapplicationincludingovercharging,overdischarging,overcurrentandloadshortcircuitingprotectionetc.Theaccurateoverchargingdetectionvoltageensuressafeandfullutilizationcharging.Thelowstandbycurrentdrainslittlecurrentfromthecellwhileinstorage.Thedeviceisnotonlytargetedfordigitalcellularphones,butalsoforanyotherLi-IonandLi-Polybattery-poweredinformationappliancesrequiringlongtermbatterylife..FEATURESProtectionofChargerReverseConnectionProtectionofBatteryCellReverseConnectionIntegrateAdvancedPowerMOSFETwithEquivalentof56mΩRSS(ON)Ultra-***allSOT23-3PackageOnlyOneExternalCapacitorRequiredOver-temperatureProtectionOverchargeCurrentProtection)