RY2231 Datasheet V0.0.9佰泰盛世 单节锂离子电池和锂聚合物电池保护IC.pdf

RY2231

OneCellLi-ionandLi-polyBatteryProtectionIC

Features

•ProtectionofChargerReverseConnection•50mΩLowRSS(ON)InternalPowerMOSFET

•ProtectionofBatteryCellReverseConnection•DelayTimesaregeneratedinside

•Over-TemperatureProtection•High-accuracyVoltageDetection

•OverchargeCurrentProtection•LowCurrentConsumption

•Two-stepOvercurrentDetection:OperationMode:0.7μAtyp.

OverDischargeCurrentPower-downMode:0.4μAtyp.

LoadShortCircuiting•ResistorandCapacitorinside

•ChargerDetectionFunction•AvailableinDFN4-1×1Package

•0VBatteryChargingFunction•-40°Cto+85°CTemperatureRange

Applications

•One-CellLi-ionBatteryPack•One-CellLi-polyBatteryPack

•PowerBank•IOTSensor/ElectronicToys/WearableDevices

GeneralDescription

TheRY2231isahighintegrationsolutionforlithium-ion/polymerbatteryprotection.RY2231containsinternal

powerMOSFET,high-accuracyvoltagedetectioncircuitsanddelaycircuits.RY2231hasalltheprotection

functionsrequiredinthebatteryapplicationincludingovercharging,overdischarging,overcurrentandloadshort

circuitingprotectionetc.Theaccurateoverchargingdetectionvoltageensuressafeandfullutilizationcharging.The

lowstandbycurrentdrainslittlecurrentfromthecellwhileinstorage.Thedeviceisnotonlytargetedfordigital

cellularphones,butalsoforanyotherLi-IonandLi-Polybattery-poweredinform