MicrochipTechnologyMCP73xxChargeManagementControllersenhancethesafetyandefficiencyofbattery-poweredapplicationsbyprovidingovervoltageprotection,high-accuracyvoltageregulation,andanintegratedpasstransistor.TheMicrochipTechnologyMCP73xxfamilyprovidesspecificchargealgorithmsforLi-Ion/Li-PolymerandLiFePO4batteriestoachieveoptimalcapacityandsafetyintheshortestchargingtimepossible.TheseMicrochipTechnologyChargeManagementControllershaveamaximuminputvoltageof18VandcomewithanOVPsetpointof5.8Vand6.5Vforthesingle-cellMCP73113andMCP7314andanOVPsetpointof13Vforthedual-cellMCP73213andMCP73123.Thesedevicesalsoofferavarietyofcharging-voltageoptionsforbothLi-IonandLiFePO4batteries.
MCP73833-AMI/UNCompleteLinearChargeManagementController:
IntegratedInputOvervoltageProtection
IntegratedPassTransistor
MCP73833-AMI/UNIntegratedCurrentSense
IntegratedReverseDischargeProtection
ConstantCurrent/ConstantVoltageOperationwithThermalRegulation
4.15VUndervoltageLockout(UVLO)
18VAbsoluteMaximumInputwithOVP
HighAccuracyPresetVoltageRegulation
BatteryChargeVoltageOptions:3.6,4.10V,4.20V,4.35V,4.4V,7.2V
ResistorProgrammableFastChargeCurrent:130mAto1100mA
PreconditioningofDeeplyDepletedCellsAvailableOptions:10%orDisable
IntegratedPreconditionTimer:32MinutesorDisable
AutomaticEnd-of-ChargeControl
SelectableMinimumCurrentRatio:5%,7.5%,10%or20%
ElapseSafetyTimer:4HR,6HR,8HRorDisable
MCP73833-AMI/UNAutomaticRechargeOptions:95%orDisable
FactoryPresetChargeStatusOutput:On/OfforFlashing
Softstart
MCP73833-AMI/UNTemperatureRange:-40°Cto+85°C
Packaging:DFN-10(3mmx3mm)
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