标签: aat3688

AAT3688AAT3688USBPortLithium-Ion/PolymerBatteryChargerGeneralDescriptionTheAAT3688BatteryManagerisamemberofAnalogicTech'sTotalPowerManagementIC(TPMIC)productfamily.Thisdeviceisahighlyintegratedsinglecelllithium-ion/polymerbatterychargerICdesignedtooperatewithUSBportinputs.Itrequirestheminimumnumberofexternalcomponents.TheAAT3688preciselyregulatesbatterychargevoltageandcurrentfor4.2Vlithium-ion/polymerbatterycells.DependingontheUSBporttype,theAAT3688chargecurrentcanbeprogrammedfortwoseparatelevelsupto500mA.AnoptionalChargeReductionLoopisbuiltintoallowuserstochargethebatterywithavailablecurrentfromaUSBport,whilekeepingtheportvoltageregulated.Batterytemperatureandchargestatearefully……