Thebq2407xseriesofdevicesareintegratedLi-ionlinearchargersandsystempowerpathmanagementdevicestargetedatspace-limitedportableapplicati***.ThedevicesoperatefromeitheraUSBportorACadapterandsupportchargecurrentsupto1.5A.Theinputvoltagerangewithinputovervoltageprotectionsupportsunregulatedadapters.TheUSBinputcurrentlimitaccuracyandstartupsequenceallowthebq2407xtomeetUSB-IFinrushcurrentspecification.Additionally,theinputdynamicpowermanagement(VIN-DPM)preventsthechargerfromcrashingincorrectlyconfiguredUSBsources.Thebq2407xfeaturesdynamicpowerpathmanagement(DPPM)thatpowersthesystemwhilesimultaneouslyandindependentlychargingthebattery.特性FullyCompliantUSBChargerSelectable100mAand500mAMaximumInputCurrent100mAMaximumCurrentLimitEnsuresCompliancetoUSB-IFStandardInputbasedDynamicPowerManagement(VIN-DPM)forProtectionAgainstPoorUSBSources28VInputRatingwithOvervoltageProtectionIntegratedDynamicPowerPathManagement(DPPM)FunctionSimultaneouslyandIndependentlyPowerstheSystemandChargestheBatterySupportsupto1.5AChargeCurrentwithCurrentMonitoringOutput(ISET)ProgrammableInputCurrentLimitupto1.5AforWallAdaptersSystemOutputTracksBatteryVoltage(bq24072)ProgrammableTerminationCurrent(bq24074)BatteryDisconnectFunctionwithSYSOFFInput(bq24075,bq24079)ProgrammablePre-ChargeandFast-ChargeSafetyTimersReverseCurrent,Short-CircuitandThermalProtectionNTCThermistorInputProprietaryStartUpSequenceLimitsInrushCurrentStatusIndication–Charging/Done,PowerGood***all3mm×3mm16LeadQFNPackageAPPLICATI******artPhonesPortableMediaPlayers)