ThePW4064isachargerfront-endintegratedcircuitdesignedtoprovideprotectiontoLi-ionbatteriesfromfailuresofchargingcircuitry.Thedevicemonitorstheinputvoltage,batteryvoltageandthechargingcurrenttomakesureallthreeparametersareoperatedinnormalrange.ThedevicewillswitchoffinternalMOSFETtodisconnectINtoOUTtoprotectloadwhenanyofinputvoltage,outputcurrentexceedsthethreshold.TheOvertemperatureprotection(OTP)functionmonitorschiptemperaturetoprotectthedevice.ThePW4064alsocanprotectthesystem’sbatteryfrombeingoverchargedbymonitorsthebatteryvoltagecontinuously.Thedeviceoperateslikealinearregulator,maintaininga5.1Voutputwithinputvoltagesuptotheinputover-voltagethreshold.ThePW4064is***ailableinDFN-2x2-8Lpackage.StandardproductsarePb-freeandHalogen-free.FEATURESMaximumInputVoltage:24VProgrammableOCP:Upto1.5AInputOVP:6.8VOVPResp***eTime:LessThan1usBatteryOVPthreshold:4.35V(Typ.)OverTemperatureProtectionSoft-StarttoPreventInrushCurrents)