使用MCP73871 Li-IonLi-Poly电池充电系统的负载分担管理设计指南
TherechargeableLi-Ion/Li-Polybatteriesarewidely
usedintoday’sportableConsumerElectronics(CE).
CommonlyseenLi-PolybatteriesareLi-IonPolymer
batteriesthatuseasolidpolymerseparatorandshare
thesamechargealgorithmwithLi-Ionbatteries.Thus,
Li-IonbatterieswillrepresentbothLi-IonandLi-Poly
batteriesinthisapplicationnote.Becauseofthe
growingfeaturesandtheincreasingsizeofthedisplay
inaportableelectronicproduct,thebatteryusageis
alsomodifying.Thedailybatterychargingfrequency
increases,anditbecomesimportanttooperatea
devicewhilechargingitsbattery.
Thetraditionalmethodtodesignabattery-powered
systemistoconnectthesystemloaddirectlyonthe
battery.Thesystemloadcontinuouslydischargesthe
Li-Ionbatteryandcostsabattery’slifecycle.Inorderto
maximizethelifecycleofLi-Ionbatteries,itis
recommendedtoterminatethechargeproperlyand
powerthesystemfromtheinputpowersupply,whenitAN1260Li-Ion/Li-PolyBatteryChargeandSystemLoadSharingManagementDesignGuideWithMCP73871isavailable.TopreventoverchargingLi-Ionbatteries,Author:BrianChuanelapsetimerisusuallyrequiredasasecondaryMicrochipTechnologyInc.methodtoturnoffthebatterychargeactivities,beforeaproperterminationconditionismet.Minimumcurrent
