提高直流-直流电压调节器转换为电池充电电流源

摘要：一个推动与MAX1771直流-直流控制器内置的直流-直流控制器使可用于电池充电的简单开关电流源。电压控制回路禁用当前控制循环提供了监管。

Maxim>AppNotes>BatteryManagementPower-SupplyCircuitsKeywords:DC-DCconverter,switch-mode,currentsource,MAX1771,batterycharger,Ni-Cd,NiMH,NickelJul09,1998Cadmium,NickelMetalHydride,dcdccontroller,batterychargingAPPLICATIONNOTE113BoostDC-DCVoltageRegulatorConvertsToCurrentSourceforBatteryChargingAbstract:AboostDC-DCcontrollerbuiltwiththeMAX1771DC-DCcontrollermakesasimpleswitch-modecurrentsourcethatisusefulforbatterycharging.Thevoltagecontrolloopisdisabledsothatthecurrentcontrolloopprovidesregulation.TheswitchingregulatorofFigure1includesindependentloopsofcurrentandvoltagefeedbackformaintainingregulation.Bydisablingthevoltageloop,youcanusethecurrentlooptoimplementagener