简单的电路铅酸蓄电池

摘要：反激式转换器实现电流限制电源铅酸电池充电。MAX668PPM的控制器限制输出电流，回扫变压器，提供电压的上方和下方的电池电压输入的隔离和灵活性。MAX4375电流检测放大器监视充电电流和使用其内部设计的阈值以下的反激式转换器，可以切换到一个较低的充电电压涓流充电模式比较。

Maxim>DesignSupport>AppNotes>BatteryManagement>APP621Keywords:lead-acidbatteries,battery,trickle-charge,boostconverter,flybackconverter,converterAug26,2011APPLICATIONNOTE621SimpleCircuitChargesLead-AcidBatteriesAbstract:Aflybackconverterimplementsacurrent-limitedpowersupplytochargelead-acidbatteries.TheMAX668PPMcontrollerlimitstheoutputcurrent,andtheflybacktransformerprovidesisolationandflexibilityforinputvoltagesbothaboveandbelowthebatteryvoltage.TheMAX4375current-senseamplifiermonitorsthechargingcurrentandusesitsinternalcomparatorthatbelowadesignedthresholdtheflybackconvert