你好!麻烦推荐一款充电管理芯片,可以实现双电压充电,4.2V和8.4V,(要是两个电压能同时实现充电就更完美了,不行的话,单个电压也行),芯片能自己判断单节或双节电池,充电电路有500ma-1A即可,谢谢!
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