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请推荐一款4.2V锂电池充放电管理的IC,谢谢!

Other Parts Discussed in Thread: BQ2057C, BQ27742-G1

请大家推荐一款4.2V锂电池充放电管理的IC,充电电流1000mA Max,放电电流200mA Max。

要求:希望外部5V电源接入系统充电时,既能给锂电池充电,也能给负载供电;当外部5V电源断开时,锂电池能马上给负载供电。
初步看了一下BQ2057C,但这款好像只能充电,不能放电给负载。


谢谢!