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请帮忙推荐个充电ic,usb接口的

Other Parts Discussed in Thread: BQ24050

请帮忙推荐个充电ic,给单节锂电池充电,最大充电电流在500ma。

电路只有一个usb接口,当电路连接电脑usb,充电电流在200ma;当电路连接usb适配器(适配器(输出为5V1A),充电电流在500ma,充电ic可以识别电脑usb接口和usb适配器接口,请问有没有这种充电ic?谢谢