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请问这样用bq24103A电池充电可行不?

Other Parts Discussed in Thread: BQ24103A, BQ24161

现在做系统电路,系统的工作电电流最大为为400ma,系统电路上有个bq24103A充电电路给锂电池充电,充电电流设定为500ma。

如果使用usb供电(最大供电电流为500ma),系统电路一路电流给充电,一路给系统工作电流,这样系统电路是否能够正常工作?