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BQ24170充电只有预充电200mA的电流



设置充电电流为2A,但充电一直都是200mA的充电电流。

设置充电电流为4A时,充电电流为400mA。即1/10的预充电状态。

请问是什么原因呢?

另:我的实际回路中BATDRV为OPEN(即R14、Q3为OPEN).