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BQ25606充电电流无法达到设定值

Other Parts Discussed in Thread: BQ25606

BQ25606电路配置如上图,本意是实现对两并20Ah、3.7V锂电池的3A充电。

但现在实测电池3.8V,用台式万用表测得电池端充电电流只有1.7A左右。检查了电阻配置,似乎也没有错。

可能是什么原因呢?