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BQ77915均衡问题

Other Parts Discussed in Thread: BQ77915

你好,我的BQ77915的原理图如下,现在我想给4接18650的电池充电,跳过均衡芯片就能正常充电,不跳过均衡芯片就无法正常充电,能帮忙看下我的BQ77915的电路设计是否有问题吗?谢谢PS:电池电压均为4.1V左右,R49是普通10K电阻。