我用BQ4050做了4串电池组,测试时发现:过放保护后PCHG置位。
但是我将Precharge Start Voltage 设成了1.75V(过放保护电压为2.5V),同时PCHG_COMM置1。
所以我想问预充电MOSFET开启条件是什么? 我上面的设置电池电压不可能到1.75V为什么会开启PCHG?
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