最近在测试5s锂电池组的过程中,发现PC上位机通过EV2300连接bq40z80时,可以正常进行充放电,各种状态寄存器也争取。去掉EV2300时,延时几秒后,充电停止,此时充电MOS管关闭,放电MOS管打开,但Vgs电压比正常值低2V。这是什么方向问题?
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