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BQ40Z80同时触发COV和SOV



1.现收到一组客诉电池,连上通讯发现同时触发了COV和SOV;

2.查看Lifetime记录,电池最高电压达到4.4V以上;

2.设置的COV为:4.25V延时1S,设置的SOV为:4.4V延时5S;

3.经测试,充电MOS管功能正常无损坏;

如果电池电压达到4.25V后1S即会触发COV,关断充电MOS管后无法继续充电,那么电池电压怎么会达到4.4V