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BQ7695202 COV问题



BQ7695202 在COV保护之后继续提高电压直到SOV置起后,手工降低到正常电压后COV恢复,SOV置起,手工解除SOV后,再调高电压到COV保护电压,持续好长时间后,COV不置起,无保护功能,整个PCB断电后重新上电才可以COV保护,不知道什么原因?