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BQ24610充电使用一段时间后输出不正常的问题。

20V的输入给16.8V电池组充电,遇到的问题是初始充电正常,在使用一段时间后,有部分板子出现了输出电压不正常的情况,比如,输出电压降到了8.3V,芯片Vref正常,REGN 6V也正常,BST电压降到了8.3V,高边驱动和PH也都在8.3V这个水平,stat1指示灯闪烁。

5340.sch.pdf