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BQ24610充电使用一段时间后输出不正常的问题。

user6484886
Prodigy 20 points

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