TO 各位前辈:
最近在实际生产中经常出现BQ77PL900DLR的电压测试PIN出现破损异常!
电芯为7节串联,帮BQ77PL900DLR使用时也是用了7个pin!
在PCB与治具接触时,经常会出现第7pin 破损,量测6pin 与 7pin 之间阻抗,为0.1K;
IC被不知明原因击破了!
确认瞬间加压,应该不超过5V;
理论上是不会破损IC的;
想问前辈们是否有此情况?
什么原因,如何解决的?
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