你好,我的PCB上使用了一个bq24167芯片,根据datasheet上的提示:The thermal pad must be soldered directly to the printed circuit board(PCB),问题是:我把这个thermal pad 焊到了板子上,估计没有接地,芯片上电后发热比较严重,摸上去很烫手,是不是这个芯片正常工作就放这么多热量,必须要接地散热呢?请速回复,谢谢!
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