This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

我设计的TPA3116D2板子经常出现砰砰声,总是烧芯片!

Other Parts Discussed in Thread: TPA3116D2

 如题,开始用的耦合电容质量不好有点漏电,确实会导致砰砰声(喇叭前后吸合,一吸一弹的,一秒钟一次)换了电容就好了,重新生产一批用的是红宝石的电容故障依然出现这个问题,换电容也不行,确定是芯片烧了,换个芯片就好了。不知是不是设计问题,附图一张!