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DLPA3000: DLPA3000芯片突然烧坏,LED+对gnd短路。

Part Number: DLPA3000

遇到和这篇帖子一样的问题,也是DLPA3000芯片刚开始是好的,突然某一次点不亮了,发现LED+对GND短路,导通电阻只有几欧的情况。更换了好几片DLPA3000芯片,都会出现同样的问题。

https://e2echina.ti.com/support/dlp/f/dlp-products-forum/153524/dlpa3000-led_anode

不知道楼主最后查出来是什么问题没??