自己做的28335的板子，电源采用的是tps767D301，发现板子虽然可以连接下载，但是电源发热特别严重，烫手。检查后发现1.9v的电源连接到dsp时，电源芯片温度就会上升。怎样才能有效的解决电源芯片发热呢？
另外，最近做实验时，出现了1.9v和地短路，是不是dsp烧毁了？
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