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tps767d301

 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?