使用MSP430F5529 LaunchPad时不小心将板子右下角GND和3.3v短路，电脑提示USB过流。之后板子可以正常使用，但是主控芯片发热严重烫手。不敢长时间供电。
供电电压采用电脑USB或者3.3V都发热。
请问这是哪里的问题，是主控芯片烧坏了么，给板子换个芯片可以么
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