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我的EXP432 LaunchPad有一块芯片烫手

昨天刚到的EXP432 LaunchPad,连上电脑上电之后发现有一块芯片十分烫手,换了USB接口和电脑也是如此,从电路图上看应该是IC101,TPS73533。驱动装上了,板子可以正常工作,CCS6.1也可以调试,但是很烫,请问这是什么情况啊?