我们新近做了个PCB电路板,采用TMS320305F28335PGFA,原理采用TI官方提供的原理外设,调试时发现电源引脚附近有烟冒出,仔细观察甚至会有火花冒出,但芯片还能工作。请问什么原因会导致这种现象
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我们新近做了个PCB电路板,采用TMS320305F28335PGFA,原理采用TI官方提供的原理外设,调试时发现电源引脚附近有烟冒出,仔细观察甚至会有火花冒出,但芯片还能工作。请问什么原因会导致这种现象