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MMWAVEICBOOST: 电源问题

Part Number: MMWAVEICBOOST
Other Parts Discussed in Thread: IWR6843AOPEVM

我在使用5V,3A的适配器给MMWAVEICBOOST+DCA1000+IWR6843AOPEVM中的MMWAVEICBOOST供电时,第一次接上时MMWAVEICBOOST的LED灯都正常工作,在拨动了DCA1000的SW3之后,断电再次给MMWAVEICBOOST供电时只出现电源led等闪烁的情况,其他led灯都不能正常工作。请问这是板子烧坏了吗?非常恳请您的解答。