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给6678供电的UCD9222+7242出现FLT,关闭输出output off。

Other Parts Discussed in Thread: UCD9222

专家好

我们实验室自己开发的6678板卡,电源方案采用的是UCD9222+7242.刚上电的时候,连接ccs,跑程序都正常,但是一会ccs就打印说读不了寄存器了。

我们就用usb to gpio 监控了电压,发现output off了,如下图。

请问是什么原因导致不输出电压?

鼠标指针放到FLT也没指示出具体什么错误

求指点,谢谢!