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UCD9222和UCD7242电源无输出

Other Parts Discussed in Thread: UCD9222, UCD7242

我参考TI官方6678开发板,设计了一块自己的印制版。我采用UCD9222和UCD7242为6678 DSP供电,其原理图设计与官方完全一致。

在调试电源过程中,发现电源的两路通道没有正常输出。我对UCD9222加载TI官方开发板提供的配置文件,先后拉高Control Line#1和#2,结果如附件所示。 

请问到底问题出在哪?如何一步步排查和解决问题?具体情形见附件。UCD9222问题附件.zip