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UCD9248 电源芯片问题

Other Parts Discussed in Thread: UCD9248

TI工程师:

我用的一个FPGA板子电源灯不亮,初步怀疑是DCDC芯片的问题,板上共有3个UCD9248芯片,其中一个芯片周围器件测得多处短路,结果如下图:

为确定是否此UCD9248芯片损坏测试了其80个管脚的对地电阻,发现其中几个异常端口:

未通电情况下测得PIN8(V33DIO),PIN10(SEQ-3),PIN12(SRE-1A),PIN13(nRESET),PIN14(TRCK),PIN56(V33DIO),PIN57(V33D),PIN58(V33A)都对地短路。

好像数字和模拟的3.3V输出有问题,请问这种情况可以确定是需要重新编程吗(暂时没有编程器)?还是芯片损坏?请帮助分析一下可能的问题,谢谢