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TI提供的原理如下:
此电路中U3作用是什么?为什么不去掉U3,短接J6?
楼主你好!
U3起到锁存的作用,TRP信号有可能是脉冲,不会一直保持。U3的作用是锁存TRP信号,表示曾经有TRP信号,直至软件通过CLR-FAULT清零。