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TMS320F280049C: tida_01604参考设计中DCAEVT1触发条件

Part Number: TMS320F280049C


你好,在TMS320F280049C: tida_01604的参考设计中,TZ1,TZ2,TZ3触发是驱动Fault信号,还有DCAEVT1信号由trip4触发置高,那trip4是由什么决定的呢,是过流保护信号吗,具体是哪个比较器的输出。因为我在用类似的去除仿真器部分后的控制卡测试时,TZFLG.DCAEVT1一直是高,但我还没有加功率,按理来说也不会触发过流保护这些。