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TPS82361被同线路的220V的荧光灯开关过程干扰,芯片总是复位.有什么好的办法来减少220V的干扰

Other Parts Discussed in Thread: TPS23861

PoE的芯片TPS82361的工作不稳定,在220V的线路上.开关荧光的日光灯,导致芯片的总是被复位,寄存器的数值被复位了,测试看是220V在开灯的瞬间影响到了整机的电源不稳定,TPS82361有复位的过程.系统的电源经过了AC-DC到12V,24V ,DC-DC的3.3v 的2次转换,还是被220V的日光灯开关干扰.测试看是在开关灯的时候,有干扰在DC12V,DC48V上.并且地也被干扰,地是浮空的设计.也被干扰. 有什么好的办法来减少220V的干扰.