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TUSB2046B: TUSB2046B PWRON1 pin question

Part Number: TUSB2046B

Hi team,

Our customer said that

when the AC contact is repeatedly connected, the TUSB2046B PWRON1 signal abnormal changes from LOW to HI, and produce a wrong control signal.

They want to know what will affect PWRON1 signal, and how to fix it.