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BQ51025: Question for the Abnormal AC1/AC2 operation.

Part Number: BQ51025

Hi,

We're testing bq1025EVM-649 but have a problem reagarding to the AC1/2 input operation.

When there is load regardless the amount, one of the AC inputs looks different from the other AC input as below screenshot. 

In our opinion, both AC inputs should show same or similar graph but one the the AC inputs does not. We think there is some broken part related to AC input.

 Would you help us how to find the way to fix this board.

(If this operation is normal, please explain the details.)

Thanks in advance,

Glenn,