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BQ76930: AFE acquisition abnormality

Part Number: BQ76930

Tool/software:

Dear team,

I used BQ7693000DBT,cquisition abnormality.

1.The AFE power supply is not isolated separately, and under the load of the power network, the first string of data collection has a deviation of 50-70mV (the larger the current, the greater the deviation);

2.After enabling equalization of AFE, the next string of data acquisition is too high (enabling equalization of the fifth string results in a 30mV increase in the sixth string).

What can causes the above abnormalities?