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BQ24297: Recognize as unknown device

Part Number: BQ24297


HI

Our product is charged with USB port or cradle, and the adapter used for charging is only two lines, vcc and gnd (no usb line).
When recharging the cradle for a short time, it may be recognized as an intermittent unknown.
If it is recognized as an unknown device, resetting the adapter power will recognize it as a normal adapter.
 
Questions:
In the datasheet 9.3.1.3.4,
I think it happens when the charging terminal is reinserted in DCD 0.5 sec timer. Is that correct?

If it is recognized as an unknown device, I would like to ask you if there is a way to reset the ic by using i2c.
Or is there a way to recognize it in another way?