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BQ24392: Asking for the recommendation on BQ24392 design

Part Number: BQ24392

Hi Team,

Customer is using BQ24392.

1. VBUS always be 5V.

2. USB device here is UFP, DP default pull up to 3.3V by 1.5Kohm and DN default is floating.

3. GOOD_BAT always pull up to 3.3V after VBUS on.

4. In this case, we find CHG_AL_N = 0, CHG_DET = 0 and SW_OPEN =0.

 

For this case, which device is for above conditions? Standard charging port? Is the switch status connected?

Form the d/s table 1 detection table, it is not define this scenario. Would you please review and provide your comments?

 

 

BR,

SHH