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Original question:

BQ27531-G1: BQ27531-G1 Learning is fail

BQ27531-G1: GHRG_FAULT : Charge timer expiration

Shunsuke Nagata
Genius 13090 points
Part Number: BQ27531-G1

Hi,

I would like to know detail about Charge timer expiration. 

I set CHG_TIMER[]1:0] to 00 (= 5 hrs) and run for 2 hours with IINLIM[2:0] = 150mA.  Charge timer expiration fault is occurred in this condition.

It doesn't expire 5 hour but took charge timer expiration... As I checked SOC, it would be 0x27 (39%)

I'm not sure the reason why charge timer expiration is occurred. Could you please let me know all of condition to set charge timer expiration and give me advice why it would be set in this condition?

Regards,
Nagata.