This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

BQ27531-G1: SOC gap after inserting battery

Part Number: BQ27531-G1


Q1 Is the SOC gap appropriate? It seems that there is a large gap.(20% point)


a)Full Charge
b)Discharge to target point by using passed charge.
c)Rest 10min
d)Remove and insert battery, then check the SOC.
  ※gauge/charge IC is in system side.

d)Repeat b)~d)

follow is the result.

SOC check points  Calculate SOC
100%     99%
90%      89%
80%      79%
70%      69%
60%      59%
50%      48%
40%      37% 
30%      27%
20%      14%
10%      8%
5%      4%

※room temperature
※learning cycle completed

Q2 Should Qmax delta and Ramax delta be large when conducting a learning cycle?
   If default,is Ra table used in Q1 incorrect?