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.

BQ4050: BQ4050 RSOC jump

Part Number: BQ4050

 The BQ4050 RSOC jump at rom temperature.

1.The max error change 100% to 2% when charge and discharge current at 2000mA in the first cycle.

2.The RSOC is not jump when charge and discharge current at 1000mA in second cycle.

3.The RSOC is jump from 9% to 5% when charge and discharge current at 2500mA in third cycle.

D628-D-2S1P-5000-7.6-4050.gg.gg.csvD628-D-0.2C-0.5C.log

  • Hello,

    The max error for the bq4050 represents how the FCC updated, if it updated in a valid range it will give 2% and then increment 1% every 4 cycles. If it updates outside this range it will increase max error up to 100%.

    Can you share the CEDV logs submitted to GPC CEDV? It is also common to have some jumps near EDV with CEDV gauges as it compensates SOC with voltage near the end of discharge. 

    Sincerely,

    Wyatt Keller