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BQ34Z100-G1: error in the value of maxerror

micou ludovic
Expert 1215 points
Part Number: BQ34Z100-G1

Hello,

I have a fuel gauge BQ34Z100-G1 and after many connection deconnection with the battery, the MAX ERROR read by the  battery management studio is -111. the datasheet indicate that the MAX ERROR between 1 to 100. Why have I the value of MAX ERROR to -111?

Thanks.

  • 0
    TI__Mastermind 25955 points
    Hi Micou,

    As you have pointed out, the max error should be between 1 and 100. If you can replicate this while logging, please post a log showing the max error trending towards negative numbers so we can diagnose.

    To fix normal max error issues (for example, when CF bit flips) please run a learning cycle, ensuring DOD0 and DOD1 both set properly.

    Sincerely,
    Bryan Kahler
  • 0 in reply to Bryan Kahler
    TI__Mastermind 25955 points
    Hi Micou,

    If the above response helped resolve your question, please click on the 'This Resolved my Issue' button below to improve the find-ability of this response for others that may have the same issue. Thanks!

    Sincerely,
    Bryan Kahler