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BQ34Z100: if re-supply BQ34Z100, what parameters will change and what will keep?

Yuan Tan63
Expert 3280 points
Part Number: BQ34Z100

Hi,

customer need to cutoff power supply in some cases then restart it later, so after that, could you please tell us what parameters will change and what will keep? like will SOH change? I can't find it through datasheet.

thank you!

Best regards,

Yuan

  • 0
    TI__Guru** 105590 points

    Hello Yuan,

    When the gauge goes through a POR it will recalculate all the RAM values (SOC, FCC, RemCap, TmeToEmpty, SOH, etc) The other values will remain saved in flash (Qmax, Ra tables, and other programmed design parameters)

    When the gauge wakes up again it will recalculate these values based on the voltage of the pack.

    Sincerely,

    Wyatt Keller