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BQ78350-R2-DEVICE-FW: bq78350

GURURAJ TALEWAD
Intellectual 445 points

Part Number: BQ78350-R2-DEVICE-FW

Sir,

I can read the data from IC but unable to write or change. 

  • 0
    TI__Guru 54715 points

    Hi Gururaj,

    When the BQ78350-xx sees  a voltage missing which is identified in the cell map, it will turn off the BQ769x0.  The default configuration for the AFE cell map for the firmware is 3 cells in the minimum configuration allowed by any BQ769x0 family member (the BQ76920).  Typically when changing the AFE cell map from a higher cell count to a lower one, the BQ78350 will see the missing cell and turn off before the change can be made.  To avoid this, simulate a small charge current to keep the gauge awake, see the description near the end of section 6.4 of the  EVM user guide http://www.ti.com/lit/slvu925 . 

    If this does not solve the issue please describe further.