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Does bq27546 firmware support chemisty id other than default?

Arnaud Devie
Prodigy 60 points
Other Parts Discussed in Thread: BQSTUDIO

Can the chemistry id be updated using bqStudio and a bq27GDK with a bq27546 fuel gauge?

My initial observation it no it cannot but I would like confirmation.

Do you have a list of fuel gauge part numbers with firmware compatible with chemical ids other than the default?

Is this only available with 2-4S fuel gauge ICs?

Thank you.

  • 0
    TI__Prodigy 370 points

    Hi Arnaud,

    It is possible to update the Chemistry ID of the bq27546. In bqStudio click on the "Chemistry" tab to open the Chemistry Programming page. Then select the Chem ID that you would like to use and click the "Update Chemistry from Database" button. 

    All of the bq275xx gauges are compatible with other Chem ID's than the default, while the bq274xx gauges are not compatible with different Chem ID's

    It is also available for single-cell gauges.

    Sam

  • 0 in reply to Samuel Allen
    Prodigy 60 points

    Thank you Sam for your help.

    I got confused by the "right-click" instruction in the chemistry tab of bqStudio.