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BQ40Z50-R2: BQ40Z50-R2 SOH query

Star Xu
Genius 9645 points
Part Number: BQ40Z50-R2
Other Parts Discussed in Thread: GPCCHEM, BQ40Z50

Hi 

I have a query need your help.

After learning cycle, the FCC updated and larger than design capacity.

but the SOH is only 99%. Why the SOH doesn't reach 100%? The design capacity is 4750mAh. After learning cycle is completed, Qmax has been updated and the FCC updated to 4850mAh.

Load selection 3

Load mode 1

Waiting for your reply.

Thanks

Star

  • 0
    TI__Mastermind 25575 points

    Hi Star,

    How was the ChemID determined for this cell? Was the GPCCHEM tool used?

    Can you please tell me if the SOH FCC max is the same as the Design Capacity?

    Regards,

    Anthony Baldino

  • 0 in reply to Anthony
    TI__Genius 9645 points

    Hi Anthony 

    Thanks for your reply.

    SOH FCC update is only 4735mAh. FCC was 4816mAh during discharge and updated to 4766mAh after 5 hours of rest. Qmax parameter updated to 5187mAh.

    Please help check it.

    Thanks

    Star

  • 0 in reply to Star Xu
    TI__Mastermind 25575 points

    Hi Star,

    Can you please tell me which firmware version is being used for this bq40z50?

    Regards,

    Anthony Baldino