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BQ40Z50: high rate discharge optimization

Part Number: BQ40Z50
Other Parts Discussed in Thread: BQSTUDIO

Hi, engineer

I have a battery with high rate discharge. In bq40z50,how do I optimize the  Prime Relax Time, Sec. Relax Time, Resistance Parameter Filter, Resistance Parameter Filter, Dis Relax Time Min and OCV Wait Time
?
What scheme do you suggest?

  • Hello,

    Please provide BQZ file. Also FW version and FW build. 

    With this info I can inform the memory addresses to write to.

    If using BQStudio, please get the info from here.



    Regards,
    Jose Couso

  • Thanks for your reply,

    The picture following is device_number...

    In regard to BQZ file,does it mean gg file and srec file?I can't load on them directly here.Could you give me a email? I will send them to you.

  • Hi Lion,

    Prime relax time -> address = 0x4740. Units in seconds. Data length = 2

    Sec relax time -> address = 0x4742. Units in seconds. Data length = 1

    Resistance parameter filter -> address = 0x4754. Data length = 2

    Dis relax time min -> address = 0x4788. Units in seconds. Data length = 2

    OCV wait time -> address = 0x4743. Units in seconds. Data length = 2

    Regards,
    Jose Couso