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BQ34Z100-G1: update status stayes at 0x06 after learning cycle

Yunfeng TANG
Intellectual 300 points
Part Number: BQ34Z100-G1
Other Parts Discussed in Thread: BQ34Z100

Hello, 

I don't understant why the update status remains at 0x06...

After a successfull learning cycle, I fully charged and fully discharged the battery, but it stayed at 0x06. Since that day it never changed, even though I ran several more cycles... 

What is the consequence of this?

What can I do?

Should I write the value myself?

Thanks,

yf

  • 0
    TI__Guru** 105990 points

    Hello,

    This indicates the battery pack is fully learned, the update status should not increment further than 0x06 for this gauge.

    Sincerely,

    Wyatt Keller

  • 0 in reply to Wyatt Keller
    Intellectual 300 points

    Thanks, 

    Could you then explain to me how to do this (found in slua903):

    "Before saving the Golden File, set Update Status to 02 to disable IT gauging, set the Qmax Cycle
    Count to 0, and set the Cycle Count to 0. For a pack side gauge, this ensures that when the pack is
    assembled and gauging and lifetime data is enabled, the cycle counts start from 0."

    I can write 02 in the update status, but I don't know how to set cycle count in bq...

  • 0 in reply to Yunfeng TANG
    TI__Genius 11535 points

    Hi Yunfeng,

    I apologize for the late response. There is no Qmax Cycle Count on the BQ34z100 but there is a cycle count under Gas Gauging:State and one under Configuration:Data. Please set both to 0.

    Best,

    Jessica