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BQ34Z100-R2: LTO ChemID selection

Statham Su
Genius 4990 points
Part Number: BQ34Z100-R2

Hello Sir:

We update this attached file to GPC tool.

But which report out has no useful ChemID.

Would you please double confirm which is correct or not?

Looking forward your feedback.

Thanks a lot.

20240304.zip

20240304-report.zip

  • 0
    TI__Mastermind 37761 points

    Hey Statham,

    I reviewed that file. Can you send me the datasheet for your battery. Two things that I noticed, one I don't believe that there was a CV charge implemented. Second, the discharge current doesn't seem to be constant current. These two concerns are probably why a valid chemID was not returned from the tool.

    Regards,
    Nick Richards

  • 0 in reply to Adrian
    Genius 4990 points

    Hi Nick:

    Customer updated below ppt for us.

    Please kindly refer it.

    Thanks a lot.

    LTO spec.pptx

  • 0 in reply to Statham Su
    TI__Mastermind 37761 points

    Hey Statham,

    Thank you for providing this information. Yes, I believe it is best if they reattempt the learning cycle process. They also discharge the battery at a high rate than the guide specified.
    When they rerun the test, make sure they implement a CV charge. Also, they need to discharge the battery at 2000 mA (C/10).

    Regards,
    Nick Richards