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BQ34Z100-G1: Chem ID using GPC Tool

Shilpa Anbalgan
Prodigy 70 points
Part Number: BQ34Z100-G1
Other Parts Discussed in Thread: GPCCHEM

Tool/software:

Hi , we recently performed a Cell characterization in-house and tried to generate a chem ID using GPC Tool. Followed instructions per TI's document SLVA_725. This is a LiFePO4 100Ah cell. GPC tool generated a closest Chem ID 4171 with 6.27% error rate , in BQ34Z100-G1 chipset. Attached all necessary logs in this ticket. Please guide us through next steps, what we are doing wrong?

 GSP34135192F100Ah蝴蝶焊0.5C循环规格书A2-20241217.pdf

channel17.zip

channel17-report.zip

  • 0
    TI__Mastermind 26595 points

    Hello Shilpa,

    I've attached a GPCCHEM video to better assist you but it seems like you didn't have the C/100 taper current charge in your GPCCHEM submission and it could be what is missing to attain a more accurate ChemID along with calibration. Currently your cells don't fit within our chemID library and would need to be sent to TI for cell characterization.

    GPCHEM video:
    https://www.ti.com/video/5811313406001

    Thank you,
    Alan