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BQ40Z50-R3-DEVICE-FW: Maximum Turbo Current Can't reach setting value

Tsai Deng Yu
Prodigy 10 points

Part Number: BQ40Z50-R3-DEVICE-FW

Hi,

I'm using bq40z50-R3 and set Design Capacity to 8200 mAh, then I set Turbo Cfg: Ten Millisecond MAX C Rate to -4.0 C.

but when I Read the Maximum Turbo Current, it's only show -26319 mA, doesn't reach the setting value, does any anther setting will limit the Maximum Turbo Current?

Thank you.

  • 0
    TI__Genius 12215 points

    Hi,

         bq40z50 would calculate the MPPC based on Rhf, Reff, Pack Resistance and System Resistance and the present DOD of the pack, once the calculated value is less than -0.4C, it will adopt the calculated value instead of the Max MPPC value stored in dataflash