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DRV11873EVM: DRV11873 FG output vs actual motor speed

Lance Hsu
Prodigy 10 points
Part Number: DRV11873EVM
Other Parts Discussed in Thread: DRV11873

I am using DRV11873EVM to drive GB2208 motor (from http://store-en.tmotor.com/goods.php?id=447

  • 0
    TI__Intellectual 770 points

    Lance,

       From the subject, I would guess that you would like to calculate FG frequency to RPM.

       The following equation for your reference.

       RPM= (FGx60)/pole pairs, where FG is in hertz(Hz).

       This equation is in DRV11873 datasheet page 10 as well http://www.ti.com/lit/ds/symlink/drv11873.pdf

       If you need different or other information, please feel free to let me know. Thank you.

    Thanks again,

    Janet