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DRV10983-Q1: Phase resistance R and Kt tolerance

PYTsai
Genius 11665 points
Part Number: DRV10983-Q1

Hi 

In our application, the temperature range is from -40C ~ 85C. 

the motor's resistance R and Kt might change a lot. 

May i know what is the  resistance R and Kt tolerance ?

Thanks!

  • 0
    TI__Mastermind 19720 points

    Hi,

    That is an interesting question, The DRV10983-Q1 can deal with a lot of Kt variation because it actually estimate Kt when the device is running and use its estimated. I do not know exact tolerance that R and Kt can change though. You might have to actually experimentally try this in a lab and see if the DRV10983-Q1 can drive the motor when the Kt and R have drifted.

    Regards,

    Michael