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DRV8312-C2-KIT: Speed control of BLDC Motor using POT in DRV8312EVM

Vijayanarayana R
Prodigy 20 points

Part Number: DRV8312-C2-KIT

Good Evening all 

I am trying to control the speed of a Small BLDC motor using the pot provided in the DRV8312 EVM  , i am using F28035 control card and i currently running the BLDC_Sensor less code. My ADC is working fine and i need to input the same vaule to  speedref variable in the code,Could any throw me some light on how i can do the same. The question may be primitive pls help

  • +1
    TI__Guru** 109810 points

    Change the ADC configuration to set a ADC channel for sampling the input from the POT, and convert the ADC result to reference value with _IQ format.

    The simple formula is that _IQ(ADC result / 1024).

    “Thanks for your questions on the solutions in controlSUITE.  I’d like to point out that these solutions in controlSUITE are about 10 years old and haven’t had any updates in that time. We recommend our customers use our latest generation of devices which are supported for InstaSPIN-FOC, other sensorless techniques, and sensored servo control through C2000Ware-MotorControl-SDK”

  • 0 in reply to Yanming Luo
    Prodigy 20 points

    thank you i am able to control the speed of the BLDC motor will check the updated version of C2000ware-Motorcontrol SDK