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DRV8412: Stepper motor driver recommendation

d_zero
Genius 4440 points
Part Number: DRV8412
Other Parts Discussed in Thread: DRV8711

Dear *,

which integrated driver would you recommend for the NEMA 34 Hybrid stepper motor 34HS1456 ?

https://cdn-reichelt.de/documents/datenblatt/X200/34HS1456.pdf

What yo you think about using DRV8412?

Best Regards,

D.

  • 0
    TI__Guru 54645 points

    D,

    You might want to consider the DRV8432 to support more current with external heatsink.  Or, you can consider DRV8711 and use external, low Rdson FETs, to remove need for heatsinking.

    Regards,

    Ryan

  • 0 in reply to Ryan Kehr
    Genius 4440 points

    Hi Ryan,

    thank you for the feedback. i like the idea to use DRV8711. I want to use it with a MSP MCU.

    -Can you tell do you have a reference design recommendation that is close to the motor that we have ?-

    does maybe TI have a sample source for MSP or other mcu for the DRV8711?

    I see that the operating range of Driver is 8V to 52V, we are in the range of 12V to 48V input supply.

    - are the 60V mosfets ok for the application or would you recommend the 100V mosfets?

    - can yo maybe tell or suggest a application note on how to calculate the required input power for input power supply ?

    Best Regards,

    David.

  • +1 in reply to d_zero
    TI__Guru 54645 points

    David,

    Reference design is here with software:

    https://www.ti.com/tool/BOOST-DRV8711

    60V is used on this reference design.  

    Power from power supply will depend mostly on the FETs that you choose and the loss in the FETs.  You can calculate efficiency based on the Rdson of the FETs.

    https://www.ti.com/lit/an/slyt664/slyt664.pdf

    Regards,

    Ryan