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TMS320F28388S: Questions regarding EtherCAT and power consumption on the C2000 MCU

Paul Reshetikhin
Prodigy 20 points
Part Number: TMS320F28388S
Other Parts Discussed in Thread: TMS320F28P650SK

Tool/software:

Hello,

I was looking for some advice in choosing a low power EtherCAT enabled MCU for controlling a motor. It looks like the TMS320F28388S would be a suitable choice for such an application. But it generates quite a bit of heat when running. ~1W.

Is there a solution from TI which would allow for EtherCAT connectivity but which would generate less heat?

Thanks,
Paul

  • 0
    TI__Mastermind 36526 points

    Hi Paul,

    F28P65X MCUs support EtherCAT at a lower price point and lower power consumption. It is less performance than F2838X MCUs, but the power consumption should be less than 1W.

    I have seen power consumption at about ~300-400mW when running an EtherCAT example + some basic I/O operations.

    Best Regards,

    Ben Collier

  • 0 in reply to Benjamin Collier
    Prodigy 20 points

    Hi Ben,

    Thanks for the input, that is good to know. So for example the TMS320F28P650SK seems like a good candidate.

    I also have a related follow up question for our application. Would it be possible to use the F28P65X MCUs in conjunction with TI's MotionWare Software?

    We would like to drive a brushless motor with this EtherCAT node so we are looking for a solution which offers both low power EtherCAT and also easy motion profiling.

    Best Regards
    Paul

  • 0 in reply to Paul Reshetikhin
    TI__Mastermind 36526 points

    Hi Paul,

    We have switched to releasing motor control software in our Motor Control SDK (MCSDK) over the past few years: https://www.ti.com/tool/C2000WARE-MOTORCONTROL-SDK

    You will find a few BLDC motor examples for F28P65X, generally associated with specific EVMs. The details will be in the MCSDK User's Guide.

    Best Regards,

    Ben Collier