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LAUNCHXL-F28027: Boost/Cuk converter microcontroller - Incremental Conduction MPPT

Michael Zimmerman53
Prodigy 30 points
Part Number: LAUNCHXL-F28027
Other Parts Discussed in Thread: TMDSDOCK28035

I am looking for a Microcontroller unit that is designed for power electronics. We are building a boost and/or cuk converter and this MCU needs to send PWM out to a gate driver to control the duty cycle of a IGBT or similar silicon carbide power transistor. I am considering the C2000 Piccolo MCU F28027 LaunchPad Development Kit however I want to verify this is a good kit for this application. If there are suggestions from TI that would be greatly appreciated. If there was a kit with a gate driver onboard then that might be best however please include a suggestion for a gate driver if possible. This converter would be for a PV system that is roughly 1.2kW to 1.5kW in size. Max voltage from the PV cells is roughly 100 volts, with the converter output at 300 to 400 volts DC. Thank you for your help.

  • 0
    Guru 192875 points

    Hi Mike,

    C2000 F28027 Launchpad can very suffice your requirement but do check F28035 based TMDSDOCK28035. This will give you more pins to explore and the controlCard design will help design yours with ease. Also, F28035 has an additional CLA for parallel computing.

    Regards,
    Gautam

  • 0 in reply to Gautam Iyer
    Prodigy 30 points
    Gautam,

    Thank you for your response. If I am controlling the gate of a transistor with the microcontroller, what advantage would TMDSDOCK28035 bring to the table? I don't exactly understand what purpose it serves in this application or how to implement that hardware. Would you be able to give a brief explanation or example with regards to power electronics or DC-DC converters?

    I was also concerned about the gate driver choice but I might have to research the silicon carbide transistors more to ensure I purchase the correct model that can support my design specifications.

    Again, thank you for your help.

    Michael
  • 0 in reply to Michael Zimmerman53
    TI__Mastermind 43730 points

    Michael,

    Between control cards i.e. TMDSDOCK28035  and the luanchpad, the choice is yours. Some prefer the launchpad because of cost, others prefer the control card as some of them have the the isolated JTAG emulator (some new launpad's might have this as well, refer to the schematic of the launchpad). 

    As Gautam, pointed out the control card offers more IO's if you need them, for example additional relay's, gate driver fault signals etc.. all of those may be available on launchpad as well. The control cards were designed for power control applications and are specific to C2000 , whereas launchpad's are part of the TI common eco-system and might not have all the flexibility in IO's.  This is where you need to exercise your engineering judgment and decide.

    www.ti.com/.../BOOSTXL-BUCKCONV

      

  • 0 in reply to Manish Bhardwaj
    Prodigy 30 points
    Manish,

    Thank you for your input. After reviewing the material related to these posts the best option for me is the just launchpad vice the control card. Perhaps down the road I may need the expansion of I/O pins with an external JTAG emulator however I believe for the price and functionality of the launchpad with the USB JTAG, this should suffice.

    I appreciate all the help!

    Best,

    Michael