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Design of Peak current mode boost DC converter

farid mabr
Intellectual 810 points

Other Parts Discussed in Thread: POWERSUITE, CONTROLSUITE

Hi,

We are designing a peak current mode boost DC converter. you guys have a lot of documentation on  how to design with C2000 a peak current mode Buck converter. Is there any documentation on how to design a Boost converter.

Thanks,

Farid

  • 0
    TI__Mastermind 40080 points

    Hi Farid,

    Seems you want a digital control solution for the boost converter.  Our product line  only have analog control solution for the boost converter. Why you want to use digital control instead of analog control?

  • 0 in reply to Helen chen
    TI__Genius 10820 points

    Hi Farid,

    I addition to the C2000 MCU based peak current mode control (PCMC) designs we also have a C2000 MCU based PCMC design for a phase shifted full bridge (PSFB) converter here:

    www.ti.com/.../TIDM-PSFB-DCDC

    We do not have a PCMC reference design specifically for a (classical) boost power stage. However, from a PWM waveform generation, software coding and structure, and overall firmware system design point of view, the buck converter solution is very applicable. The power stage and the actual controller parameters will have to be redesigned, although the controller structure and code can stay the same.

    I hope this helps.

    Hrishi

  • 0 in reply to Hrishi Nene
    Intellectual 810 points

    Hi Hrishi!,

    Thank you so much for your reply! I have looked into the details for calculating the poles and zeroes of type II compensator (2P2Z controller) for the Buck converter. Would the same equations apply for the Boost converter?

    Do you know of any application notes for interleaved boost DC-DC converters?

    Thank you!

  • 0 in reply to farid mabr
    TI__Genius 10820 points

    Hi Farid,

    I would recommend looking at our two phase interleaved boost converter solution for PFC application.

     

    This design is supported in powerSuite, which significantly simplifies control loop design and tuning. You can download all of the software and documentation by downloading TI controlSuite.

    I hope this helps.

    Hrishi