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  • Resolved

Microcontroller Interface\Control

Guru 14235 points
Anonymous
Anonymous

Does TI have a switching regulator or controller chip or design of any type (boost, buck, flyback, etc.), a.k.a. the topology doesn't matter,that has a serial (SPI, I2C, SM/PMBus, UART, etc.) interface so that a microcontroller could control the power supply's output? 

  • We have quite a few.  Can you tell me more about your requirements?  Input voltage, output voltage and current?  Then i can suggest some possibilities for you.

    Best  Regards,

    John Tucker

    BSR-CCP LV/MV DC/DC Applications

  • In reply to JohnTucker:

    Do you still need assistance with this? I will mark this as resolved. You can re-open it by replying.

    Thanks,

    Best  Regards,

    John Tucker

    BSR-CCP LV/MV DC/DC Applications

  • Guru 14235 points
    Anonymous
    Anonymous

    In reply to JohnTucker:

    Sorry about the delay, I only get to get on here rather sporadically.  I need it to be a flyback with an output current of at least 0.5A and an output voltage of 3-40V and be capable of a 13.8 volt input because it is for a car battery power instrument and if possible be through hole.   

  • Guru 14235 points
    Anonymous
    Anonymous

    In reply to JohnTucker:

    Yes, I do.
  • In reply to Anonymous:

    Handy,

    Since you need a flyback, I will move this post to the isolated forum.

    Best  Regards,

    John Tucker

    BSR-CCP LV/MV DC/DC Applications

  • Guru 14235 points
    Anonymous
    Anonymous

    In reply to JohnTucker:

    Okay
  • In reply to Anonymous:

    Handy Andy,

    I have requested support on this from a colleague. They should respond soon.

    Best  Regards,

    John Tucker

    BSR-CCP LV/MV DC/DC Applications

  • In reply to JohnTucker:

    Andy,
    You can look at UCC28C43 family or UCC28C43-Q1 if you need automotive qualified flyback controller. It has 2.5V error amp ref so you can do 3V output and has UVLO below 13.8V so no issue with input voltage. You can configure it as boost, buck boost, or flyback as desired since it is a more general purpose PWM. It is available in some through hole packages as well.

    To adjust the output voltage from MCU or similar most people use the power supply like normal but then use a digital potentiometer like this device or similar: www.ti.com/.../TPL0401A-10 potentiometer&tisearch=Search-EN-Everything

    Let me know if this helps.

    Regards,
    John
  • Guru 14235 points
    Anonymous
    Anonymous

    In reply to John Stevens:

    I think I will probably use the UCC28C43 family and the digital potentiometer method. Does TI have a through hole digital potentiometer- the interface method does not really matter ?

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