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Is it possible to design a 12 volt to 12 volt dc to dc converter

Discussion in 'General Electronics Discussion' started by jishak, Oct 31, 2016.

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  1. jishak


    Oct 31, 2016
    Is it possible to design a 12 volt to 12 volt dc to dc converter due to the reason that the voltage across the inductor being zero and hence there is high error in the calculation. It would be good if you could help me with some ideas for this.
  2. Alec_t


    Jul 7, 2015
    Welcome to EP!
    Assuming you are talking about a switch-mode converter, the voltage across the inductor won't be zero (except at polarity reversal instants in the switching cycle of the converter.
    What are you doing that requires a 12VDC/12VDC converter?
    jishak likes this.
  3. jishak


    Oct 31, 2016
    A hybrid car that runs on a 12 v battery and a 12 volt motor
  4. Colin Mitchell

    Colin Mitchell

    Aug 31, 2014
    What current are you requiring?
  5. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Yes. It is called a SEPIC converter. This is a non-isolated topology having a direct connection between input and output.
    Why would you want to put such a converter between battery and motor? Can you not connect the motor directly to the battery?

    If you need isolation, you'll want a transformer based converter e.g. a flyback converter. The choice of topology depends on the power required, hence Colin's question needs to be answered.
    davenn likes this.
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