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Re: Driver for IGBT

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  • orvillefpike
    ... just ... specs. ... It ... Shouldn t you put a FreeWheel diode between the emiter and collector of your IGBT, to save it from voltage kick-back?
    Message 1 of 3 , Aug 4, 2007
      --- In Electronics_101@yahoogroups.com, "Ken Stuempges"
      <ozarkshermit@...> wrote:
      >
      > Hi all
      >
      > My first post - and a question. I am making a small oscillator to
      > drive an IGBT, which in turn will drive an ignition coil to generate
      > hi-voltage sparks. The oscillator is a simple 555 in Astable mode,
      > running between 150 to 200 Hz (plenty slow). The IGBT is an
      > International Rectifier IRGB14C40L. I don't think trying to use
      just
      > the 555 output to drive the IGBT will cut it, and rather than play
      > around with a transistor or two make a suitable driver, I am
      > considering purchasing a couple of MOSFET drivers - namely IXYS part
      > number IXDN404. Both are available from Digikey, as are their
      specs.
      > These look like a simple, cheap, and reliable driver for the IGBT.
      It
      > is an 8 pin DIP, with two drivers on board, (only need one). The
      > power source for all this will be a 6 volt SLA battery.
      > Has anyone used one of these drivers, or similar?
      >
      > Ken
      >

      Shouldn't you put a "FreeWheel" diode between the emiter and
      collector of your IGBT, to save it from voltage kick-back?
    • Ken Stuempges
      Yes, I plan on that, forgot to mention it. Thanks Ken
      Message 2 of 3 , Aug 4, 2007
        Yes, I plan on that, forgot to mention it.

        Thanks

        Ken
        >
        > Shouldn't you put a "FreeWheel" diode between the emiter and
        > collector of your IGBT, to save it from voltage kick-back?
        >
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