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IGBT Drive

Discussion in 'Electronic Design' started by Darab Avesta, Feb 5, 2004.

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  1. Darab Avesta

    Darab Avesta Guest

    Dear Members,
    I have difficulties in driving IGBTs. How can I manage it.
    Darab Avesta
  2. hamilton

    hamilton Guest

    Your design is faulty. Redo it.
  3. Garrett Mace

    Garrett Mace Guest

    Do I detect a hint of bitterness towards engineers from other countries?
    Don't want to help out someone who is possibly replacing you at the moment?
  4. hamilton

    hamilton Guest

    No bitterness, just no information about what Darab is trying to do.
    If Darab would have giving a small hint at what he is doing, he may get
    a useful answer.
  5. YD

    YD Guest

    More like p-o'd by a non-clue question. What kind of difficulties,
    what is he trying to acheive, what does the driver look like?
    Obviously the design is faulty or he wouldn't come asking.

    - YD.
  6. Garrett Mace

    Garrett Mace Guest

    Do I detect a hint of bitterness towards engineers from other countries?

    I wanted to make clear that I wasn't indicating that you shouldn't answer
    questions for people who are possibly replacing you in another country. I
    was thinking about this a while back, and in these newsgroups you pretty
    much always are helping a competitor. But in addition to that, you're
    helping hundreds of other people than the original person who asked the
    question, and you also get to receive help if you need it. It just seemed
    wrong to answer these questions because it was helping outsourced engineers
    get their jobs done, until I examined it this way.
  7. hamilton

    hamilton Guest

    I did not even notice the name of the OP till it was mentioned.
    YD is correct. We see so many posts here without a clue about how to
    answer the question.

    If anyone has a good FAQ for asking technical questions on a engineering
    /design newsgroups, please re-post it.
  8. I don't think the OP is replacing any Americans. It would be quite

    He should have a look at the data from IRF and other IGBT (and driver)
    manufacturers. It's generally similar to driving MOSFETs, but doesn't
    usually have to be as fast, and with a few twists (sometimes you want
    to drive the gate negative, for example). Try Google, too.

    Best regards,
    Spehro Pefhany
  9. Darab Avesta wrote...
    What kind of difficulties? IGBTs are the easiest
    power elements to drive. Are you doing something
    slightly difficult, like high-side switching into
    inductive loads, etc.? Have you had difficulty
    finding manufacturer's app notes?

    - Win

  10. You've got to go easier when letting up on the clutch.

  11. CBarn24050

    CBarn24050 Guest

    you forget, american drivers dont know what a clutch is.
  12. Jim Thompson

    Jim Thompson Guest

    Izzat so? My 280ZX's were five-speed manuals. My personal vehicles
    have *always* been stick-shift until I bought the Frontier PU truck...
    too much clutch-riding in crawling freeway traffic convinced me to go

    ...Jim Thompson
  13. Jamie

    Jamie Guest

    Hmm, isn't that the wife?
  14. CBarn24050

    CBarn24050 Guest

    i knew someone would bite
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