IR 2110 dramas

Discussion in 'The Projects Forum' started by Andyph, Jun 17, 2009.

  1. Andyph

    Thread Starter New Member

    May 6, 2009
    2
    0
    Hi Gents,



    I am an electronics tech (not a designer) and have inherited a product that seems to suffer from problems.

    the circuit has a TL494 that drivers 2 IR 2110s into a H bridge.

    I have cleaned up lots of the switching noise -using gate resisitors has done lots but I still seem to kill the IR2100s and the H bridge FETS.

    My supply line seems to be very solid without much noise or any sag.

    The failures are always dead at start up - the FET gate is short to source and also the IR 2110 is damaged.

    Any idea or help appreiacted!!!

    go gentle

    cheers

    Andy
     
  2. nanovate

    Distinguished Member

    May 7, 2007
    665
    1
    Please post a schematic so that we can further assist you.
     
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