Ir2110 Bootstrap problem

Discussion in 'The Projects Forum' started by playboy123, May 29, 2014.

  1. playboy123

    Thread Starter New Member

    Dec 21, 2008
    4
    0
    Ir2110 Bootstrap problem, IR2110 not worrking Properly, IR2110 High side problem
    Hi, i will be Much Much Obliged if someone can Help me, i am Really Sucked up Using IR2110, as i don't know any other available msft Driver in market here,

    Issue
    1) Main issue Bootstrap doent start working when The Vcc is below 21 Volts, i.e High Side start working When the Vcc is Greater than 21 Volts :'( Bootstrap Diode tested 1n5819, Byv26, Byv27, Fr107, FR106, FuF106, 1n4007, Tested many Boot capacitors too

    2) The output at Ho is not Pure square wave it has slop at top, and its not straight line
    There is some noise present also :(

    i used ferrite beeds(b/w driver and Mos Gate) to remove noise there is lot of improvement but not completely removed
    Waveform pics are Attached please help me if u anyone can Please read Note Written at ever Wave form

    Attachment 105837
    Attachment 105838
    Attachment 105839
    Attachment 105840
    Attachment 105841
    Attachment 105842
    Attachment 105843
    Attachment 105844
    Attachment 105845
    Attachment 105846
     
  2. bertus

    Administrator

    Apr 5, 2008
    15,647
    2,346
  3. playboy123

    Thread Starter New Member

    Dec 21, 2008
    4
    0
  4. playboy123

    Thread Starter New Member

    Dec 21, 2008
    4
    0
    Please let me know How can i Edit this Thread to Add Attachments or Pictures ?
    Thanks
     
  5. bertus

    Administrator

    Apr 5, 2008
    15,647
    2,346
  6. playboy123

    Thread Starter New Member

    Dec 21, 2008
    4
    0
  7. Experimentonomen

    Member

    Feb 16, 2011
    331
    46
    You must have obtained some couterfeit fakes of the IR2110.

    This is like one of the most easy ic's to use next to the NE555 timer ic.

    Never had a problem, always worked first try every time.
     
Loading...