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ir2110 high side output gives a constant dc value instead of a square wave.

Discussion in 'Power Electronics' started by Rahmat Ali, Mar 27, 2019.

  1. Rahmat Ali

    Rahmat Ali

    1
    0
    Mar 27, 2019
    I am using ir2110 mosfet driver in my project. Its low side output is ok. It gives a square pulse. But its high side output is always high i.e a constant DC value instead of a square pulse. I changed my IC but its not the IC problem. I think there is a fault in my connections. what could be the fault?
     
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    8,931
    1,766
    Nov 17, 2011
    Likely.
    How do you think we can make any reasonable guess without knowing what your circuit looks like? Upload a schematic diagram so we can check the circuit, please (there is an upload button in the menu bar on top of this editor box).
    If we cannot find a fault with the theoretical circuit (schematic), the next step will be to check the real circuit to verify it really matches the schematic.
     
  3. Minder

    Minder

    2,774
    575
    Apr 24, 2015
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