Latest activity

  • Silvio
    Silvio replied to the thread Ir2153 oscillation problem.
    The high side gate drive pin7 gets its power from the bootstrap capacitor. This capacitor charges itself when the lowside mosfet comes...
  • G
    Godyreal replied to the thread Testing circuits.
    I've already build smps using uc3844, 43,45 and 42 but now am trying to build using ir2153 half bridge the problem I have after building...
    • images (4).jpeg
  • G
    Can someone tell me how I can use digital multimeter to test the ir2153 if it is oscillating, my smps I tried to design when I put DMM...
  • G
    Can someone tell me how I can use digital multimeter to test the ir2153 if it is oscillating, my smps I tried to design when I put DMM...
  • Silvio
    Silvio replied to the thread Help Pls: IR2153 HB failure..
    One other thing I am noticing is that the voltage regulation at pin 1 is all depending on the internal 15v zener inside the chip. I also...
  • Silvio
    Silvio replied to the thread Help Pls: IR2153 HB failure..
    The IR2153 is designed to power medium power mosfets, (10A) however in this circuit the 20n60 mosfets used have a a very low gate charge...
  • G
    Godyreal replied to the thread Help Pls: IR2153 HB failure..
    I try to built this smps but each time I power on the MOSFET blow and I use this schematic I don't know what causes it, ur help would be...
    • images (3).jpeg
  • Silvio
    Silvio replied to the thread Testing circuits.
    First of all if you intend to build a high current smps, then it has to be prepaired from the design stage. Type of transformer...
  • G
    Godyreal replied to the thread Testing circuits.
    I mean SMPS
  • G
    Godyreal replied to the thread Testing circuits.
    I have currently this week built amps using uc38xx series on Vero board it works one is 60-0-60 and the other is 17-0-17 and it work...
  • G
    Godyreal replied to the thread Help Pls: IR2153 HB failure..
    Yes thanks in advance I will get to you pls
  • Silvio
    Silvio replied to the thread Help Pls: IR2153 HB failure..
    Do you have a problem maybe I can help you? Regards, Silvio
  • G
    Godyreal replied to the thread Help Pls: IR2153 HB failure..
    The link is dead
  • I
    IVANELECTRIC replied to the thread Making litz wire at home.
    Thank you very much Sylvio! The IC I use is TL494, not IR2153. I have tried with an atx transformer without rewinding and 40khz with a...
  • Silvio
    Silvio replied to the thread Making litz wire at home.
    Well I also tried my software Excellent IT 7300 at this but as you can see the rated transformer power is far less the the desired...
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