Silvio's 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...
  • 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...
  • 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...
  • Silvio
    Silvio replied to the thread Help Pls: IR2153 HB failure..
    Do you have a problem maybe I can help you? Regards, Silvio
  • 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...
  • Silvio
    Silvio replied to the thread Making litz wire at home.
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