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Type: Posts; User: mohammadmother

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  1. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    OK
    I recognize This driver by my friend.
  2. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    FYI
    I changed the driver and want to use TC4426. I simulated it in PSPICE and the result of simulation was OK.
    I want to implement it on the board.
    my circuit is:
    125906
  3. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    YES.
    IT WORK.
    Many thanks. Now I want to simulate it with Bootstrap.
  4. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    PWM is come out from FPGA and is 3.1 volt(I haven't PWM 9 volt).
    Just in the PSPICE PWM is 9 volt.
  5. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    in my design the PWM voltage is 3.1 volt. how I can use IR2113 to drive single mosfet?
    I insert this circuit and it works. but the PWM signal is 9 volt.

    125877
  6. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    I did your said. but the PSPICE give me a error.
    How it is possible that the power supply of driver and signal (pwm voltage) could be equal?!
  7. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Thank you for guidance. according to your said I connect this simple circuit with IR2113 driver. but the HO gate is always '0'.
    125677
  8. Replies
    2
    Views
    656

    Closed: the ground of om-amp

    Hi
    I using AD8055AN as om-amp for feedback voltage. I want to supply of om-amp with separate battery. I simulate the circuit 1 in PSPICE properly. But the circuit 2 has error. why without ground I...
  9. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    So, What should I do!?
  10. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    I did your work. but it is not good idea!
  11. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Thanks a lot. I did what you said. my error was solved. but the mosfet doesn't drived and it is still always OFF.
    my new circuit is:
    125590
  12. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    the boost is for former post.
    Now I want to drive a buck converter with IR2113 and mosfet is N-channel . I want to use Bootstrap technique. My circuit is but I have error!:sad:

    125588
  13. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Thank you for your reply. but I'm really confused!
    assume the converter is buck and the mosfet is N-channel. how we can driver it with IR2113?

    Thanks a lot
  14. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Thanks, I do your work and the error was solved and vout appear. but the vout is 2 v (this is a boost converter!).
    anyway I changed my converter to the buck to test your manner(my main target is...
  15. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Now, I changed my convert(boost instead of buck) driver and use IR2113.my circuit is :
    125568

    but I have this error :
    125569
  16. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    my means that the mosfet is always OFF.
    this driver, IR2118, does not work.

    - - - Updated - - -

    I connect the driver pin according to the its datasheet....
  17. Closed: Re: [moved] problem with IR2118 mosfet driver in PSPICE.

    Thanks for your help
    I changed my circuit. However, this error yet exist.
    125564

    How I can change time step and insert bootstrap diode?

    - - - Updated - - -

    Excuse me I changed my circuit...
  18. Closed: [moved] problem with IR2118 mosfet driver in PSPICE.

    Hi
    I simulate this circuit in PSPICE
    125559

    but i get this error. I download the IR2118 PSPICE model.
    125560

    please help!
  19. Closed: Problem with Mosfet Gate driver, 2113, in PSPICE

    Hi,
    I want to build a buck converter. I use the IR2113 gate driver but the voltage of VB and VS Ho, HL is zero. what is my problem. I think my connection it's not correct.
    125502

    thank you so...
  20. Closed: Stability Region in Z-domain by Backward Euler Method

    Hello everybody
    I have a problem, about stability region of the continues system that's has been discreted.
    I would appreciate if you could answer my question.
    I have a circuit that including...
  21. Replies
    0
    Views
    892

    Closed: mulipler matrix in verilog

    Hi
    my working is to implement a circuit in FPGA ,i get the admittance
    matric of circuit that be multiply it into current vector(value of
    current vector changing with control signal state)
    when...
  22. Replies
    4
    Views
    938

    Closed: Re: nearly accurate counter with VHDL

    i write this code no warning and error exist but in ISIM simulator LED don't ++



    library IEEE;
    use IEEE.STD_LOGIC_1164.ALL;
    use IEEE.STD_logic_unsigned.ALL;
    -- Uncomment the following...
  23. Replies
    4
    Views
    938

    Closed: nearly accurate counter with VHDL

    hi every body
    i write a vhdl code that is nearly accurate counter
    every 1.34 s the LED will be ++
    (2^27*10ns = 1.34 s )
    please tell me what is it's problem because in ISIM i don't got the ...
  24. Replies
    2
    Views
    874

    Closed: Re: multiply Matrix in VHDL

    i have a fixed matrix (admittance matrix ) that should be multiply to current matrix, the current matric is variable and those dependent current source change them value by switch state so the...
  25. Closed: electric breakdown about point & plane in HV lab

    Hi everybody I have a question about electric breakdown about point & plane in HV lab
    breakdown voltage in first examine is 70 v(primary voltage in trans) but in second examine is 55 v
    Why...
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