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I want to perform simulation of flyback converter design (110Vdc to 5Vdc,2A) .In the schematic there is need of one transformer(T1) which has an auxiliary winding required to give supply to PWM switching controller ucc28c40 . While drawing circuit on TINA-TI's editor ,I didn't find required transformer nor any library file for it.

So where do I get Pspice model library file for transformer which has auxiliary winding that can be used in TINA-TI Simulation software? enter image description here

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  • \$\begingroup\$ No luck with your original LTspice simulation? \$\endgroup\$
    – winny
    Commented Nov 10, 2016 at 11:21
  • \$\begingroup\$ It's not a buck converter, it's a flyback converter. \$\endgroup\$
    – Andy aka
    Commented Nov 10, 2016 at 11:21
  • \$\begingroup\$ @winny yes, I tried but couldn't get successful in LTSpice simulation . I am hoping that I will get simulation results as design obtained from webench and simulator I am using now is TINA both are of Texas instrument, \$\endgroup\$
    – user3559780
    Commented Nov 10, 2016 at 11:28
  • \$\begingroup\$ You idea that the Texas parts will simulate better in TINA is sound but your transformer on the other hand will be more difficult there. \$\endgroup\$
    – winny
    Commented Nov 10, 2016 at 11:38
  • \$\begingroup\$ @winny yes ,in LTSpice I created that transformer from 3 inductor coils but here in TINA , I don't find any such option. \$\endgroup\$
    – user3559780
    Commented Nov 10, 2016 at 11:41

1 Answer 1

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A good answer given by TINA-TI support team is

You have 2 options:

(1) ON the top bar, go to Basic >> Select "Transformers" >> Select "Nonlinear transformer with separate secondary coils". When you add this, you can customize the parameters as needed.

(2) If you have the transformer model from a manufacturer, you can import that into TINA-TI. Instructions can be found here (Check out Training 1.9):

training.ti.com/tina-ti-video-training-series

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