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TMUX1072 TINA Simulation

Genius 14110 points

Replies: 7

Views: 132

Part Number: TMUX1072

Hi Sir,

 We used a TMUX1072 (2 x SPDT) for simulation below.

When running simulation, the error, Irregular circuit shows on the right side.

Could you help understand its meaning? Thanks.

USB 5V PWM_0902_Tmp for TI.TSC

  • Hi Ian,

    I made a small tweak to the model. There was some issue with the mode not able to find the transient point.

    Please try running the attached file - It should give you the expected result.

    USB 5V PWM_0902_Tmp for TI_edit.TSC

    Thanks

    Saminah

  • In reply to Saminah C:

    Hi Saminah,

    Thanks for your great tweak. May I know the tip where you tune the parameter? 

    Another question is if you have sinewave generator chip or circuitry.We can run it in Tina.

    Thanks,Ian.

  • In reply to Ian Wang:

    Hi Ian,

    We made a very slight adjustment to the model to get rid of the error in your circuit.

    We found the change improves the model’s convergence behavior in general, so we plan release the model with this change to ti.com.

    For the sinewave generator chip or circuitry, you can try the TINA built-in waveform generator. It has sine and cosine waveforms as an option.

    Thank you for your inquire on E2E. Please let us know if you have any other concerns?

    Thanks

    Saminah

  • In reply to Saminah C:

    Hi Saminah,

    Could you show me where you change? 

    Do you change analog switch parameter or Tina setting?

    Thanks, Ian.

  • In reply to Ian Wang:

    Hi Ian,

    We did not change any analog switch parameters.

    The change to the model made it easier for the simulator to converge, but did not affect the model’s accuracy or behavior as a switch.

    Thanks 

    Saminah

  • In reply to Saminah C:

    Hi Saminah,

    Where can I see line 175 and 176 for deeper Tina use?

    I had placed a 2 ohm resistor after analog switch pin, com and didn’t know why it worked.

    Thanks, Ian.

     

  • In reply to Ian Wang:

    Hi Ian,

    Since the issue is specific to your use case, I will close this thread and share details with you over email.

    Thanks

    Saminah