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[FAQ] TINA/Spice: How do I know if a model on TI.com is unencrypted?

Nikhil Gupta (Product Folder Models)
Mastermind 39210 points
Other Parts Discussed in Thread: TINA-TI

Tool/software: TINA-TI or Spice Models

How do I know if a model provided by Texas Instruments is encrypted or unencrypted?

  • 0
    TI__Mastermind 39210 points

    There are a few ways to see if a model on the web is unencrypted.

    1. Many unencrypted models will have the word "unencrypted" in the title.

    2. Some unencrypted models, do not have the word "unencrypted" in the title. In this case, the underlying model can still be unencrypted. To find out if this model is unencrypted, please follow the following procedure

    • For PSpice, open the model zip file. You will find either a LIB file or a MOD file. Both of these can be opened using a text editor like notepad.
      • If you scroll through this file and only see text like this, the model is unencrypted. 
      • If on the other hand, you see text like this, it means that the model is encrypted and can only be used in the simulator in which it is encrypted (PSpice)
    • For TINA-TI, open up the TSC, right-click on the instance and select "Enter macro". In rare cases where there is only a TSM file, download it and place it in a blank TINA-TI schematic, then right-click it and select "Enter macro".
      • If you scroll through this file and only see text like this, the model is unencrypted.
      • If on the other hand, you see text like this, it means that the model is encrypted and can only be used in the simulator in which it is encrypted (TINA-TI)