To get the ability to adjust the magnetics design, I used the UNENCRYPTED TI.lib file in the UCC28C42 web page. I was able to download it, and unzip it (SLUM522.zip) which shows that it is a PSPICE Model generated by Aei. I was able to do the auto symbol creation from the TI.lib file in LTSpice. Now, whether I use a .include or a .lib statement in the main simulation, I get an "error - unable to open TI.lib". I have stared for hours at the model, an attempted to avoid listing and checking all of the referenced subcircuits. Why won't it open - - Other TI models have had no trouble at all. My thinking is that this must be an older model.
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