Has anyone run SOA analysis on a SW design? If so, can you share an example please. I can see from the ngspice manual that you need to specify .option warn=1 in the stim file. After that I am struggling to see how this ties up to the SOA parameters in the models. Any help much appreciated! Thanks. Just adding to this post with info I got from the ngspice forum. Apparently "_The model parameter sets in the PDK are required to support SOA analysis. They have to provide the parameters Vgs_max etc. (chapter 11.5.4 of the manual), to enable ngspice to perform the checks_." Does anyone know are these parameters available in the SKy130 PDK. @Tim Edwards Have you performed such SOA analysis in SW130?

I enabled SOA for CACE simulations but I have never spent the time to check whether it works or not.

Thanks Tim. If you find that it did work please share as I cant get it work on my side😔