Added with PSIM version 11.1 is the ability to invoke LTSPICE from PSIM. Also added was the ability to "dual define" switch models to be PSIM and SPICE compatible so that the transition between a PSIM simulation and SPICE simulation is seamless.
Want to try PSIM? - https://hubs.ly/H0f9wCC0
Why should you use PSIM for Motor Drive design? - https://hubs.ly/H0f9wCK0
Why is PSIM preferred for Power Electronics simulation? - https://hubs.ly/H0f9wFX0
Why you should use PSIM for device level simulations - https://hubs.ly/H0f9wDk0