SMPS simulating!!

[Goat]

Hi,

could anyone please tell me of a way to simulate a SMPS, I have been try frantically with PSPICE but it keeps throwing errors about things such as unmodeled pins,etc.

I cant find an SG3524, but found a SG1524. If anyone could please let me know of a way, even if its a suggestion of another simulation program. I dont mind using SG3524/SG1524/TL494

 

[jackinnj]

Look up Switchercad (LT SPICE) on Linear Tech's website --- www.linear.com -- and there is a user group on Yahoo.

National Semi and On-Semi also have CAD programs for their own proprietary chips. Texas Instruments has a beta for their version of SwitcherPro -- you have to register to use this --

On-Semi's software is a version of Power 4-5-6 for their controller chips.

 

[Goat]

Thanks, will check that out, at the moment just excluded the PWM part of the SMPS and testing the output circuitry (inductor,switching devices, filter cap) using PSPICE, but i had to use just a straight square wave instead of the regulation. At least i have an idea if it may work with what i know now. Will let you know if I have any other issues

 

[Goat]

I seem to still be having an issue finding anything, but thanks for the help anyway. Will probably just build the thing and pray that it works