Download Sg3525 Library For Proteus

The SG3525 (PWM controller IC) is not included in the standard Proteus library. You'll need to find a third-party library or create your own model.

This is the standard way to add new models. download sg3525 library for proteus

Restart Proteus: Close Proteus completely and reopen it to ensure the software indexes the new files. The SG3525 (PWM controller IC) is not included

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Inside your downloaded .zip, you will likely find a MODELS folder and a LIBRARY folder. Restart Proteus: Close Proteus completely and reopen it

This requires intermediate knowledge of SPICE and Proteus modeling.