The SG3525 library for Proteus can be downloaded from community repositories like NirisonFabrice's GitHub. Once you have obtained the library files (typically with .LIB and .IDX extensions), you must manually add them to your Proteus installation directory for the component to appear in the "Pick Devices" window. Downloading the SG3525 Library
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: Close the software if it was open and relaunch it to refresh the component database. Search for the Part : Open the schematic capture (ISIS), click the 'P' (Pick Devices) button, and type "SG3525" to select it for your project. Simulation Alternative: The UC3525 IC download sg3525 library for proteus
Once you download the library files (typically .LIB and .IDX or .HEX), follow these steps to add them to Proteus: NirisonFabrice/SG3525-PWM-module - GitHub The SG3525 library for Proteus can be downloaded