Best Options for SG3525 in Proteus Option 1: Direct Download (Recommended) Source: Proteus Library Community & GitHub
Download from these reliable sites:
Proteus Libraries - Search "SG3525" GitHub: Search "SG3525 Proteus library" Electro-Tech-Online forums
Direct File Names to look for:
SG3525.LIB (Library file) SG3525.IDX (Index file) SG3525.MDF (Model definition)
Option 2: Create Your Own Model (Most Reliable) Since finding a perfect SG3525 model is difficult, here's how to create it: Step-by-Step Installation Step 1: Download the Library # Recommended search terms: "SG3525 Proteus 8 library download" "SG3525 simulation model for Proteus"
Step 2: Install in Proteus For Proteus 8/9: download sg3525 library for proteus better
Copy files to: C:\Program Files\Labcenter Electronics\Proteus 8\LIBRARY\
Alternative location (for custom libraries): C:\Users\[YourUsername]\Documents\Proteus 8 Professional\LIBRARY\
Step 3: Load in Proteus
Open Proteus Click Library → Pick Device/Symbol (P key) Type "SG3525" in search If not found, click Library → Library Manager → Import
Complete SG3525 Simulation Setup Pin Configuration for Manual Creation If you need to create the component manually: | Pin | Name | Description | |-----|------|-------------| | 1 | Inv. Input | Error Amp Inverting Input | | 2 | Non-Inv. Input | Error Amp Non-Inverting Input | | 3 | COMP | Error Amp Output/Compensation | | 4 | Vref | 5.1V Reference Output | | 5 | CT | Timing Capacitor | | 6 | RT | Timing Resistor | | 7 | DISCH | Discharge Pin | | 8 | Soft-Start | Soft-Start Capacitor | | 9 | COMPENSATION | Shutdown/Compensation | | 10 | SHUTDOWN | Shutdown Input | | 11 | OUT A | Output A | | 12 | GND | Ground | | 13 | Vc | Collector Voltage | | 14 | OUT B | Output B | | 15 | Vcc | Supply Voltage (8-35V) | | 16 | Vref | Reference Output | Test Circuit (SMPS Application) Components needed for testing: - SG3525 IC - Resistors: 10kΩ (RT), 100Ω (gate drive) - Capacitors: 0.1µF (CT), 1µF (Soft-start) - MOSFETs: IRF540 (2 pcs) - Diodes: 1N4148, 1N5819 - Transformer (if testing push-pull)