High-side gate drive output. Connect through a resistor to the gate of your high-side MOSFET.
The default MOSFET drivers in Proteus often lack the crucial and bootstrap diode logic that make the IR2110 work. Without a proper model:
The model respects the inherent propagation delay and the logic table. Input HIN high? HO goes high after a realistic delay. Input LIN low? LO goes low. This allows you to simulate shoot-through conditions before you blow up real transistors. ir2110 library for proteus 8
The IR2110 is a high-speed, high-voltage power MOSFET and IGBT driver used extensively in motor control and power conversion. Since it is not always available in the default Proteus 8 database, you must manually import a library to simulate it.
| Error Message | Likely Cause | Solution | |---------------|---------------|----------| | "Unknown part IR2110" | Library not loaded | Restart Proteus; check LIBRARY folder | | "Model not found" | .MDF file missing | Copy IR2110.MDF to MODELS folder | | "SPICE model error" | Incompatible syntax | Use .MODEL directive or recompile | | "No DC path to ground" | Bootstrap cap not charging | Add a weak resistor (100k) from VS to GND | | "HO always low" | VB voltage too low | Ensure bootstrap cap > 1µF and diode is fast | High-side gate drive output
For standard installations: C:\Program Files (x86)\Labcenter Electronics\Proteus 8 Professional\LIBRARY .
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Many engineers have successfully used this method for simulations of H-bridges and inverters. While not a perfect 1:1 match for all parameters, it's adequate for functional testing.
Adding the library is only half the battle. Even with the correct part, users frequently encounter simulation errors due to the unique nature of the IR2110's floating high-side drive.
Yes, if you download from community sources or build your own. However, ensure you respect copyrights. Labcenter does not officially distribute it.
If Proteus complains about a missing model property when you hit play, right-click the IR2110 component, select Edit Properties , and ensure the "Primitive Term" or "Model Type" points correctly to the SPICE or MDF file associated with your downloaded library. Conclusion