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How do I select the right IGBT and diode for simulating a non-isolated DC-DC converter using the ABB SEMIS tool

1Answers
LeClayton
12/17/2025, 09:09:06 AM

To choose the appropriate IGBT and diode components for simulating a non-isolated DC-DC converter with the ABB SEMIS tool, follow these steps: First, configure the IGBT settings. Define the heat sink thermal resistance, which is found in the IGBT module datasheet. Select the IGBT module type and voltage class, and then choose the module configuration. Next, match the IGBTs. After setting the IGBT properties, the tool will display matching options. Click on the product code to view the datasheet on the ABB website. Select the desired IGBTs for your simulation; up to four can be chosen simultaneously. Keep in mind that if any selected IGBT exceeds safe operating area (SOA) limits, the simulation won't generate results, and you may need to adjust your parameters or product selection. Then, match the diodes. Based on your module configuration choice, select either Chopper diodes or FRDs. Choose diodes based on their voltage and current ratings. Finally, select your components and start the simulation. Activate the checkboxes for your chosen components and click "Simulate" to begin. The simulation progress will be shown, and you can save results for comparison. By carefully following these steps and selecting components appropriate for your converter's needs, you can conduct a successful thermal analysis simulation using the ABB SEMIS tool.

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