A Figure of Merit for SiC MOSFET Power Modules to Achieve High-Power-Density Energy Conversion

Power modules are the core components for energy conversion in motor drive, renewable energy application, and battery electric vehicle (EV) and have a significant impact on system performance and reliability. A variety of packaging structures are proposed for a number of applications, and however, t...

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Bibliographic Details
Published in:IEEE transactions on electron devices 2023-07, Vol.70 (7), p.1-8
Main Authors: Emon, Asif Imran, Hassan, Mustafeez Ul, Mirza, Abdul Basit, Narayanasamy, Balaji, Luo, Fang
Format: Article
Language:English
Subjects:
Capacitance
Density
Electric vehicles
Energy conversion
Figure of merit
Figure of merit (FOM)
high-power-density design
Modules
MOSFET
MOSFETs
Multichip modules
Performance evaluation
power converter
power module
Switches
Switching
Switching loss
Thermal resistance
Voltage
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Summary:Power modules are the core components for energy conversion in motor drive, renewable energy application, and battery electric vehicle (EV) and have a significant impact on system performance and reliability. A variety of packaging structures are proposed for a number of applications, and however, there is no clear guideline for their performance comparison. To help in selection of wide bandgap MOSFET-based power modules for high-power-density energy conversion system, a new power module figure of merit (PMFOM) is proposed in this article. The PMFOM is derived based on device switching behavior, considering the conduction and switching loss, parasitics from package layout, thermal resistance, and package area. Finally, the validation of the proposed PMFOM is verified with a practical design example using commercially available 1.2-kV power modules.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2023.3275116