Thermal feedback blocks for fast and reliable electrothermal circuit simulation of power circuits at module level

Thermal Feedback Blocks are a viable approach to perform thermal and electrothermal simulations of electronics systems with very fast-switching inputs, for which the coupling of a finite-element method thermal solver with a physics-based or a circuit simulator cannot be used. In this work, we descri...

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Bibliographic Details
Main Authors: Magnani, A., Di Napoli, F., Riccio, M., Guerriero, P., d'Alessandro, V., Breglio, G., Daliento, S., Irace, A., Rinaldi, N., Codecasa, L.
Format: Conference Proceeding
Language:English
Subjects:
Circuits
Computational modeling
DC-AC converter
Decision support systems
Dynamic Compact Thermal Model (DCTM)
Dynamic tests
Electronic systems
electrothermal (ET) simulation
Feedback
Finite element analysis
Integrated circuit modeling
Model Order Reduction (MOR)
Modules
Power semiconductor devices
Reliability
short-ciruit
Simulation
Solvers
Thermal Feedback Block (TFB)
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Description
Summary:Thermal Feedback Blocks are a viable approach to perform thermal and electrothermal simulations of electronics systems with very fast-switching inputs, for which the coupling of a finite-element method thermal solver with a physics-based or a circuit simulator cannot be used. In this work, we describe a RC-based thermal network improving the conventional Foster and Cauer solutions, which is used to perform (i) an accurate and effective dynamic thermal analysis of an IGBT power module, and (ii) a fast electrothermal analysis of the aforementioned module used as a half-bridge DC-AC power converter in both normal operating mode and during a load short-circuit event.
ISSN:1946-0201
DOI:10.1109/ISPSD.2016.7520809