Study of HEMTs Thermal Parameters Basedon I-V Characteristics Analysis

Leonardo Suriano*, Roberto Marani**, Anna Gina Perri***
* Research Scholar, Department of Mathematics, Ecole Polytechnique de Paris, Palaiseau, France.
** Developer (Novel Numerical Models), Polytechnic University of Bari, Italy.
*** Full Professor of Electronics and Head of Electronic Devices Laboratory, Department of Electrical and Information Engineering, Polytechnic University of Bari, Italy.
Periodicity:June - August'2015
DOI : https://doi.org/10.26634/jele.5.4.3541

Abstract

This paper presents a light DC thermal model of recessed gate P-HEMT devices, based on the Chaibi model, where the authors have identified the transistor parameters having greater influence on the device behaviour for temperature variations. The main aims are to improve the accuracy of modelled I-V curves, in particular in the knee and saturation regions and above all to give the device source-drain current as a function of external voltages, as seen at the device gates, by-passing the very difficult measurement of parasitic resistances for the I-V characterisation. To verify the accuracy of the proposed model, the results are compared with those of Chaibi model, obtaining a negligible relative error, with however a compilation time and a run time much more low.

Keywords

High Electro Mobility Transistor (HEMT), Thermal Effects, Modeling, DC I-V Characteristics

How to Cite this Article?

Suriano, L., Marani, R., and Perri, A.G. (2015). Study of Hemts Thermal Parameters Based on I-V Characteristics Analysis. i-manager's Journal on Electronics Engineering, 5(4), 19-23. https://doi.org/10.26634/jele.5.4.3541

References

[1]. Perri A.G. (2011). “Dispositivi Elettronici Avanzati”. Progedit Editor, Bari, Italy; ISBN: 978-88-6194-081-9.
[2]. Chaibi M., Fernandez T., Mimouni A., Rodriguez-Tellez J., Tazon A., Mediavilla A. (2012). Nonlinear modeling of trapping and thermal effects on GaAs and GaN MESFET/HEMT devices. “Progress In Electromagnetics Research”, Vol. 124, pp. 163-186.
[3]. Perri A.G. (2011). “Modelling and Simulations in Electronic and Optoelectronic Engineering”. Ed. Research Signpost, ISBN 978-81-308-0450-7.
[4]. Suriano L., Marani R., Perri A.G. (2014). “A Simplified DC Thermal Model of Recessed Gate P-HEMTs for CAD Applications”, Advances in Microelectronic Engineering (AIME), Vol. 2, No.4, pp. 1-6.
[5]. Fernandez T., Garcia J.A., Tazon A., Mediavilla A., Pedro J.C., Garcia J.L. (1999). “Accurately modeling the drain to source current in recessed gate P-HEMT devices”. IEEE Electron Device Letters, Vol. 20, No.11, pp. 557-559.
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