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Modeling of double-gate LDMOSFET devices including self-heating

  • Mohamed M. El-Dakroury
  • , Mohamed I. Eladawy
  • , Zaki B. Nosseir
  • , Yehea Ismail
  • , Hamdy Abdelhamid
  • Helwan University
  • American University in Cairo
  • Zewail City of Science and Technology

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Current analysis based on two-dimensional surface potential model and based on one-dimensional model is presented in this work as well. The impact of controlling the drift region resistance by controlling the bias and/or gate metal work function of a separately added second gate of the LDMOSFET electrostatic is more investigated. Compact models for the current including self-heating were introduced. Self-heating modeling was done using a simple resistive thermal network excited with a current source representing power dissipation in the device. The introduced models are verified to have good agreement with the numerical simulation results. The results of the study show that the introduced structure with its newly introduced separately biased second gate suffers from self-heating when increasing second gate bias which mandates a trade-off between its on-resistance and self-heating behavior.

Original languageEnglish
Title of host publication31st International Conference on Microelectronics, ICM 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages235-239
Number of pages5
ISBN (Electronic)9781728140582
DOIs
StatePublished - Dec 2019
Event31st International Conference on Microelectronics, ICM 2019 - Cairo, Egypt
Duration: 15 Dec 201918 Dec 2019

Publication series

NameProceedings of the International Conference on Microelectronics, ICM
Volume2019-December

Conference

Conference31st International Conference on Microelectronics, ICM 2019
Country/TerritoryEgypt
CityCairo
Period15/12/1918/12/19

Keywords

  • Double-gate
  • LDMOSFET
  • Self-heating
  • Thermal resistance

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