The Level 3 Based SPICE Model for Low-Voltage Pentacene Thin Film Transistors

Nihat Akkan, Herman Sedef, Mustafa Altun

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

1 Citation (Scopus)

Abstract

A modeling technique is presented for organic thin film transistors (OTFTs) in LTspice platform, using the Level 3 MOSFET model with additional four model parameters. First, the mobility model equation is simplified. Next, the evaluated drain current of the Level 3 model is manipulated proportionally to the recently proposed OTFT mobility model. On the other hand, the model performance is enhanced in the subthreshold regime adding off-state current. This behavioral model is built by using one PMOS transistor and two behavioral current sources. Then, the Level 3 model parameters are obtained fitting the model equations to the low-voltage pentacene-based OTFT data using previously studied metaheuristics-based parameter extraction approach. Finally, the behavioral model based on the Level 3 is simulated in LTspice while the gate and drain voltages are both ranging from 0 to-3 V. It is validated within this range, comparing the experimental and modeled characteristic curves. This model can be more convenient for very large OTFT-based digital circuit simulations.

Original languageEnglish
Title of host publicationProceedings - 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781665467032
DOIs
Publication statusPublished - 2022
Externally publishedYes
Event18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022 - Villasimius, Italy
Duration: 12 Jun 202215 Jun 2022

Publication series

NameProceedings - 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022

Conference

Conference18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022
Country/TerritoryItaly
CityVillasimius
Period12/06/2215/06/22

Bibliographical note

Publisher Copyright:
© 2022 IEEE.

Keywords

  • Behavioral modeling
  • Level-3
  • Organic Thin Film Transistors
  • Pentacene
  • SPICE

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