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 language | English |
|---|---|
| Title of host publication | Proceedings - 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781665467032 |
| DOIs | |
| Publication status | Published - 2022 |
| Externally published | Yes |
| Event | 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022 - Villasimius, Italy Duration: 12 Jun 2022 → 15 Jun 2022 |
Publication series
| Name | Proceedings - 2022 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022 |
|---|
Conference
| Conference | 18th International Conference on Synthesis, Modeling, Analysis and Simulation Methods, and Applications to Circuit Design, SMACD 2022 |
|---|---|
| Country/Territory | Italy |
| City | Villasimius |
| Period | 12/06/22 → 15/06/22 |
Bibliographical note
Publisher Copyright:© 2022 IEEE.
Funding
This work was supported by the Research Fund of Yildiz Technical University (Project no. FDK-2018-3477). This work was also supported in part by the Tubitak 1001 under Project #116E250 and the Tubitak-2501 under Project #218E068
| Funders | Funder number |
|---|---|
| Yildiz Teknik Üniversitesi | 116E250, 218E068, FDK-2018-3477 |
Keywords
- Behavioral modeling
- Level-3
- Organic Thin Film Transistors
- Pentacene
- SPICE
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