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Minimum Power Input Control for Class-E Amplifier Using Depletion-Mode Gallium Nitride High Electron Mobility Transistor

Author

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  • You-Chen Weng

    (Department of Material Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan)

  • Chih-Chiang Wu

    (Mechanical and Mechatronics Systems Research Laboratories, Industrial Technology Research Institute, Hsinchu 31040, Taiwan)

  • Edward Yi Chang

    (Department of Material Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan)

  • Wei-Hua Chieng

    (Department of Mechanical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan)

Abstract

In this study, we implemented a depletion (D)-mode gallium nitride high electron mobility transistor (GaN HEMT, which has the advantage of having no body diode) in a class-E amplifier. Instead of applying a zero voltage switching control, which requires high frequency sampling at a high voltage (>600 V), we developed an innovative control method called the minimum power input control. The output of this minimum power input control can be presented in simple empirical equations allowing the optimal power transfer efficiency for 6.78 MHz resonant wireless power transfer (WPT). In order to reduce the switching loss, a gate drive design for the D-mode GaN HEMT, which is highly influential for the reliability of the resonant WPT, was also produced and described here for circuit designers.

Suggested Citation

  • You-Chen Weng & Chih-Chiang Wu & Edward Yi Chang & Wei-Hua Chieng, 2021. "Minimum Power Input Control for Class-E Amplifier Using Depletion-Mode Gallium Nitride High Electron Mobility Transistor," Energies, MDPI, vol. 14(8), pages 1-16, April.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:8:p:2302-:d:539084
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    References listed on IDEAS

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    1. Ben Minnaert & Alessandra Costanzo & Giuseppina Monti & Mauro Mongiardo, 2020. "Capacitive Wireless Power Transfer with Multiple Transmitters: Efficiency Optimization," Energies, MDPI, vol. 13(13), pages 1-17, July.
    2. Feng Wen & Rui Li, 2019. "Parameter Analysis and Optimization of Class-E Power Amplifier Used in Wireless Power Transfer System," Energies, MDPI, vol. 12(17), pages 1-13, August.
    3. Chaoqiang Jiang & K. T. Chau & Chunhua Liu & Christopher H. T. Lee, 2017. "An Overview of Resonant Circuits for Wireless Power Transfer," Energies, MDPI, vol. 10(7), pages 1-20, June.
    4. Aam Muharam & Suziana Ahmad & Reiji Hattori, 2020. "Scaling-Factor and Design Guidelines for Shielded-Capacitive Power Transfer," Energies, MDPI, vol. 13(16), pages 1-22, August.
    5. Seung-Hwan Lee & Kyung-Pyo Yi & Myung-Yong Kim, 2019. "6.78-MHz, 50-W Wireless Power Supply Over a 60-cm Distance Using a GaN-Based Full-Bridge Inverter," Energies, MDPI, vol. 12(3), pages 1-19, January.
    6. Ching-Yao Liu & Guo-Bin Wang & Chih-Chiang Wu & Edward Yi Chang & Stone Cheng & Wei-Hua Chieng, 2021. "Derivation of the Resonance Mechanism for Wireless Power Transfer Using Class-E Amplifier," Energies, MDPI, vol. 14(3), pages 1-22, January.
    7. Changping Li & Bo Wang & Ruining Huang & Ying Yi, 2019. "A Resonant Coupling Power Transfer System Using Two Driving Coils," Energies, MDPI, vol. 12(15), pages 1-11, July.
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    Citations

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    Cited by:

    1. Chih-Chiang Wu & Ching-Yao Liu & Sandeep Anand & Wei-Hua Chieng & Edward-Yi Chang & Arnab Sarkar, 2021. "Comparisons on Different Innovative Cascode GaN HEMT E-Mode Power Modules and Their Efficiencies on the Flyback Converter," Energies, MDPI, vol. 14(18), pages 1-26, September.
    2. Yueh-Tsung Shieh & Ching-Yao Liu & Chih-Chiang Wu & Wei-Hua Chieng & Edward-Yi Chang, 2022. "Flyback Converter Using a D-Mode GaN HEMT Synchronous Rectifier," Energies, MDPI, vol. 15(9), pages 1-21, April.
    3. Chih-Chiang Wu & Ching-Yao Liu & Guo-Bin Wang & Yueh-Tsung Shieh & Wei-Hua Chieng & Edward Yi Chang, 2021. "A New GaN-Based Device, P-Cascode GaN HEMT, and Its Synchronous Buck Converter Circuit Realization," Energies, MDPI, vol. 14(12), pages 1-23, June.
    4. Yueh-Tsung Shieh & Chih-Chiang Wu & Shyr-Long Jeng & Ching-Yao Liu & Shiang-Yu Hsieh & Chi-Chun Haung & Wen-Yuh Shieh & Wei-Hua Chieng & Edward-Yi Chang, 2023. "A Turn-Ratio-Changing Half-Bridge CLLC DC–DC Bidirectional Battery Charger Using a GaN HEMT," Energies, MDPI, vol. 16(16), pages 1-28, August.
    5. Ching-Yao Liu & Chih-Chiang Wu & Li-Chuan Tang & Yueh-Tsung Shieh & Wei-Hua Chieng & Edward-Yi Chang, 2023. "Resonant Mechanism for a Long-Distance Wireless Power Transfer Using Class E PA and GaN HEMT," Energies, MDPI, vol. 16(9), pages 1-21, April.
    6. Rustam Kumar & Chih-Chiang Wu & Ching-Yao Liu & Yu-Lin Hsiao & Wei-Hua Chieng & Edward-Yi Chang, 2021. "Discontinuous Current Mode Modeling and Zero Current Switching of Flyback Converter," Energies, MDPI, vol. 14(18), pages 1-23, September.
    7. Li-Chuan Tang & Shyr-Long Jeng & Edward-Yi Chang & Wei-Hua Chieng, 2021. "Variable-Frequency Pulse Width Modulation Circuits for Resonant Wireless Power Transfer," Energies, MDPI, vol. 14(12), pages 1-25, June.

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