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A New Combined Boost Converter with Improved Voltage Gain as a Battery-Powered Front-End Interface for Automotive Audio Amplifiers

Author

Listed:
  • Ching-Ming Lai

    (Department of Vehicle Engineering, National Taipei University of Technology, 1, Sec. 3, Chung-Hsiao E. Road, Taipei 106, Taiwan)

  • Yu-Huei Cheng

    (Department of Information and Communication Engineering, Chaoyang University of Technology, Taichung 41349, Taiwan)

  • Jiashen Teh

    (School of Electrical and Electronic Engineering, Universiti Sains Malaysia, USM Engineering Campus, Nibong Tebal, Seberang Perai Selatan 14300, Penang, Malaysia)

  • Yuan-Chih Lin

    (Department of Electrical Engineering, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd., Taipei 106, Taiwan)

Abstract

High boost DC/DC voltage conversion is always indispensable in a power electronic interface of certain battery-powered electrical equipment. However, a conventional boost converter works for a wide duty cycle for such high voltage gain, which increases power consumption and has low reliability problems. In order to solve this issue, a new battery-powered combined boost converter with an interleaved structure consisting of two phases used in automotive audio amplifier is presented. The first phase uses a conventional boost converter; the second phase employs the inverted type. With this architecture, a higher boost voltage gain is able to be achieved. A derivation of the operating principles of the converter, analyses of its topology, as well as a closed-loop control designs are performed in this study. Furthermore, simulations and experiments are also performed using input voltage of 12 V for a 120 W circuit. A reasonable duty cycle is selected to reach output voltage of 60 V, which corresponds to static voltage gain of five. The converter achieves a maximum measured conversion efficiency of 98.7% and the full load efficiency of 89.1%.

Suggested Citation

  • Ching-Ming Lai & Yu-Huei Cheng & Jiashen Teh & Yuan-Chih Lin, 2017. "A New Combined Boost Converter with Improved Voltage Gain as a Battery-Powered Front-End Interface for Automotive Audio Amplifiers," Energies, MDPI, vol. 10(8), pages 1-20, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:8:p:1128-:d:106568
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    References listed on IDEAS

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    1. Ching-Ming Lai & Yuan-Chih Lin & Dasheng Lee, 2015. "Study and Implementation of a Two-Phase Interleaved Bidirectional DC/DC Converter for Vehicle and DC-Microgrid Systems," Energies, MDPI, vol. 8(9), pages 1-23, September.
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    1. Matej Bereš & Dobroslav Kováč & Tibor Vince & Irena Kováčová & Ján Molnár & Iveta Tomčíková & Jozef Dziak & Patrik Jacko & Branislav Fecko & Šimon Gans, 2021. "Efficiency Enhancement of Non-Isolated DC-DC Interleaved Buck Converter for Renewable Energy Sources," Energies, MDPI, vol. 14(14), pages 1-15, July.
    2. Hassan M. H. Farh & Mohd F. Othman & Ali M. Eltamaly & M. S. Al-Saud, 2018. "Maximum Power Extraction from a Partially Shaded PV System Using an Interleaved Boost Converter," Energies, MDPI, vol. 11(10), pages 1-18, September.
    3. Mohammad Haidar & Hussein Chible & Corrado Boragno & Daniele D. Caviglia, 2021. "A Low Power AC/DC Interface for Wind-Powered Sensor Nodes," Energies, MDPI, vol. 14(7), pages 1-14, March.

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