Novel Control Techniques for DC-DC Converters

A special issue of Journal of Low Power Electronics and Applications (ISSN 2079-9268).

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 3470

Special Issue Editor


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Guest Editor
Department of Radio & Information Communications Engineering (RICE), Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
Interests: delta-sigma modulation; CMOS integrated circuits; operational amplifiers; resonator filters; switching convertors; CMOS digital integrated circuits; DC-DC power convertors; analogue-digital
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Special Issue Information

Dear Colleagues,

The switch-mode power supply (SMPS) is widely used as a voltage regulator in battery-powered portable electronics because of its high conversion efficiency. These converters must exhibit a high conversion efficiency to extend the battery life and minimize the chip area to be cost-effective. Moreover, low noise characteristics should accompany this in order to achieve high performance in precision analog blocks. In recent years, an approach to improve the performances of these converters, such as conversion efficiency, range of conversion voltages and load currents, transient responses, and switching noises using a novel control technique, has received increasing attention. Replacing the conventional control scheme with a new one can yield high efficiency with improved dynamic characteristics. The readers of this Special Issue will be able to familiarize themselves with recent advances in DC–DC converters focusing on new control techniques. Topics include but are not limited to:

  • Switched mode power supplies (SMPS) with new control techniques;
  • Control method of SMPS for high efficiency;
  • New approaches to improve the switching noise;
  • Various control schemes for the transient response and the range of conversion voltages and load current;
  • New techniques to construct peripheral circuits, such as start-up references and protection circuits.

Dr. Young-Kyun Cho
Guest Editor

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Published Papers (1 paper)

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Research

19 pages, 2249 KiB  
Article
Low Power Photo-Voltaic Harvesting Matrix Based Boost DC–DC Converter with Recycled and Synchro-Recycled Scheme
by Maziar Rastmanesh, Ezz El-Masry and Kamal El-Sankary
J. Low Power Electron. Appl. 2020, 10(4), 39; https://doi.org/10.3390/jlpea10040039 - 18 Nov 2020
Cited by 4 | Viewed by 2863
Abstract
Photo-voltaic (PV) power harvest can have decent efficiency when dealing with high power. When operating with a DC–DC boost converter during the low-power harvest, its efficiency and output voltage are degraded due to excessive losses in the converter components. The objective of this [...] Read more.
Photo-voltaic (PV) power harvest can have decent efficiency when dealing with high power. When operating with a DC–DC boost converter during the low-power harvest, its efficiency and output voltage are degraded due to excessive losses in the converter components. The objective of this paper is to present a systematic approach to designing an efficient low-power photo-voltaic harvesting topology with an improved efficiency and output voltage. The proposed topology uses a boost converter with and extra inductor in recycled and synchro-recycled techniques in continuous current mode (CCM). By exploiting the non-linearity of the PV cell, it reduces the power loss and using the current stored in the second inductor, it enhances the output voltage and output power simultaneously. Further, by utilizing the Metal Oxide Silicon Field Effect Transistor’s (MOSFET) body diode as a switch, it maintains a minimum hardware, and introduces a negligible impact on the reliability. The test results of the proposed boost converters show that it achieves a decent power and output voltage. Theoretical and experimental results of the proposed topologies with a tested prototype are presented along with a strategy to maximize power and voltage conversion efficiencies and output voltage. Full article
(This article belongs to the Special Issue Novel Control Techniques for DC-DC Converters)
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