A 12V-to-1V switched-capacitor-assisted hybrid converter with dual-path charge conduction and zero-voltage switching

doi:10.1587/elex.18.20210382

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	A 12V-to-1V switched-capacitor-assisted hybrid converter with dual-path charge conduction and zero-voltage switching
	Zhang, Xiongjie1 ; Ma, Qiaobo1 ; Jiang, Yang1 ; Law, Man Kay 1; Mak, Pui In 1; Martins, Rui P.1,2
	2021-11-25
Source Publication	IEICE Electronics Express
ISSN	1349-2543
Volume	18 Issue:22 Pages:1-5
Abstract	This paper proposes a direct 12V-to-1V hybrid converter using a switched-capacitor-assisted (SCA) topology, featuring dual-path output current conduction to lower the inductor current. In contrast to the existing dual-path structures, the proposed topology realizes a high step-down conversion with efficiency improvement in heavy-load conditions. Besides, the converter further achieves an efficiency boost in light-load conditions using zero-voltage switching. Designed in a 180-nm SOI BCD process, the proposed converter regulates an output of 0.7∼1.3V from a 12-V input with a peak efficiency of 92%. Under a loading current of 2A, it attains an efficiency over 84% at the 1-V output. Compared with the conventional buck, it achieves an improvement of 9.8% in peak efficiency and 13.6% in maximum-loading efficiency.
Keyword	Hybrid Buck Converter Zero-voltage Switching High Step-down Dual-path Dcr Loss Reduction
DOI	10.1587/elex.18.20210382
Indexed By	SCIE
Language	英語English
WOS Research Area	Engineering
WOS Subject	Engineering, Electrical & Electronic
WOS ID	WOS:000720397300001
Publisher	IEICE-INST ELECTRONICS INFORMATION COMMUNICATION ENGINEERSKIKAI-SHINKO-KAIKAN BLDG, 3-5-8, SHIBA-KOEN, MINATO-KU, TOKYO 105-0011, JAPAN
The Source to Article	PB_Publication
Scopus ID	2-s2.0-85121027960
Fulltext Access	View Full-Text via DOI View Full-Text via Web of Science
Citation statistics
Document Type	Journal article
Collection	Faculty of Science and Technology THE STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI (UNIVERSITY OF MACAU) INSTITUTE OF MICROELECTRONICS DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding Author	Jiang, Yang
Affiliation	1.State Key Laboratory of Analog and Mixed-Signal VLSI, Institute of Microelectronics, Faculty of Science and Technology – ECE, University of Macau, 999078, Macao 2.Instituto Superior Técnico, Universidade de Lisboa, Lisbon, 1049-001, Portugal
First Author Affilication	Faculty of Science and Technology
Corresponding Author Affilication	Faculty of Science and Technology
Recommended Citation GB/T 7714	Zhang, Xiongjie,Ma, Qiaobo,Jiang, Yang,et al. A 12V-to-1V switched-capacitor-assisted hybrid converter with dual-path charge conduction and zero-voltage switching[J]. IEICE Electronics Express, 2021, 18(22), 1-5.
APA	Zhang, Xiongjie., Ma, Qiaobo., Jiang, Yang., Law, Man Kay., Mak, Pui In., & Martins, Rui P. (2021). A 12V-to-1V switched-capacitor-assisted hybrid converter with dual-path charge conduction and zero-voltage switching. IEICE Electronics Express, 18(22), 1-5.
MLA	Zhang, Xiongjie,et al."A 12V-to-1V switched-capacitor-assisted hybrid converter with dual-path charge conduction and zero-voltage switching".IEICE Electronics Express 18.22(2021):1-5.

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