A Family of Step-Up Series-Parallel Dual Resonant Switched-Capacitor Converters with Wide Regulation Range

Wenhao Xie; Shouxiang Li; Yifei Zheng; Keyue Ma Smedley; Jianze Wang; Yanchao Ji; Jilai Yu

doi:10.1109/TPEL.2019.2930686

A Family of Step-Up Series-Parallel Dual Resonant Switched-Capacitor Converters with Wide Regulation Range

Wenhao Xie
, Shouxiang Li^*
, Yifei Zheng
, Keyue Ma Smedley
, Jianze Wang
, Yanchao Ji
, Jilai Yu

^*Corresponding author for this work

School of Electrical Engineering and Automation, Harbin Institute of Technology
Beijing Institute of Technology
University of California at Irvine

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

In this paper, a family of new step-up series-parallel dual resonant switched-capacitor converters (SP-DRSCs) is proposed to extend the conversion ratio for high step-up applications. The converters feature a wide gain range, continuously adjustable, and enhanced light-load voltage regulation. All flying capacitors operate in resonance, eliminating high transient current spikes and charge sharing losses. Thus, zero-current-switching (ZCS) turn-on for all transistors and ZCS turn-off for all diodes are achieved. A comprehensive analysis of the operation principle, voltage-gain curves, stable regulation range, and voltage and current stress is given. An analytical method to quantify the passive component volume for the group of step-up dual resonance switched-capacitor converters is presented. Further design considerations to optimize the passive component volume of the proposed SP-DRSC and the effect of bulky bypass capacitors on the volume are discussed.

Original language	English
Article number	8769854
Pages (from-to)	2724-2736
Number of pages	13
Journal	IEEE Transactions on Power Electronics
Volume	35
Issue number	3
DOIs	https://doi.org/10.1109/TPEL.2019.2930686
State	Published - Mar 2020
Externally published	Yes

Keywords

Switched-capacitor converter (SCC)
dual resonant
passive component volume
series-parallel (SP)

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10.1109/TPEL.2019.2930686

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title = "A Family of Step-Up Series-Parallel Dual Resonant Switched-Capacitor Converters with Wide Regulation Range",

abstract = "In this paper, a family of new step-up series-parallel dual resonant switched-capacitor converters (SP-DRSCs) is proposed to extend the conversion ratio for high step-up applications. The converters feature a wide gain range, continuously adjustable, and enhanced light-load voltage regulation. All flying capacitors operate in resonance, eliminating high transient current spikes and charge sharing losses. Thus, zero-current-switching (ZCS) turn-on for all transistors and ZCS turn-off for all diodes are achieved. A comprehensive analysis of the operation principle, voltage-gain curves, stable regulation range, and voltage and current stress is given. An analytical method to quantify the passive component volume for the group of step-up dual resonance switched-capacitor converters is presented. Further design considerations to optimize the passive component volume of the proposed SP-DRSC and the effect of bulky bypass capacitors on the volume are discussed.",

keywords = "Switched-capacitor converter (SCC), dual resonant, passive component volume, series-parallel (SP)",

author = "Wenhao Xie and Shouxiang Li and Yifei Zheng and Smedley, \{Keyue Ma\} and Jianze Wang and Yanchao Ji and Jilai Yu",

note = "Publisher Copyright: {\textcopyright} 1986-2012 IEEE.",

year = "2020",

month = mar,

doi = "10.1109/TPEL.2019.2930686",

language = "英语",

volume = "35",

pages = "2724--2736",

journal = "IEEE Transactions on Power Electronics",

issn = "0885-8993",

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number = "3",

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AU - Xie, Wenhao

AU - Li, Shouxiang

AU - Zheng, Yifei

AU - Smedley, Keyue Ma

AU - Wang, Jianze

AU - Ji, Yanchao

AU - Yu, Jilai

PY - 2020/3

Y1 - 2020/3

N2 - In this paper, a family of new step-up series-parallel dual resonant switched-capacitor converters (SP-DRSCs) is proposed to extend the conversion ratio for high step-up applications. The converters feature a wide gain range, continuously adjustable, and enhanced light-load voltage regulation. All flying capacitors operate in resonance, eliminating high transient current spikes and charge sharing losses. Thus, zero-current-switching (ZCS) turn-on for all transistors and ZCS turn-off for all diodes are achieved. A comprehensive analysis of the operation principle, voltage-gain curves, stable regulation range, and voltage and current stress is given. An analytical method to quantify the passive component volume for the group of step-up dual resonance switched-capacitor converters is presented. Further design considerations to optimize the passive component volume of the proposed SP-DRSC and the effect of bulky bypass capacitors on the volume are discussed.

AB - In this paper, a family of new step-up series-parallel dual resonant switched-capacitor converters (SP-DRSCs) is proposed to extend the conversion ratio for high step-up applications. The converters feature a wide gain range, continuously adjustable, and enhanced light-load voltage regulation. All flying capacitors operate in resonance, eliminating high transient current spikes and charge sharing losses. Thus, zero-current-switching (ZCS) turn-on for all transistors and ZCS turn-off for all diodes are achieved. A comprehensive analysis of the operation principle, voltage-gain curves, stable regulation range, and voltage and current stress is given. An analytical method to quantify the passive component volume for the group of step-up dual resonance switched-capacitor converters is presented. Further design considerations to optimize the passive component volume of the proposed SP-DRSC and the effect of bulky bypass capacitors on the volume are discussed.

KW - Switched-capacitor converter (SCC)

KW - dual resonant

KW - passive component volume

KW - series-parallel (SP)

UR - https://www.scopus.com/pages/publications/85077189853

U2 - 10.1109/TPEL.2019.2930686

DO - 10.1109/TPEL.2019.2930686

M3 - 文章

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SN - 0885-8993

VL - 35

SP - 2724

EP - 2736

JO - IEEE Transactions on Power Electronics

JF - IEEE Transactions on Power Electronics

IS - 3

M1 - 8769854

ER -

A Family of Step-Up Series-Parallel Dual Resonant Switched-Capacitor Converters with Wide Regulation Range

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Keywords

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