High-Precision Adaptive Slope Compensation Circuit for DC-DC Converter in Wearable Devices

Hua Fan; Weiping Cheng; Quanyuan Feng; Lang Feng; Dagang Li; Xiaopeng Diao; Yuanjun Cen; Hadi Heidari

doi:10.1109/ACCESS.2020.2974852

IEEE Access (Jan 2020)

High-Precision Adaptive Slope Compensation Circuit for DC-DC Converter in Wearable Devices

Hua Fan,
Weiping Cheng,
Quanyuan Feng,
Lang Feng,
Dagang Li,
Xiaopeng Diao,
Yuanjun Cen,
Hadi Heidari

Affiliations

Hua Fan: ORCiD; School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Weiping Cheng: ORCiD; School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China
Quanyuan Feng: ORCiD; School of Information Science and Technology, Southwest Jiaotong University, Chengdu, China
Lang Feng: ORCiD; Chengdu Sino Microelectronics Technology Co., Ltd., Chengdu, China
Dagang Li: ORCiD; Chengdu Sino Microelectronics Technology Co., Ltd., Chengdu, China
Xiaopeng Diao: ORCiD; Chengdu Sino Microelectronics Technology Co., Ltd., Chengdu, China
Yuanjun Cen: ORCiD; Chengdu Sino Microelectronics Technology Co., Ltd., Chengdu, China
Hadi Heidari: ORCiD; School of Engineering, University of Glasgow, Glasgow, U.K.

DOI: https://doi.org/10.1109/ACCESS.2020.2974852
Journal volume & issue: Vol. 8
pp. 34104 – 34112

Abstract

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This paper presents a high precision adaptive slope compensation circuit for for DC -DC converter in wearable devices. Compared with the traditional adaptive slope compensation circuit, the comparator is used to sample the output voltage and input voltage, which greatly improves the accuracy.ln this paper, the circuit is designed in UMC 0.18-p,m CMOS Technology and verified by Virtuoso Spectre Circuit Simulator. The simulation results show that the accuracy of the adaptive slope compensation circuit in this paper can reach more than 96%.

Published in IEEE Access

ISSN: 2169-3536 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering
Website: https://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=6287639

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