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

被引：4
|
作者：
Fan, Hua [1 ]
Cheng, Weiping [1 ]
Feng, Quanyuan [2 ]
Feng, Lang [3 ]
Li, Dagang [3 ]
Diao, Xiaopeng [3 ]
Cen, Yuanjun [3 ]
Heidari, Hadi [4 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Elect Sci & Engn, Chengdu 610054, Sichuan, Peoples R China
[2] Southwest Jiaotong Univ, Sch Informat Sci & Technol, Chengdu 611756, Sichuan, Peoples R China
[3] Chengdu Sino Microelect Technol Co Ltd, Chengdu 610041, Sichuan, Peoples R China
[4] Univ Glasgow, Sch Engn, Glasgow G12 8QQ, Lanark, Scotland
来源：
IEEE ACCESS | 2020年 / 8卷 / 34104-34112期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Adaptive slope compensation; DC-DC; wearable devices; accuracy;
D O I：
10.1109/ACCESS.2020.2974852
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
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. In this paper, the circuit is designed in UMC 0.18-mu 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%.
引用
收藏
页码：34104 / 34112
页数：9
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