Step-up/step-down DC-DC converter whose current passes through only one switch

被引：0
|
作者：
Sato, Takahide [1 ]
Ogawa, Satomi [1 ]
Tamura, Yutaka [2 ]
机构：
[1] Univ Yamanashi, Dept Elect & Elect Engn, Kufu, Japan
[2] Toshiba Informat Syst Corp, Kawasaki, Kanagawa, Japan
来源：
2020 IEEE 63RD INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS (MWSCAS) | 2020年
关键词：
DC-DC converter; energy harvesting; high efficiency;
D O I：
10.1109/mwscas48704.2020.9184479
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper proposes a novel DC-DC converter with only one switch on the main current path of the power stage. Since the number of switches is reduced on the current path, the efficiency is improved. The wide input/output voltage range is also realized by having three types of operation modes of step-up mode, step-up/step-down mode and step-down mode. The advantages of the proposed circuit have been confirmed by theoretical analysis and simulations. Post layout simulation results show that the proposed circuit has an efficiency of more than 87% in the 0.5V to 2.5V input range with 1.8-V output voltage and 10-mA output current.
引用
收藏
页码：925 / 928
页数：4
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