An Ultra-Low Power Soft-Switching Self-Oscillating SIMO Converter for Implantable Stimulation Systems

被引：8

作者：

Choi, Hyeon-Ji ^{[1
]}

Bae, Chisung ^{[2
]}

Huh, Yeunhee ^{[2
]}

Kim, Sang Joon ^{[2
]}

Jung, Seungchul ^{[2
]}

Yoon, Kye-Seok ^{[2
]}

Cho, Joo-Mi ^{[1
]}

Park, Hyo-Jin ^{[1
]}

Lee, Chan-Ho ^{[1
]}

Park, Su-Min ^{[1
]}

Baik, Esun ^{[1
]}

Oh, Young-Ju ^{[1
]}

Ahn, Ho-Chan ^{[1
]}

Lee, Chan-Kyu ^{[1
]}

Hong, Sung-Wan ^{[1
]}

机构：

[1] Sogang Univ, Dept Elect Engn, Seoul 04107, South Korea

[2] Samsung Elect, Suwon 16678, South Korea

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2023年 / 70卷 / 08期

基金：

新加坡国家研究基金会;

关键词：

Implantable stimulation system; single-inductor multiple-output (SIMO) converter; soft-switching technique;

D O I：

10.1109/TIE.2022.3231256

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 letter proposes an ultralow power single-inductor multiple-output converter for an implantable stimulation system. This converter minimizes the number of switches turning ON and OFF to deliver power to outputs of 0.8, 1.8, and 20 V, and it uses a soft-switching technique for all switching nodes. It also operates with a self-oscillating controller only when outputs require power. As a result, it has a peak efficiency of 92.3% when the converter generates the outputs of 0.8 and 1.8 V, of which load currents are 2 and 0.5 mA, respectively, from a battery voltage of 3 V. The converter consumes a quiescent power of less than 3.0 mu W.

引用

页码：8603 / 8608

页数：6

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