A Single-Inductor Dual-Ouput (SIDO) DC-DC Converter for Implantable Medical Devices in 180nm Standard CMOS Process

Pei Chun Liao, Yi Lun Chen, Po-Hung Chen

研究成果: Conference contribution同行評審

5 引文 斯高帕斯(Scopus)

摘要

In this paper, a single-inductor dual-output (SIDO) buck converter is developed for implantable medical devices. The stacked power stage with startup circuit is designed to avoid overstress issue in 180nm CMOS process for 3.4 V to 5 V battery input. The converter provides two regulated outputs for the charge pump (V OUT 1=3 V) and the digital circuits (V OUT 2=2\ V) with low cross regulation with pulse-skip modulation. An adaptive on-time (AOT) circuit adjusts on time dynamically based on the input voltage (VIN) to obtain high conversion efficiency and low output voltage ripple under different VIN. The measurement results demonstrates that the proposed converter achieves peak efficiency of 93.6% with an available input voltage of 3.4 V to 5 V.

原文English
主出版物標題2018 25th IEEE International Conference on Electronics Circuits and Systems, ICECS 2018
發行者Institute of Electrical and Electronics Engineers Inc.
頁面601-604
頁數4
ISBN(電子)9781538695623
DOIs
出版狀態Published - 17 1月 2019
事件25th IEEE International Conference on Electronics Circuits and Systems, ICECS 2018 - Bordeaux, France
持續時間: 9 12月 201812 12月 2018

出版系列

名字2018 25th IEEE International Conference on Electronics Circuits and Systems, ICECS 2018

Conference

Conference25th IEEE International Conference on Electronics Circuits and Systems, ICECS 2018
國家/地區France
城市Bordeaux
期間9/12/1812/12/18

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