A Fast Wake-Up and High Accuracy Sensor Interface by Synchronous Sampling with Power-Efficient Switching Regulator

Yuya Fuketa, Kohei Tatehora, Yohsuke Shiiki, Shuya Nakagawa, Hiroki Ishikuro

研究成果: Conference contribution

抄録

This paper proposes a high-accuracy readout system with a high-efficient DC-DC converter. Thanks to a switching DC-DC converter with high conversion efficiency, the power loss in a regulator can be reduced. In the proposed system, sampling is performed using a synchronization signal generated from the switching regulator to avoid deterioration of readout accuracy caused by the ripple noise of the switching converter. Since the proposed technique does not require a large capacitor for ripple reduction, the wake-up time can be reduced, which is suitable for IoT devices operating intermittently. A prototype system developed in this work has achieved a reduction in sensor resistance readout variation to 0.006% while maintaining a high-speed wake-up.

本文言語English
ホスト出版物のタイトル2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Proceedings
出版社Institute of Electrical and Electronics Engineers Inc.
ページ154-157
ページ数4
ISBN(電子版)9781665424615
DOI
出版ステータスPublished - 2021 8 9
イベント2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021 - Virtual, East Lansing, United States
継続期間: 2021 8 92021 8 11

出版物シリーズ

名前Midwest Symposium on Circuits and Systems
2021-August
ISSN(印刷版)1548-3746

Conference

Conference2021 IEEE International Midwest Symposium on Circuits and Systems, MWSCAS 2021
国/地域United States
CityVirtual, East Lansing
Period21/8/921/8/11

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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