A low voltage CMOS rectifier for wirelessly powered devices

Qiang Li; Renyuan Zhang; Zhangcai Huang; Yasuaki Inoue

doi:10.1109/ISCAS.2010.5537419

A low voltage CMOS rectifier for wirelessly powered devices

Qiang Li, Renyuan Zhang, Zhangcai Huang, Yasuaki Inoue

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

15 Citations (Scopus)

Abstract

This paper presents a low voltage CMOS full-wave rectifier for wirelessly powered devices. By using a simple comparator-controlled switch, the lowest input voltage amplitude can be reduced to 0.7V when using a standard CMOS 0.18μm process. With only one comparator, the proposed design dramatically reduces the production cost. In combination with unbalanced transistor scale, the proposed rectifier can achieve a maximum peak voltage conversion efficiency of more than 93% and power efficiency near to 87%.

Original language	English
Title of host publication	ISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems
Pages	873-876
Number of pages	4
DOIs	https://doi.org/10.1109/ISCAS.2010.5537419
Publication status	Published - 2010
Event	2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010 - Paris Duration: 2010 May 30 → 2010 Jun 2

Other

Other	2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010
City	Paris
Period	10/5/30 → 10/6/2

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1109/ISCAS.2010.5537419

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Li, Q, Zhang, R, Huang, Z & Inoue, Y 2010, A low voltage CMOS rectifier for wirelessly powered devices. in ISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems., 5537419, pp. 873-876, 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010, Paris, 10/5/30. https://doi.org/10.1109/ISCAS.2010.5537419

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AB - This paper presents a low voltage CMOS full-wave rectifier for wirelessly powered devices. By using a simple comparator-controlled switch, the lowest input voltage amplitude can be reduced to 0.7V when using a standard CMOS 0.18μm process. With only one comparator, the proposed design dramatically reduces the production cost. In combination with unbalanced transistor scale, the proposed rectifier can achieve a maximum peak voltage conversion efficiency of more than 93% and power efficiency near to 87%.

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