Semi-active high-efficient CMOS rectifier for wireless power transmission

Author

Kim, Stephen T. ; Song, Taejoong ; Choi, Jaehyouk ; Bien, Franklin ; Lim, Kyutae ; Laskar, Joy

Author_Institution

Georgia Electr. Design Center, Georgia Inst. of Technol., Atlanta, GA, USA

fYear

2010

fDate

23-25 May 2010

Firstpage

97

Lastpage

100

Abstract

A semi-active high-efficient (SA-HE) CMOS rectifier with reverse leakage control has been developed. It employs a cross-coupled NMOS pair and two leakage control comparators to reduce reverse charge leakage current. In addition, the adaptive body bias control technique is utilized to improve the reliability of the rectifier. The SA-HE rectifier has been fabricated in a 0.18um CMOS technology and shows 15% improvement over conventional rectifiers.

Keywords

CMOS integrated circuits; comparators (circuits); rectifiers; SA-HE rectifier; cross-coupled NMOS pair; leakage control comparator; reverse leakage control; semiactive high-efficient CMOS rectifier; size 0.18 micron; wireless power transmission; Biosensors; CMOS technology; Leakage current; MOS devices; Power transmission; Radio frequency; Rectifiers; Schottky diodes; Voltage; Wireless sensor networks; Rectifier; bio-implantable devices; semi-active; wireless power transmission; wireless sensor;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio Frequency Integrated Circuits Symposium (RFIC), 2010 IEEE

Conference_Location

Anaheim, CA

ISSN

1529-2517

Print_ISBN

978-1-4244-6240-7

Type

conf

DOI

10.1109/RFIC.2010.5477403

Filename

5477403