Proceedings of the 2016 International Conference on Engineering and Advanced Technology

High-efficiency Rectifier for Passive RF Energy Harvesting Devices

Authors
Yuchen Wang, Xiaohong Peng, Ligang Hou, Shuqin Geng
Corresponding Author
Yuchen Wang
Available Online May 2016.
DOI
https://doi.org/10.2991/iceat-16.2017.74How to use a DOI?
Keywords
differential rectifier, RF-DC converter, wireless power transmission, CMOS integrated circuit
Abstract

In this paper, a highly efficient differential rectifier for passive radio frequency (RF) energy harvesting device is designed. The circuit uses the differential-drive CMOS to reduce the RF energy loss caused by the MOS threshold voltage during rectification and improve the rectification efficiency of the circuit. The circuit was fabricated with a 0.35 m CMOS process and the overall RF-DC power conversion efficiency for a DC output power of 160 W (2.5V and 64 A) is about 50%. When high voltage is needed for stimulator output, the maximum efficiency for a 4V DC voltage reaches 66.5% at -3dBm. The proposed rectifier allows the output voltage higher than 6V. It is suitable for such applications that require high RF input power such as implantable medical devices (IMDs) and passive industrial sensor.

Copyright
© 2017, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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Volume Title
Proceedings of the 2016 International Conference on Engineering and Advanced Technology
Series
Advances in Engineering Research
Publication Date
May 2016
ISBN
978-94-6252-294-7
ISSN
2352-5401
DOI
https://doi.org/10.2991/iceat-16.2017.74How to use a DOI?
Copyright
© 2017, the Authors. Published by Atlantis Press.
Open Access
This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Cite this article

TY  - CONF
AU  - Yuchen Wang
AU  - Xiaohong Peng
AU  - Ligang Hou
AU  - Shuqin Geng
PY  - 2016/05
DA  - 2016/05
TI  - High-efficiency Rectifier for Passive RF Energy Harvesting Devices
BT  - Proceedings of the 2016 International Conference on Engineering and Advanced Technology
PB  - Atlantis Press
SP  - 364
EP  - 369
SN  - 2352-5401
UR  - https://doi.org/10.2991/iceat-16.2017.74
DO  - https://doi.org/10.2991/iceat-16.2017.74
ID  - Wang2016/05
ER  -