A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system

Hyeonseok Hwang; Byeonghak Jo; Sechun Park; Soo-Won Kim; Chan Hui Jeong; Junil Moon

doi:10.1109/TENCON.2014.7022380

A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system

Hyeonseok Hwang, Byeonghak Jo, Sechun Park, Soo-Won Kim, Chan Hui Jeong, Junil Moon

School of Electrical Engineering

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

Abstract

A 13.56 MHz CMOS ring oscillator for DC/DC converter is demonstrated where measured performances make it suitable for wireless power transfer receiver system. The proposed structure employs a supply-regulated ring oscillator with a temperature compensated current bias circuit, which minimizes the frequency sensitivity to supply and temperature variations. Fabricated in a 0.11 μm 1P5M CMOS process, the developed oscillator as a switching frequency generator of DC/DC converter dissipates maximum 6.8 mW while exhibiting ±0.88 % frequency error against temperature variation of 0-125 °C.

Original language	English
Title of host publication	IEEE Region 10 Annual International Conference, Proceedings/TENCON
Publisher	Institute of Electrical and Electronics Engineers Inc.
Volume	2015-January
ISBN (Print)	9781479940752
DOIs	https://doi.org/10.1109/TENCON.2014.7022380
Publication status	Published - 2015 Jan 26
Event	2014 IEEE Region 10 Conference, TENCON 2014 - Bangkok, Thailand Duration: 2014 Oct 22 → 2014 Oct 25

Other

Other	2014 IEEE Region 10 Conference, TENCON 2014
Country	Thailand
City	Bangkok
Period	14/10/22 → 14/10/25

Fingerprint

Keywords

clock generation
ring oscillator
temperature compensation
wireless power transfer

ASJC Scopus subject areas

Electrical and Electronic Engineering
Computer Science Applications

Cite this

Hwang, H., Jo, B., Park, S., Kim, S-W., Jeong, C. H., & Moon, J. (2015). A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system. In IEEE Region 10 Annual International Conference, Proceedings/TENCON (Vol. 2015-January). [7022380] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/TENCON.2014.7022380

A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system. / Hwang, Hyeonseok; Jo, Byeonghak; Park, Sechun; Kim, Soo-Won; Jeong, Chan Hui; Moon, Junil.

IEEE Region 10 Annual International Conference, Proceedings/TENCON. Vol. 2015-January Institute of Electrical and Electronics Engineers Inc., 2015. 7022380.

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

Hwang, H, Jo, B, Park, S, Kim, S-W, Jeong, CH & Moon, J 2015, A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system. in IEEE Region 10 Annual International Conference, Proceedings/TENCON. vol. 2015-January, 7022380, Institute of Electrical and Electronics Engineers Inc., 2014 IEEE Region 10 Conference, TENCON 2014, Bangkok, Thailand, 14/10/22. https://doi.org/10.1109/TENCON.2014.7022380

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Access to Document

10.1109/TENCON.2014.7022380