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/Territory	Thailand
City	Bangkok
Period	14/10/22 → 14/10/25

Keywords

clock generation
ring oscillator
temperature compensation
wireless power transfer

ASJC Scopus subject areas

Electrical and Electronic Engineering
Computer Science Applications

Access to Document

10.1109/TENCON.2014.7022380

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A 13.56 MHz CMOS ring oscillator for wireless power transfer receiver system. / Hwang, Hyeonseok; Jo, Byeonghak; Park, Sechun et al.

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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AU - Jeong, Chan Hui

AU - Moon, Junil

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N2 - 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.

AB - 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.

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KW - ring oscillator

KW - temperature compensation

KW - wireless power transfer

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BT - IEEE Region 10 Annual International Conference, Proceedings/TENCON

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

Abstract

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Keywords

ASJC Scopus subject areas

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