A low EMI SIDO wireless power transfer system with 10μsec response time

Toru Kawajiri; Takahiro Moroto; Hiroki Ishikuro

doi:10.1109/ESSCIRC.2015.7313875

A low EMI SIDO wireless power transfer system with 10μsec response time

Toru Kawajiri, Takahiro Moroto, Hiroki Ishikuro

研究成果: Conference contribution

5 被引用数 (Scopus)

抄録

This paper describes a system of single-inductor-dual-output (SIDO) wireless power delivery for mobile applications. By updating control signal in the feedback loop by every switching clock cycle, fast tracking to the load change is realized while spurious emission is suppressed by using pseudorandom-sequence PWM (PRS-PWM). Transmitter and receiver chips were fabricated in 0.18μm CMOS process and mounted on the wireless power transfer test board. The system achieved response time shorter than 10μsec. Two output voltages are regulated at 8V and 16V, and maximum efficiency of 41% was achieved when the total output power is 500mW.

本文言語	English
ホスト出版物のタイトル	European Solid-State Circuits Conference
出版社	IEEE Computer Society
ページ	253-256
ページ数	4
巻	2015-October
ISBN（印刷版）	9781467374705
DOI	https://doi.org/10.1109/ESSCIRC.2015.7313875
出版ステータス	Published - 2015 10月 30
イベント	41st European Solid-State Circuits Conference, ESSCIRC 2015 - Graz, Austria 継続期間: 2015 9月 14 → 2015 9月 18

Other

Other	41st European Solid-State Circuits Conference, ESSCIRC 2015
国/地域	Austria
City	Graz
Period	15/9/14 → 15/9/18

ASJC Scopus subject areas

ハードウェアとアーキテクチャ
電子工学および電気工学

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10.1109/ESSCIRC.2015.7313875

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引用スタイル

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title = "A low EMI SIDO wireless power transfer system with 10μsec response time",

abstract = "This paper describes a system of single-inductor-dual-output (SIDO) wireless power delivery for mobile applications. By updating control signal in the feedback loop by every switching clock cycle, fast tracking to the load change is realized while spurious emission is suppressed by using pseudorandom-sequence PWM (PRS-PWM). Transmitter and receiver chips were fabricated in 0.18μm CMOS process and mounted on the wireless power transfer test board. The system achieved response time shorter than 10μsec. Two output voltages are regulated at 8V and 16V, and maximum efficiency of 41% was achieved when the total output power is 500mW.",

keywords = "Pseudo-Random-Sequence PWM (PRS-PWM), single-inductor dual-output (SIDO), wireless power delivery",

author = "Toru Kawajiri and Takahiro Moroto and Hiroki Ishikuro",

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AU - Moroto, Takahiro

AU - Ishikuro, Hiroki

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Y1 - 2015/10/30

N2 - This paper describes a system of single-inductor-dual-output (SIDO) wireless power delivery for mobile applications. By updating control signal in the feedback loop by every switching clock cycle, fast tracking to the load change is realized while spurious emission is suppressed by using pseudorandom-sequence PWM (PRS-PWM). Transmitter and receiver chips were fabricated in 0.18μm CMOS process and mounted on the wireless power transfer test board. The system achieved response time shorter than 10μsec. Two output voltages are regulated at 8V and 16V, and maximum efficiency of 41% was achieved when the total output power is 500mW.

AB - This paper describes a system of single-inductor-dual-output (SIDO) wireless power delivery for mobile applications. By updating control signal in the feedback loop by every switching clock cycle, fast tracking to the load change is realized while spurious emission is suppressed by using pseudorandom-sequence PWM (PRS-PWM). Transmitter and receiver chips were fabricated in 0.18μm CMOS process and mounted on the wireless power transfer test board. The system achieved response time shorter than 10μsec. Two output voltages are regulated at 8V and 16V, and maximum efficiency of 41% was achieved when the total output power is 500mW.

KW - Pseudo-Random-Sequence PWM (PRS-PWM)

KW - single-inductor dual-output (SIDO)

KW - wireless power delivery

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A low EMI SIDO wireless power transfer system with 10μsec response time

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