A 6.78-MHz Single-Stage Regulating Rectifier with Hysteretic Control and Current-Wave Modulation

Lin，Jie1; Zhan，Chenchang2; Lu，Yan1

10.1109/A-SSCC48613.2020.9336129

2020-11-09

978-1-7281-8437-1

2020 IEEE Asian Solid-State Circuits Conference, A-SSCC 2020

1-2

9-11 Nov. 2020

Hiroshima, Japan

This paper presents a 6.78-MHz regulating rectifier for wireless powering. The receiver efficiency is enhanced and the die area is reduced by achieving both AC-DC rectification and DC-DC regulation in one single stage. Different from the recent relatively slow multi-cycle pulse-width modulation techniques, the real-time hysteretic control technique together with the proposed current-wave modulation (CWM) achieves much faster load-transient response for the rectifier. Fabricated in a 0.18-μm CMOS process, the proposed rectifier outputs a 3.3-V regulated voltage and a 2-W maximum power with a peak efficiency of 92.14%. An instant load-transient response is observed for a load step between 12mA and 600mA.

Current-wave modulation Hysteretic control Load-transient response Regulating rectifier Wireless power transfer (WPT)

其他

英语

CPCI-S ; EI

WOS:000654231500024

20210809956827

DC-DC converters ; Efficiency ; Electric rectifiers ; Hysteresis ; Modulation ; Transient analysis ; Voltage control

Electric Components:704.1 ; Specific Variables Control:731.3 ; Production Engineering:913.1 ; Systems Science:961

2-s2.0-85100913039

Scopus

1.State Key Laboratory of AMS-VLSI,Institute of Microelectronics,FST-DECE,University of Macau,Macao,Macao
2.School of Microelectronics,Southern University of Science and Technology,Shenzhen,China

Lin，Jie,Zhan，Chenchang,Lu，Yan. A 6.78-MHz Single-Stage Regulating Rectifier with Hysteretic Control and Current-Wave Modulation[C],2020:1-2.