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A Single-Stage Dual-Output Regulating Rectifier With Hysteretic Current-Wave Modulation.
- Source :
- IEEE Journal of Solid-State Circuits; Sep2021, Vol. 56 Issue 9, p2770-2780, 11p
- Publication Year :
- 2021
-
Abstract
- This article presents a 6.78-MHz single-stage dual-output regulating rectifier for miniaturizing the true wireless devices. The proposed rectifier topology realizes ac–dc power conversion and dual-output voltage regulation simultaneously in one single stage, using only four on-chip power transistors, thereby reducing chip area and off-chip components and improving the system power conversion efficiency. We integrate high voltage (HV) and low voltage (LV) transistors in the proposed dual-output rectifier for HV and LV output voltages, respectively. The proposed two independent three-level current-wave modulation (CWM) controllers realize voltage conversion and regulation for each output independently, with the instant transient response and no cross-regulation problem. The proposed dual-output regulating rectifier, fabricated in 0.18-μm CMOS using 1.8−/3.3-V devices, can deliver a total maximum power of 1.02 W at the dual-output voltages of 1.8 and 3.3 V. The circuit achieves a measured peak efficiency of 91.9% with an instant load-transient response for a load current step between 20 and 200 mA. The cross-regulation between the dual-output voltages is unnoticeable. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00189200
- Volume :
- 56
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- IEEE Journal of Solid-State Circuits
- Publication Type :
- Academic Journal
- Accession number :
- 153244540
- Full Text :
- https://doi.org/10.1109/JSSC.2021.3071221