A reconfigurable CMOS rectifier with 14-db power dynamic range achieving >36-db/mm2fom for RF-based hybrid energy harvesting

Choo, Alexander and Ramiah, Harikrishnan and Churchill, Kishore Kumar Pakkirisami and Chen, Yong and Mekhilef, Saad and Mak, Pui-In and Martins, Rui P. (2022) A reconfigurable CMOS rectifier with 14-db power dynamic range achieving >36-db/mm2fom for RF-based hybrid energy harvesting. IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 30 (10). 1533 -1537. ISSN 1063-8210, DOI https://doi.org/10.1109/TVLSI.2022.3189697.

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This brief presents a novel circuit architecture for a Dickson-based reconfigurable rectifier with wide power dynamic range (PDR). Besides, a novel figure of merit (FoM) concerning the reconfigurable rectifiers is formulated to provide a more comprehensive assessment of the rectifier's performance. The proposed reconfigurable design improves the operating range of the rectifier by adaptively switching between the six-stage configuration during low-power operation and the 12-stage configuration during high-power operation. Fabricated in 130-nm CMOS, the proposed reconfigurable rectifier measures a PDR of 14 dB with a peak power conversion efficiency (PCE) of 34.93 for 1- textMOmega load operating at 900 MHz. Relative to the recently published reconfigurable rectifiers, our design records the highest FoM of 36.98 dB/mm2, with minimum harvesting downtime. © 1993-2012 IEEE.

Item Type: Article
Funders: [Grant No: IF071-2020], [Grant No: RK002-2021]
Uncontrolled Keywords: CMOS integrated circuits; Electric rectifiers; Integrated circuit design; Reconfigurable architectures; Reconfigurable hardware; Rectifying circuits; Circuit architectures; CMOS; Dynamic range; Figure of merit; Hybrid energy; Power dynamic range; Power dynamics; Radio frequency-based hybrid energy harvesting; Radiofrequencies; Reconfigurable; Energy harvesting
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Oct 2023 07:06
Last Modified: 24 Oct 2023 07:08
URI: http://eprints.um.edu.my/id/eprint/43728

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