A Batteryless Power Management Unit for RF Energy Harvesting Sensors

被引：0
|
作者：
Zheng, Puyang [1 ]
Arvind, Dyumaan [1 ]
Stanacevic, Milutin [1 ]
机构：
[1] SUNY Stony Brook, Dept Elect & Comp Engn, Stony Brook, NY 11794 USA
来源：
2024 IEEE 67TH INTERNATIONAL MIDWEST SYMPOSIUM ON CIRCUITS AND SYSTEMS, MWSCAS 2024 | 2024年
基金：
美国国家科学基金会;
关键词：
Batteryless; power management unit; dual-channel; Dickson rectifier; power conversion efficiency;
D O I：
10.1109/MWSCAS60917.2024.10658963
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We propose a RF energy harvesting system implemented in the 180nm CMOS technology that operates at 915 MHz ISM band. A system is designed to optimize the overall power conversion efficiency (PCE) within the input power range from -30 dBm to 0 dBm. The elements of the tunable matching network are selected based on the derived rectifier model. The dual-channel rectifier, including two Dickson rectifiers, is designed to achieve 64% power conversion efficiency (PCE) across the input power range. A power management unit (PMU), optimized for the operation modes of RF sensors, enables system to achieves 92% efficiency at -13 dBm. The end-to-end RF energy harvester (RFEH) PCE reaches 25.09% at the same input power.
引用
收藏
页码：801 / 805
页数：5
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