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

页码：801 / 805

页数：5

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