Maximum power point trackers

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A Dual-Band Simultaneous RF Energy Harvesting System With Globally Optimized 3-D MPPT and Efficiency Enhancement

A Dual-Band Simultaneous RF Energy Harvesting System With Globally Optimized 3-D MPPT and Efficiency Enhancement 150 150
Author(s): Xiaguang Li, Qing Miao, Shiheng Yang, Tianting Zhao, Sijun Du, Xiaoyang Zeng, Zhiyuan Chen

Abstract:

This article presents a globally optimized radio frequency (RF) energy harvesting system that leverages the novel concepts of 3-D maximum power point tracking (3-D MPPT) and collaborative source reconfiguration to achieve high MPPT accuracy and a wide input power range. The proposed 3-D MPPT coordinates the energy sources, optimizes the …

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1 – 12
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2026.3662153
Publisher: IEEE

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A Fully-Integrated Wireless Ingestible CMOS Drug-Delivery Chip With Electrochemical Energy Harvesting and pH-Adaptive MPPT for Personalized Therapeutics

A Fully-Integrated Wireless Ingestible CMOS Drug-Delivery Chip With Electrochemical Energy Harvesting and pH-Adaptive MPPT for Personalized Therapeutics 150 150
Author(s): So-Yoon Yang, Deniz Umut Yildirim, Saransh Sharma, Donghyeon Han, Rishabh Mittal, Husna T. Ellis, Jaehong Jung, Eunseok Lee, Yubin Cai, Giovanni Traverso, Anantha P. Chandrakasan

Abstract:

The rapid growth of personalized medicine has driven increased demand for battery-free, energy-efficient ingestible electronics for on-demand gastrointestinal (GI) drug delivery. This article presents the first fully-integrated, battery-free ingestible CMOS platform that harvests energy from a galvanic cell (GC) through a reconfigurable switched-capacitor converter, with pH-adaptive maximum power point tracking (…

Published in: IEEE Journal of Solid-State Circuits
Page(s): 1082 – 1095
Year of Publication: 2026
Electronic ISSN: 1558-173X
DOI: 10.1109/JSSC.2025.3647275
Publisher: IEEE

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