A Single-Inductor Multi-Channel Thermoelectric Energy Harvesting Interface Realizing Uneven Temperature MPPT with 39.6% Efficiency Enhancement and 62mV Tapped-Inductor-Oscillator-Based Start-Up

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A Single-Inductor Multi-Channel Thermoelectric Energy Harvesting Interface Realizing Uneven Temperature MPPT with 39.6% Efficiency Enhancement and 62mV Tapped-Inductor-Oscillator-Based Start-Up

Conference Paper (2026)

Author(s)

Yunzhe Yang (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Sijun Du (TU Delft - Electrical Engineering, Mathematics and Computer Science)

Research Group

Electronic Instrumentation

DOI related publication

https://doi.org/10.1109/ISSCC49663.2026.11408952 Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:e56421cd-2462-475f-9c10-0a8703707ad3

More Info

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Publication Year

2026

Language

English

Research Group

Electronic Instrumentation

Pages (from-to)

284-285

Publisher

IEEE

ISBN (electronic)

9798331589363

Event

2026 IEEE International Solid-State Circuits Conference, ISSCC 2026 (2026-02-15 - 2026-02-19), San Francisco, United States

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Abstract

This paper presents a thermoelectric energy harvesting (TEH) interface that realizes: 1) a multi-channel TEH for maximum power point tracking (MPPT) under uneven temperature conditions, improving efficiency by up to 39.6%; and 2) a tapped-inductor start-up functionality, which can begin operating at 62mV with no additional inductors or series switches. The overall design achieves a 90.51% peak end-to-end efficiency.

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