Abstract
In this work, we present a compact self-powered wireless gas sensor node based on photovoltaic (PV) energy harvesting (EH). Instead of a bulky and power-hungry gas sensor with separate gas signal processing (GSP) circuits, a mm3-sized colorimetric sensor film is integrated with a PV cell, and the GSP function is seamlessly embedded within EH circuits. Also, a dual-input shared-inductor boost converter is used to improve the EH efficiency under gas exposure. Offset cancellation is performed in GSP circuits to provide accurate gas-sensing readout without any external trimming.
| Original language | English |
|---|---|
| Title of host publication | 2021 Symposium on VLSI Circuits, VLSI Circuits 2021 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9784863487796 |
| DOIs | |
| State | Published - 13 Jun 2021 |
| Event | 35th Symposium on VLSI Circuits, VLSI Circuits 2021 - Virutal, Online Duration: 13 Jun 2021 → 19 Jun 2021 |
Publication series
| Name | IEEE Symposium on VLSI Circuits, Digest of Technical Papers |
|---|---|
| Volume | 2021-June |
Conference
| Conference | 35th Symposium on VLSI Circuits, VLSI Circuits 2021 |
|---|---|
| City | Virutal, Online |
| Period | 13/06/21 → 19/06/21 |
Bibliographical note
Publisher Copyright:© 2021 JSAP.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
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