A self-powered asynchronous image sensor with TFS operation

A self-powered asynchronous image sensor with TFS operation

This article presents a self-powered image sensor with a novel pixel architecture with energy harvesting capabilities. Pixels are autonomous entities that can harvest or sense illumination independently. Pixels have a fully asynchronous operation and do not require to be scanned to read out their as...

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Veröffentlicht in:IEEE sensors journal 2023-04, Vol.23 (7), p.1-1
Hauptverfasser: Gomez-Merchan, Ruben, Lenero-Bardallo, Juan Antonio, Rodriguez-Vazquez, Angel
Format: Artikel
Sprache:eng
Schlagworte:
asynchronous operation
Business competition
DC-DC power converters
diode efficiency
Energy harvesting
image sensor
Image sensors
Integrated photovoltaic cells
Lighting
Photodiodes
Pixels
self-powered
Sensors
Specifications
stacked diodes
Time-to-First-Spike
Vision sensors
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Beschreibung
Zusammenfassung:This article presents a self-powered image sensor with a novel pixel architecture with energy harvesting capabilities. Pixels are autonomous entities that can harvest or sense illumination independently. Pixels have a fully asynchronous operation and do not require to be scanned to read out their asynchronous output. The sensor was manufactured in UMC 180nm technology and tested. Their specifications are competitive against the art, offering fast operation, good balance between the energy consumed and harvested, and high-dynamic range operation. The article describes the sensor and pixel architectures in detail and provides experimental results. Sensor specifications are benchmarked against the art.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2023.3248177