Wednesday, July 17, 2024

Global Shutter Sensors For Automotive In-Cabin Applications

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The global shutter sensors are equipped with a compact 2.2-micron pixel size, setting a new standard for Quantum Efficiency, Modulation Transfer Function, and power efficiency.


OMNIVISION has introduced two new additions to its Nyxel near-infrared (NIR) technology lineup. The first is the OX02C1S, a 2.5-megapixel (MP) Red Green Blue (RGB) Infrared (RGB-IR) Backside Illumination (BSI) global shutter (GS) sensor designed for in-cabin driver and occupant monitoring systems. The second is the OX01H1B, a 1.5MP mono (IR) GS sensor crafted for driver monitoring systems (DMS). According to the company’s claim, the sensors possess a pixel size of only 2.2 microns (µm) and exhibit a NIR quantum efficiency (QE) of 36%, surpassing industry standards. According to the press release issued by the company the automotive-grade sensors are compact and have a nice low-light performance.


According to the company’s claim, both sensors utilize OmniPixel 4-GS technology, enabling precise motion capture without any distortion by simultaneously detecting images in all pixels. The sensors are equipped with integrated Automotive Safety Integrity Level B (ASIL-B) and cybersecurity features that comply with the latest industry standards. Compared to the previous 3.0 µm Frontside Illumination (FSI) GS pixel design, the sensors offer a notable improvement in modulation transfer function (MTF) while consuming significantly lower power, delivering unparalleled performance capabilities. 

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The press release highlights that the sensors are available in a reconstructed wafer option, providing designers with the flexibility to customize their packaging solution. The company says that the 2.5MP variant serves as a cost-effective and lower-resolution option whereas the 1.5MP GS sensor is a versatile solution for DMS for Original Equipment Manufacturers (OEMs) who require the flexibility to position the DMS camera in various locations within the vehicle, based on their interior design requirements. The 2.5MP resolution sensor features a 1/3.55-inch optical format, while the 1.5MP resolution sensor features a 1/4.51-inch optical format. 

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Nidhi Agarwal
Nidhi Agarwal
Nidhi Agarwal is a journalist at EFY. She is an Electronics and Communication Engineer with over five years of academic experience. Her expertise lies in working with development boards and IoT cloud. She enjoys writing as it enables her to share her knowledge and insights related to electronics, with like-minded techies.


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