Image sensor platform designed for ADAS and autonomous driving

8th January 2018
Posted By : Lanna Cooper
Image sensor platform designed for ADAS and autonomous driving

To address the spectrum of applications for Advanced Driver Assistance Systems (ADAS) and autonomous driving, ON Semiconductor has announced a scalable family of CMOS image sensors. The company's newest sensor family offers car makers and tier one suppliers a choice of robust imaging devices based on a common platform and feature set. The sensors have resolutions scaling from 8.3MP down to 1.2MP with low light performance from 4.2µm pixels.

Additional features include functional safety up to ASIL-C, High Dynamic Range (HDR), according to the company an industry-first cybersecurity option, and second-gen wafer stacking technology that reduces package size. Individual products in this platform are currently under evaluation by many technology partners, including Mobileye and NVIDIA for use with its DRIVE AI computing platform for autonomous vehicles.

The AR0820AT, AR0220AT and AR0138AT form a scalable image sensor family which provides a range of resolutions suited to new-gen ADAS and autonomous driving systems. Automakers need different resolutions to address segmentation in their product lines, where specific safety features are standard, but additional cameras or higher resolution cameras enable more advanced safety and luxury capabilities as customer options. 

As the industry moves from Level 2 systems for emergency autonomous braking, adaptive cruise control and lane change assistance towards fully autonomous driving, ON Semiconductor’s image sensors enable increasingly demanding ADAS and autonomous driving capabilities.

The large 4.2µm pixel delivers leadership performance in low light scenarios such as night time emergency braking for pedestrians and cyclists that is being added to safety tests defined by Euro NCAP. The family’s cybersecurity technology helps ensure reliable and secure operation when multiple cameras around the vehicle are connected to a centralised system where data and commands must travel by wires between the sensor and the processor.

For advanced imaging capabilities, software and algorithm testing is typically the longest task in the development programme. With ON Semiconductor’s family of scalable image sensors, customers can start early development with one sensor to adapt their algorithms to the pixel performance and system features, and then extend to additional resolutions with further testing. This shortens project time-to-market and reduces overall development costs across a family of camera system implementations.

“As the number of image sensors on a vehicle increases, having a scalable platform with common core features and pixel architecture becomes even more important for automakers to deliver new safety and self-driving features to market quickly and efficiently,” said Ross Jatou, Vice President and General Manager of the Automotive Solution Division at ON Semiconductor.

“Our deep engagement with customers and the advanced features of our new image sensor family enable them to bridge development efforts across ADAS and autonomous driving programmes.”

ON Semiconductor will be demonstrating its new family of scalable image sensors, plus a wide range of other leading edge semiconductor-based solutions for automotive and other sectors at The Sands Convention Center/Venetian (Murano 3302) during CES 2018, 9th-12th January in Las Vegas.

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