Allegro Announces First-to-Market High-Resolution GMR Wheel Speed and Distance Sensor for ADAS Applications

Rhea-AI Summary

Allegro MicroSystems has launched the A19360 sensor, pivotal for automakers in developing levels 3, 4, and 5 automation in vehicles. This sensor offers enhanced signal resolution crucial for advanced driver assistance systems (ADAS). According to Strategy&, vehicles with higher levels of automation are projected to represent 20% of the European market by 2030. Allegro's sensor is noted for its reliability, compatibility, and technological advancements, including superior wheel rotation data.

Positive

• Launch of the A19360 sensor enhances Allegro's offerings in the growing ADAS market.
• The sensor provides critical signal resolution, facilitating advanced automation in vehicles.
• Projected market growth indicates a strong demand for automation technologies, potentially benefiting Allegro.

Negative

• Delays in automaker advancements due to COVID-19 and regulatory challenges may impact market penetration.

New A19360 will help automakers achieve levels 3, 4 and 5 automation in passenger vehicles

Manchester, NH, Jan. 18, 2022 (GLOBE NEWSWIRE) -- Allegro MicroSystems, Inc. (“Allegro”) (Nasdaq: ALGM), a global leader in sensing and power solutions for motion control and energy-efficient systems, today announced its new A19360 wheel speed and distance sensor for use in emerging applications in advanced driver assistance systems (ADAS). The cutting-edge giant magnetoresistance (GMR) sensor provides automakers with the signal resolution and reliability required for advanced levels of automation in passenger vehicles and mobility-as-a-service applications.

According to a recent report by consulting firm Strategy&, the first passenger vehicles with level 3 (conditional automation) capabilities should be generally available by the end of 2022, and level 4 (high automation) capabilities available in people-mover applications by 2025. By 2030, vehicles incorporating levels 3, 4 and 5 (full automation) capabilities are expected to make up 20% of the total market in Europe, 12% in the US, and 11% in China. While progress has been delayed by COVID-19 and regulatory hurdles, automakers are actively developing software and hardware systems and need components—such as the A19360—that can enable those systems.

"Our new A19360 sensor is a game changer for automakers working on autonomous vehicles,” says Peter Wells, Business Line Director for Speed and Sensor Interfaces at Allegro. “It’s designed for SAE J3016 levels of automation 3, 4 and 5, and helps to safely enable features such as park assist, fully autonomous valet parking and traffic jam assistance with 4x better positional measurement where the tires hit the road. It can even improve autopilot functionality and low-speed control in dense environments.”

Automated and autonomous vehicles require superior wheel rotation information for accurate low-speed control. The A19360 provides high-resolution information to automotive systems by generating extra output events per magnetic cycle with a special protocol that’s compatible with electronic control units (ECUs). It includes an 8-event-per-magnetic-cycle mode targeted at ADAS applications, providing an increment for every ~5mm of tire roll. It also includes a 4-event-per-magnetic-cycle mode that doubles the number of outputs per magnetic cycle (compared to a normal wheel speed sensor). This allows designers to halve the number of poles on in-wheel ring magnets to save costs, or increase the air gap and still obtain the same number of increments per revolution.

The A19360 was developed for ISO 26262 ASIL B(D), and is built on Allegro’s monolithic GMR technology with ultra-low jitter and large air gap capabilities. The company’s SolidSpeed Digital Architecture™ provides the widest dynamic range of operating air gap and highly adaptive performance that eliminates flatlining due to thermal drift and system dynamics.

Pricing and Availability

The A19360 is available in a 2-pin SIP package (suffix UB) that is lead (Pb) free, with tin lead frame plating. The UB package includes an IC and protection capacitor integrated into a single overmolded package, with an additional molded lead-stabilizing bar for robust shipping and ease of assembly. For product pricing and samples, contact an Allegro sales office or authorized distributor. For datasheets and more information on Allegro’s comprehensive magnetic position sensor family, including the A19360, please visit the Allegro website.

About Allegro MicroSystems

Allegro MicroSystems (Nasdaq: ALGM) is redefining the future of sensing and power technologies. From green energy to advanced mobility and motion control systems, our team is passionate about developing intelligent solutions that move the world forward and give our customers a competitive edge. With global engineering, manufacturing and support, Allegro is a trusted partner to both large enterprises and regional market leaders worldwide. Visit www.allegromicro.com.

Attachment

• Allegro's A1936 high-resolution GMR wheel speed and distance sensor

FAQ

What is the significance of Allegro's A19360 sensor?

The A19360 sensor is crucial for automakers aiming for levels 3, 4, and 5 automation, enhancing advanced driver assistance systems.

What market percentage is expected for automated vehicles by 2030?

By 2030, vehicles with automation levels 3, 4, and 5 are forecasted to make up 20% of the European market.

How does the A19360 sensor improve vehicle automation?

The A19360 sensor provides superior wheel rotation data essential for accurate low-speed control in automated vehicles.

What challenges are faced by automakers in vehicle automation?

Challenges include delays from COVID-19 disruptions and ongoing regulatory hurdles impacting the development of automation technologies.

What technology underpins the A19360 sensor?

The A19360 sensor is built on Allegro’s monolithic giant magnetoresistance (GMR) technology for enhanced performance and reliability.