ALLEGRO’S NEW GMR GEAR TOOTH SPEED SENSOR

Industry-leading air gap enables increased reliability, efficiency, and design flexibility

Allegro MicroSystems, Inc. (“Allegro”), a global leader in sensing and power solutions for motion control and energy-efficient systems, has introduced a new, state-of-the-art giant magnetoresistance (GMR) speed sensor that measures the rotation of ferromagnetic gears. The ATS19480 speed sensor IC provides a single-channel solution that’s ideal for hybrid and pure electric vehicle transmissions, with use cases extending to two-wheelers, off-road vehicles, and industrial application designs requiring speed-only information.

Combining advanced GMR technology with leading automotive grade algorithms and packaging technology, Allegro now offers a cutting-edge, comprehensive transmission sensor portfolio that addresses the needs of today’s system developers and manufacturers, while taking advantage of the company’s 20 years of speed sensing expertise, application-specific experience, and technological advancement.

The device adds a speed-only protocol to the company’s recently released ATS19580 transmission speed and direction sensor IC, seting a new standard for speed sensing and allowing developers to achieve the highest levels of in-system capability and adaptability. With an industry-leading air gap that’s 50% larger than existing options, it improves design-in flexibility, expands design margin and tolerance capability, and facilitates a wider range of sensor installation locations. This helps reduce system complexity, size, weight, cost, and energy consumption – boosting efficiency and minimising carbon footprints.

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