Allegro Announces ASIL B‑Certified Advanced Transmission Speed Sensor ICs – A19520, A19530, A19570
Allegro MicroSystems Europe has launched the most advanced generation of transmission speed sensors, each bearing ASIL B certification. Drawing on nearly two decades of industry‑specific research and development, the A19520, A19530, and A19570 magnetic sensor ICs combine proven Hall‑effect and GMR technologies with the company’s proprietary SolidSpeed Digital Architecture.
Key features include:
- A19520 – Hall‑effect sensor, two‑wire interface, selectable output protocols, and industry‑leading performance that enables seamless integration into existing transmission designs.
- A19530 – Hall‑effect sensor, three‑wire interface, advanced signal‑processing, open/short detection, and flexible speed or speed‑and‑direction output.
- A19570 – GMR sensor, two‑wire interface, identical algorithmic performance to the Hall‑effect counterparts but with larger air gaps and adaptable device orientations.
All three ICs measure speed and direction, incorporate built‑in EMC protection capacitors, and exploit SolidSpeed’s mixed‑signal architecture to deliver an unparalleled dynamic range, vibration discrimination, stray‑field immunity, and adaptive performance across varying operating conditions.
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