Allegro MicroSystems ATS19480 GMR Transmission Speed Sensor IC

Feb 25 2023 2023-02 Power Allegro MicroSystems, LLC

The Allegro MicroSystems ATS19480 Giant Magnetoresistance (GMR) transmission speed Sensor IC provides a user-friendly, two-wire solution for applications using ferromagnetic gear tooth targets requiring speed information. Fully integrated components include the GMR IC, protective capacitors for EMC stability, and rear bias magnets in a single inline lead-free 3-pin SIP package with additional molded lead stabilizer rods for sturdy transport and easy assembly.

ATS19480 is designed for ferromagnetic gear tooth targets and is oriented compatible with Hall effect technology. The fully integrated solution detects large operating air gaps across a wide range of air gaps. State-of-the-art GMR technology is used on a single chip integrated circuit with industry-leading signal processing to provide accurate speed information for low level differential magnetic signals. Differential sensing provides inherent interference with common-mode magnetic field repulsion.

The Allegro MicroSystems ATS19480 GMR Transmission Speed Sensor IC provides integrated diagnostics to detect IC faults that affect the accuracy of the output protocol, providing ASIL B-compatible coverage (evaluation is ongoing). Built-in EEPROM scratch memory provides device traceability throughout the IC product lifecycle. ASIL reporting can be enabled or disabled based on the needs of your application.

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