Allegro MicroSystems, LLC announces the introduction of the new package ATS688LSN for the gear speed sensor portfolio, which is available in a single over-mold package that includes an optimized Hall-effect integrated circuit and rare-earth magnetism. Pellet) and high temperature ceramic capacitors. This fully integrated solution reduces the need for external EMC protection and integrated magnetic circuitry, thereby reducing manufacturing complexity. The ATS688LSN provides a user-friendly solution for true zero speed digital gear tooth sensing in two-wire applications such as automotive or two-wheel brake systems.
This integrated integrated circuit and magnet combination includes a dual Hall element sensor IC and corresponding signal processing circuitry that can be switched based on differential magnetic signals generated by rotating ferromagnetic targets. The ATS688LSN device includes a complex compensation circuit that eliminates effects such as magnetic fields and system offsets. The digital processing of the analog signal ensures true zero-speed operation. The advanced calibration algorithm adjusts the gain and offset of the device during power-up, so that the switching point is not affected by the air gap, which greatly improves the output accuracy and reduces the accuracy. The effects of system anomalies such as target vibration and air gap mutation. The regulated current output of the ATS688LSN is configured for two-wire operation.
The ATS688LSN is available in a lead-free 3-pin back-biased SIP package (suffix 'SN') with a matte tin plated leadframe.
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