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Micropower Hall-effect Switch Conserves Board Space

Mon, 08/25/2008 - 7:57am

Allegro MicroSystems, Inc. introduces its Model A1172 ultra-sensitive, Hall-effect switch with latched digital outputs and omni-polar magnetic actuation. It features operation at low supply currents and voltages, making it suitable for battery-operated electronics. The low operating supply voltage, 1.65 to 3.5 V, and special clocking algorithm assist in reducing the average operating power consumption. Both north and south polarity magnetic fields activate output switching to either OFF or ON. The switch is available in a four-pin wafer level chip-scale package that provides two push-pull outputs that are configured so that one output switches OFF in the absence of a sufficient magnetic field while the other output switches ON in the absence of a magnetic field.
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