Allegro MicroSystems Inc. Continuous-Time Switch Unipolar Switch A1106LLHLT-T

The A1106LLHLT-T is a continuous-time Hall-effect switch designed for automotive and industrial motor commutation applications. It operates from a 3.8 to 24 V supply and features reverse battery protection with an absolute maximum supply voltage rating of ±30 V. The device is packaged in a 3-pin SOT23W surface-mount style with lead (Pb)-free, matte-tin-plated leadframes. It is AEC-Q100 automotive qualified and operates reliably over an ambient temperature range of -40°C to 150°C. The part includes an integrated voltage regulator, Hall-voltage generator, small-signal amplifier, Schmitt trigger, and NMOS output transistor, enabling stable operation without an external bypass capacitor. Power-on time is up to 4 µs, output rise and fall times are up to 400 ns, and output saturation voltage is up to 400 mV at 20 mA load current.