BUY A1220LUA-T https://www.utsource.net/itm/p/7278620.html

Description: The A1220LUA-T is a Hall-effect switch IC designed for use in low-voltage, low-current applications. It is a single-channel, unipolar, latching Hall-effect switch with a built-in temperature compensation circuit. Features: * Low-voltage operation: 2.7 V to 5.5 V * Low-current consumption: 1.5 mA (typical) * High sensitivity: 0.3 mT (typical) * High temperature stability: -40°C to +150°C * Low-power shutdown mode * Open-drain output Applications: * Motor control * Position sensing * Speed sensing * Proximity sensing * Current sensing * Magnetic field sensing (For reference only)