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Diodes Incorporated AH32x Two-Wire Hall Effect Unipolar/Latch Switches are high voltage, high sensitivity two-wire Hall effect ICs designed for a wide range of applications. These switches feature built-in thermal protection that shuts down the chip if the temperature rises to an abnormal value. The chip automatically restarts once the junction temperature drops below the safe value. The AH32x switches feature a chopper-stabilized architecture and an internal bandgap regulator to provide temperature compensated supply for internal circuits. These ICs feature a built-in reverse blocking diode with a zener clamp on the supply for robustness and protection. The AH32x switches operate at 2.7V to 27V supply voltage range and -40°C to 150°C temperature range. Typical applications include position and proximity sensing in automotive applications, seat position, seatbelt buckle, wiper position, window lifter, and gear selection position.
The AH32X Unipolar/ Latch Switches Self-Diagnostics are high voltage, high sensitivity two-wire Hall Effect
Unipolar/Latch switch ICs with integrated self-diagnostics and automotive-complaint. The AH3241Q, AH3242Q, and AH3243Q 2-wire unipolar switches turn on the supply current(low or high) when the flux density exceeds BOP. The output is held until a magnetic flux density falls below BRP, causing the output current to be turned off. The AH3280Q, AH3281Q, and AH3282Q 2-wire latch switches turn on the output current when the magnetic flux density is larger than BOP. The output state is held until a magnetic flux density reversal falls below BRP, causing the output current to be turned off.
