Description
The AH3761 is a high sensitivity CMOS Halls effect latch sensor for single‐phase brushless DC (BLDC) fans and motor commutation applications.
The AH3761 has an integrated band‐gap voltage regulator, Hall‐voltage transducer, amplifier, chopper stabilization, Schmitt trigger and open‐drain output.

The Diodes advantage
The AH3761 is a chopper stabilized, small and versatile Hall-effect latch
sensor for cooling fans and motor commutation applications
◾ Wide operating voltage 3V to 28V
   Supports wide range of system voltages 3.3V/5V/12V/24V
◾ Chopper stabilized
   Extremely low switch-point drift
   Superior temperature stability
   Insensitive to physical stress
◾ High drive capability with built in short-circuit limit
   Output can sink up to 50mA
   Easy interface to wide variety of electronic circuits
   Safe operation against output short-circuit
◾ Reverse supply protection
   Safe operation against reverse power/battery connection
◾ Wide operating temperature range -40°C to 125°C
   Suitable also for industrial and other thermally demanding applications

APPLICATIONs
◾ BLDC cooling fan and motor commutations
◾ RPM monitor
◾ Position sensors