Diodes Incorporated has expanded its AH371xQ automotive Hall effect latch series with the introduction of the AH3711Q, a high-sensitivity component designed for brushless DC motor control and position-sensing applications.
The company said the AH3711Q is intended for automotive applications including power window systems, sunroofs, tailgates and seat adjustment motors.
According to Diodes Incorporated, the component operates with magnetic thresholds of plus or minus 10 Gauss, enabling the use of smaller magnets to help reduce overall system size and bill-of-materials costs.
The company added that the increased magnetic sensitivity can also support duty-cycle reduction to lower power consumption.
The AH3711Q operates within a voltage range of 3 volts to 27 volts and incorporates a reverse blocking diode with a Zener clamp on the power supply alongside overcurrent protection on the output stage.
Diodes Incorporated said the component provides protection against 40-volt load dumps, reverse polarity conditions and short circuits.
The sensor also carries electrostatic discharge ratings of 8 kilovolts under the human body model and 1 kilovolt under the charged device model standard.
According to the company, the Hall effect latch uses a chopper-stabilized design intended to minimize switch-point drift across operating temperatures ranging from minus 40 degrees Celsius to plus 150 degrees Celsius.
The AH3711Q features a typical power-on response time of 13 microseconds and includes open-drain outputs that support flexible external pull-up configurations.
The component is available in SOT23, SC59 and SIP-3 packaging formats.
Diodes Incorporated said a non-automotive version, the AH3711, is also available for industrial and commercial applications.
The AH3711Q is priced at approximately $0.20 per unit in quantities of 2,000 pieces, according to the company.
The launch comes as automakers continue increasing the use of electronic motor control systems and position-sensing technologies in vehicle comfort, convenience and electrification applications.