The US79KUA is a Hall-effect latch sensor manufactured by Melexis Microelectronic Systems. It is designed for non-contact switching applications requiring high sensitivity and robustness. This sensor integrates a Hall plate, amplifier, Schmitt trigger, and output driver to provide a digital output signal that is activated by the presence of a magnetic field.

Applications

• Brushless DC (BLDC) motor commutation
• Position and speed sensing
• Revolution counting
• Contactless switch
• Automotive applications such as window lifters, seat position, and wiper systems
• Industrial automation equipment

Features

• High magnetic sensitivity
• Digital output
• Integrated reverse voltage protection
• Wide operating voltage range
• Small package size
• High reliability and robustness
• Low current consumption

Benefits

• Precise and reliable switching performance
• Non-contact operation eliminates wear and tear
• Easy integration into various systems
• Reduced system cost due to integrated components
• Improved system efficiency and performance
• Extended product lifespan

Additional Details

The US79KUA operates over a wide temperature range, making it suitable for use in harsh environments. The digital output is compatible with standard logic circuits. The sensor is available in a small surface-mount package, facilitating easy integration into compact designs. Its robust design ensures reliable operation even in the presence of mechanical vibration and electrical noise. This Hall-effect latch is a cost-effective solution for a wide range of sensing applications requiring a reliable and accurate magnetic field detection.