Vishay's OPTO blog site for the latest in all things OPTOELECTRONICS ~ articles, videos, and products
Introducing a new high sensitivity proximity and ambient light sensor that combines long distance proximity detection up to 1.5 m with Filtron™ technology in a compact 8 mm by 3 mm by 1.8 mm surface-mount package. The Vishay Semiconductors VCNL4200 three in one sensor features a high power IR emitter, photo detectors for proximity and ambient light, a signal processing IC, and a 12-bit / 16-bit ADC, while providing an interrupt function and supporting I²C bus communication interface for smart home, industrial, and office applications.
Offering a 50 % increase in proximity detection over previous-generation devices, the VCNL4200 provides presence detection for display activation in printers, copiers, and home appliances; collision avoidance in toys and robots; proximity sensing and lighting control in offices, corridors, and public buildings; lavatory appliance activation; and parking space availability in lots and garages. Containing the circuitry needed for these applications in one device, the sensor eliminates the need for additional light barriers and optical alignment of the IR emitter and photo diode. The device’s small outline saves space and gives design engineers greater flexibility in where and how they locate the sensor. read more….