Vishay introduces a new fully integrated ultra-compact proximity sensor with standby current as low as 5μA

     Vishay Intertechnology announced that its optoelectronics division has introduced a new fully integrated proximity sensor, the VCNL36828P, to improve efficiency and performance in consumer electronics applications. Vishay Semiconductors VCNL36828P uses vertical cavity surface emitting laser (VCSEL), Integrated photodiode, application-specific integrated circuit (ASIC), 16-bit ADC and intelligent dual I2C slave address in 2.0 mm x 1.0 mm x 0.5 mm small surface mount package.

     Compared to the previous generation solution, the proximity sensor announced today has a 20% smaller package area, a 20% lower standby current of just 5 μA, and a 40% higher sunlight offset of 140 klx. With a sensor detection range of 200 mm and a typical rated voltage of 1.8 V, the device offers excellent proximity detection performance while reducing power consumption and increasing efficiency for space-constrained, battery-powered applications.

     The new proximity sensor can be used to automatically wake up and turn off smartphone and smartwatch screens, in addition to detecting whether the user is wearing a true wireless stereo (TWS) headset, virtual reality/augmented reality (VR/AR) headset and smart glasses. To reduce the cost of these applications, the VCNL36828P intelligent dual I2C slave address connects two proximity sensors without the need for a multiplexer.

     The device programmable interrupt function allows designers to set upper and lower interrupt thresholds, thereby reducing continuous communication with the microcontroller. The VCNL36828P uses intelligent cancellation technology to eliminate crosstalk and intelligent persistence design to ensure accurate detection and faster response. The peak wavelength of the VCSEL is 940 nm, and no "red tail" can be seen. Sensors comply with RoHS and Vishay green standards and are halogen-free.