New VCNL36687S VCSEL-Powered Proximity Sensor


  • VCSEL profile: ± 3°
  • VCSEL driving current: 20 mA
  • Operating voltage range: 1.65 V to 1.95 V
  • I2C bus voltage range: 1.65 V to 3.6 V

Vishay introduces a fully integrated proximity sensor that combines a high power vertical-cavity surface-emitting laser (VCSEL), a photodiode, a signal processing IC, and a 12-bit ADC in a single package.

20 cm detection range greatly simplifies the use and design-in of the proximity sensing capability in consumer and industrial applications


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  • No mechanical barriers are required to optically isolate the emitter from the detector
  • Small footprint and low height are ideal for space-constrained applications
  • Low VCSEL profile is optimized for applications that require narrow angle detection
  • Minimizes optical system design concerns
  • Requires less energy than previous-generation devices to carry out the same functionality
  • Previous VCNL series devices required 200 mA of current to detect a Kodak Gray Card at a distance of 20 cm
  • Programmable interrupt function offers wake-up functionality for the microcontroller when a proximity change occurs
  • Reduces processing overhead by eliminating the need for continuous polling
  • Proximity sensing in smartphones, tablets, virtual reality
  • Augmented reality (VR / AR) headsets
  • Other battery-operated devices
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