STMicroelectronics VL53L0X time-of-flight ranging sensor

Click2Contact

The second generation of STMicroelectronics’ FlightSense technology is now available in the VL53L0X laser-ranging sensor. The product’s sensing capabilities can support a range of functions, including gesture sensing or proximity detection.

The product extends the time-of-flight (ToF) measurement range to 2 m and is accurate to within ±3%. It is also fast, measuring the distance in under 30 ms, and energy efficient, consuming only 20 mW in active ranging mode and drawing 5 µA in standby. At 2.4 x 4.4 x 1 mm, it is said to be the smallest such device in the market.

The sensor gives distance measurement in millimetres and is unaffected by the colour or reflectivity of the sensed target. Its fast-acting FlightSense technology can distinguish movement towards or away from the sensor or from side to side. Distance is calculated internally and communicated over I²C, thereby minimising demands on the system host controller.

The integrated eye-safe laser emits non-visible light of 940 nm wavelength, which eliminates the distracting red glow typically associated with other infrared proximity sensors and improves immunity to interference from external light sources. The sensor’s digital architecture and automatic light compensation further enhance performance in scenes with high ambient-lighting levels.

For more information: http://www.st.com/vl53l0x-pr.