VL53L8CX

Low-power high-performance 8x8 multizone Time-of-Flight sensor (ToF)

The VL53L8CX is an 8x8 multizone, ToF ranging sensor, which enhances performance under ambient light with a reduced power consumption. Based on STMicroelectronics' FlightSense technology, the sensor is designed to provide accurate ranging up to 400 cm with a 65° diagonal FoV. The VL53L8CX integrates a powerful new generation VCSEL, and two advanced metasurface lenses. The hardware is housed in an innovative "all in one" module. This enables a wider variety of high-performance usecases, such as low-power system activation, gesture recognition, SLAM for robotics, liquid level monitoring, and many more. Thanks to STMicroelectronics' patented algorithms, the VL53L8CX can detect and track multiple targets within the FoV, with a 64-zone depth measurement. The STMicroelectronics' histograms ensure a cover glass crosstalk immunity above 60 cm. Like all ToF sensors based on STMicroelectronics' FlightSense technology, the VL53L8CX measures an absolute distance regardless of the target color and reflectance. The VL53L8CX supports SPI and I²C interfaces for high frequency frame rates and short-boot times. The VCSEL of the VL53L8CX emits fully invisible 940 nm IR light. Such VCSEL has a Class 1 certification that is safe for the eyes. Scene browsing and multizone detection are possible with the VL53L8CX. This is due to a software customizable detection array. It detects human presence quickly and at low-power. Such detection is known as a minidepth map.

Features

• Ranging up to 400 cm, with enhanced performance under ambient light
• Multizone distance measurement capability with either 4x4 or 8x8 separate zones
• Autonomous low-power mode with interrupt programmable threshold to wake up the host
• Histogram processing and algorithmic compensation to minimize or remove the impact of cover glass crosstalk
• Motion indicator for each zone to show if targets have moved and how they have moved
• Fully integrated miniature module with wide field of view (FoV)
• Easy integration

Applications

• Robotic applications
• Gesture recognition

Benefits

• Lower Power consumption
• High performance
• Easy to use

Block diagram

Description of Above Graphic

VL53L8CX block diagram