STMicroelectronics VL53L4Cx Time-of-Flight Sensors

STMicroelectronics VL53L4Cx Time-of-Flight Sensors are fully integrated miniature modules that record an absolute distance measurement regardless of the target color and reflectance. These sensors integrate a Vertical Cavity Surface Emitting Laser (VCSEL) that emits a fully invisible 940nm Infrared light. The VL53L4Cx time-of-flight sensors feature a low-power microcontroller, I²C interface (up to 1MHz), and a single power supply 2v8. These sensors are housed in a miniature reflowable package, which integrates a Single Photon Avalanche Diode (SPAD) array. The VL53L4Cx time-of-flight sensors are used in the applications such as smart lighting, system activation, and presence detection.

Features

Common
- FoV of 18°
- Low-power microcontroller running advanced digital Firmware
- 4.4mm x 2.4mm x 1mm size
- 940nm invisible laser emitter (VCSEL) and analog driver
- Reflowable component
- Single power supply 2v8
- Can be hidden behind the cover glass
- I²C interface (up to 1MHz)
- 2.6V to 3.5V operating voltage range
- -30°C to +85°C operating temperature range
- Optical LGA12 package
VL53L4CD
- High accuracy proximity ranging:
  - High-performance proximity sensor
  - From 0mm to 1300mm with a full FoV
  - Short distance linearity down to 1mm
  - Fast-ranging frequency up to 100Hz
  - Autonomous low power mode with programmable interrupt threshold to wake up the host
- Fully integrated miniature module:
  - Pin-to-pin compatible with VL53L0X, VL53L1X, VL53L1CB, VL53L3CX, and VL53L4CX
- Easy integration:
  - Full set of C software drivers (Linux compatible) for turnkey ranging
  - Embedded processing for very low memory footprint in the host

VL53L4CX
- Fast and accurate distance ranging:
  - Histogram based technology
  - From 0mm up to 6m distance measurement
  - Short distance linearity down to 10mm
  - Major improvement in long-distance ranging performance across all targets and light levels
  - Multiobject detection capability
  - Targets beyond 80cm range are immune to crosstalk from cover glass and smudge
- Fully integrated miniature module:
  - Pin-to-pin compatible with VL53L0X, VL53L1X, VL53L1CB, VL53L3CX, and VL53L4CD
- Easy integration:
  - Full set of software drivers (Linux compatible) for turnkey ranging
  - Live crosstalk correction
  - Part-to-part or generic shape crosstalk calibration is available
  - Drivers are compatible with VL53L3CX ones

Applications

VL53L4CD
- Proximity ranging applications:
  - Wall tracking and cliff detection for robotics
  - System activation and presence detection
  - Touchless switch
- Very low power consumption for battery-powered devices:
  - Access control
  - Sanitary (faucets and dispensers)
  - Home appliances (thermostats and lighting control)
- Fast ranging:
  - Bar code readers
  - Biometric distance applications
  - Virtual fences

VL53L4CX
- Obstacle avoidance, cliff detection for robotics, service robots, and vacuum cleaners
- User presence detection for sanitary and smart lighting
- System activation for smart building and access control devices
- Content management for smart bins and logistics
- User and object detection for IoT devices
- Light curtain for industrial applications
- Landing assist and collision avoidance for indoor drones