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ST has introduced a new generation of high-performance proximity and ranging sensors, based on FlightSense? Time-of-Flight (ToF) technology.

Unlike other proximity sensors that use simple IR (Infra-Red) technology, which only measure signal strength and can be affected by the object’s reflectivity, FlightSense? sensors directly measure distance to the object based on the time for emitted photons to be reflected, enabling accurate distance ranging regardless of the object’s surface characteristics.

FlightSense? products are packaged in “all-in-one” miniature module which contain the laser driver and emitter as well as the Single Photon Avalanche Diode (SPAD) light receiver that gives ST’s sensors their unrivaled ranging speed and reliability.

This advanced ToF solution combines the benefits of ST’s unique SPAD technology with our mature in-house imaging process and high-volume packaging facilities. It is ideally suited to a wide range of applications that require:

• Accurate and high-speed distance measurement

• Low power consumption

• Competitive system cost

• Easy integration with flexible mechanical design

FlightSenseTM technology and ranging sensors can be used in a host of application area:

• Proximity sensing

• Camera autofocus and Video assist

• Vacuum cleaners, service robots and toys for wall following, cliff detection, collision avoidance

• Hover / landing assistance for drones

• Home appliances: Ambient light sensing, gesture recognition for light management, automatic doors control

• Special power-saving presence detection mode enables innovative auto-sleep/wake-on-approach use cases for PCs, notebooks and IoT devices

• Further applications include washroom automation in toilets, faucets or soap dispensers, and package counting to aid inventory management in vending machines or smart-shelf systems.

FlightSense? proximity and ranging sensors are supplied with a complete documentation package, example source codes and a software API (application programming interface) which is compatible with a range of microcontrollers and processors. The application software development and the physical integration into customers’ devices is easy thanks to the X-NUCLEO expansion board, breakout boards and associated development ecosystem.

Learn more about our FlightSense? 3-in-1 proximity sensor with this video of our "Precision Ranging at the Speed of Light" webinar on Google+ Hangouts.

VL53L1X 主要特性

VL53L1X是进的飞行时间（ToF）激光测距传感器，丰富了ST 的FlightSense?产品系列。它是市面上较快的微型ToF传感器，快速测距频***达50 Hz，可在4m范围内***测距

它采用微型回流焊封装，集成了SPAD接收阵列、940nm不可见1类激光发射器、物理红外滤光片和光学器件，在各种环境照明条件（带各种盖片选项）下实现的测距性能。
与传统的IR传感器不同，VL53L1X使用ST最***ToF技术，可测量在任何目标颜色和反射率时的距离。
它还能通过对接收阵列上兴趣区（ROI）的大小进行编程来降低传感器FoV。

主要特性

• 完全集成的小型化模块

• 尺寸：4.9x2.5x1.56 mm

• 发射器：940 nm不可见激光器（1类）

• SPAD（单光子雪崩二极管）接收阵列配集成透镜

• 运行***数字固件的低功耗微控制器

• 引脚排列兼容VL53L0X FlightSense?测距传感器

• 快速、***的远程测距

• 测量距离可达400 cm

• 高达50 Hz的测距频率

• 典型全视野（FoV）： 27 °

• 接收阵列上兴趣区（ROI）的大小可编程，可以降低传感器FoV

• 接收阵列上兴趣区（ROI）的位置可编程，可从主机进行多区域操作控制

• 方便集成

• 单回流焊元件

• 可以隐藏在各种盖片材料下

• 软件驱动和代码示例用于交钥匙测距应用

• 单电源（2v8）

• I?C接口（可达400 kHz）

• 停机和中断引脚

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