STMicroelectronics launches industrial grade single zone direct ToF sensors with a wider operating temperature range
2024-07-29
STMicroelectronics has launched the VL53L4ED single zone time-of-flight (ToF) sensor with an extended operating temperature range of -40 ° C to 105 ° C. VL53L4ED is suitable for applications in harsh environments such as industrial equipment, smart factory equipment, robot guidance systems, outdoor lighting control, security monitoring systems, etc. It can improve proximity detection accuracy and measurement distance under high ambient light conditions.
VL53L4ED is a new member of STMicroelectronics' VL53L4 series direct time-of-flight sensor, which integrates a laser emitter and a single photon avalanche diode (SPAD) detector array in a user-friendly integrated module, providing reliable measurement data even under extreme temperature conditions. The next generation of lasers can provide excellent ranging performance and proximity detection accuracy in high ambient light environments. In addition, the sensor also has a built-in processor that can achieve a power-saving autonomous operation mode, reducing the resource requirements on the main controller system.
STMicroelectronics' new ToF sensor can accurately measure objects up to 1150 millimeters across the entire field of view and temperature range. Special settings allow the sensor to accurately measure objects up to 800 millimeters away in strong ambient light conditions. The VL53L4ED sensor maintains good linearity up to 1 millimeter and supports ranging frequencies up to 100Hz.
Developers can utilize the X-CUBE-TOF1 extension software package of the STM32Cube ecosystem to accelerate the development of VL53L4 series sensing projects. The ready to use software also includes the STSW-IMG034 driver program, which can use interrupt commands to turn VL53L4ED or VL53L4CD into ultra-low power proximity detectors for user detection, system activation, and non-contact control. In addition, there are liquid level detection code examples in the STSW-IMG039 software package. The development hardware includes the expansion board X-NUCLEO-53L4A3 for the NUCLEO-F401RE microcontroller development board, which simplifies the running of code examples and application development, as well as the SATEL-VL53L4ED adapter board for prototype design.
The VL53L4 sensor series is pin compatible and comes in a 4.4mm x 2.4mm x 1mm high LGA package. The new product VL53L4ED has now been put into production.
For more information, please visit www.st.com/en/imaging and photonics solutions/vl53l4ed. html
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