VL53L3CX Time-of-Flight Multi-Target Distance Sensor Carrier with Voltage Regulator, 300cm Max

VL53L3CX Time-of-Flight Multi-Target Distance Sensor Carrier with Voltage Regulator, 300cm Max

CHF10.17

This sensor is a carrier/breakout board for ST’s VL53L3CX laser-ranging sensor, which offers fast and accurate ranging up to 3 m. It uses the time of flight (ToF) of invisible, eye-safe laser pulses to measure absolute distances to multiple targets simultaneously, independent of ambient lighting conditions and target characteristics like color, shape, and texture (though these things will affect the maximum range). Distance measurements can be read through a digital I²C interface. The board includes a 2.8 V linear regulator and level-shifters that allow it to work over an input voltage range of 2.6 V to 5.5 V, and the 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards.

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The VL53L3CX from ST Microelectronics is a long-distance ranging time-of-flight (TOF) sensor integrated into a compact module.

The VL53L3CX is effectively a tiny, self-contained lidar system featuring an integrated 940 nm Class 1 laser, which is invisible and eye-safe. Unlike conventional IR sensors that use the intensity of reflected light to estimate the distance to an object, the VL53L3CX uses ST’s FlightSense technology to precisely measure how long it takes for emitted pulses of infrared laser light to reach the objects and be reflected back to a detector. This approach ensures absolute distance measurements independent of ambient lighting conditions and target characteristics (e.g. color, shape, texture, and reflectivity), though these external conditions do affect the maximum range of the sensor.

Under favorable conditions, the sensor can report distances up to 3 m (10 ft) with 1 mm resolution. The minimum ranging distance is 10 mm. Ranging measurements are available through the sensor’s I²C (TWI) interface, which is also used to configure sensor settings, and the sensor provides two additional pins: a shutdown input and an interrupt output.

The VL53L3CX is a great IC, but its small, leadless, LGA package makes it difficult for the typical student or hobbyist to use. It also operates at a recommended voltage of 2.8 V, which can make interfacing difficult for microcontrollers operating at 3.3 V or 5 V. Our breakout board addresses these issues, making it easier to get started using the sensor, while keeping the overall size as small as possible.

The carrier board includes a low-dropout linear voltage regulator that provides the 2.8 V required by the VL53L3CX and allows the sensor to be powered from a 2.6 V to 5.5 V supply. The regulator output is available on the VDD pin and can supply almost 150 mA to external devices. The breakout board also includes a circuit that shifts the I²C clock and data lines to the same logic voltage level as the supplied VIN, making it simple to interface the board with 3.3 V or 5 V systems, and the board’s 0.1″ pin spacing makes it easy to use with standard solderless breadboards and 0.1″ perfboards. The board ships fully populated with its SMD components, including the VL53L3CX, as shown in the product picture.

Dimensions:

Size: 0.5″ × 0.7″ × 0.085″
Weight: 0.5 g

General specifications:

Resolution: 1 mm
Maximum range: 300 cm
Minimum range: 1 cm
Interface: I²C
Minimum operating voltage: 2.6 V
Maximum operating voltage: 5.5 V
Supply current: 15 mA
PO-3416

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