Multizone distance sensor has ultrawide field of view

With a 90° diagonal field of view, the VL53L7CX distance sensor from ST brings lifelike situational awareness to applications like smart equipment and robots. The ultrawide field of view is one of the industry’s best and 33% larger than ST’s previous-generation sensor. Diffractive optical elements on both the transmitter and receiver enable a 60°×60° square field of view.

The VL53L7CX time-of-flight sensor provides a matrix of 8×8 zones (64 zones) and measures distance to multiple objects in each zone at up to 350 cm. Linearity is consistent when measuring distance to objects as close a 2 cm. Histogram algorithms ensure cover glass ‘smudge’ immunity beyond 60 cm.

In low-power mode, the VL53L7CX sensor consumes just 5.4 mW. It can also operate in autonomous mode, which allows the host system to power down and wake only when a threshold value is reached. Thresholds include distance to nearest object, signal rate, and detection of motion.

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In production now, the VL53L7CX sensor comes in a 6.4×3.0×1.6-mm optical LGA16 package, priced from $3.60 for prototyping.

VL53L7CX product page

STMicroelectronics

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