※ Its proprietary chip design enables the VI4331 to greatly enhance ranging precision and detection distance, delivering compact yet comprehensive measurement and sensing capabilities.

※ Equipped with a high-speed MIPI interface and powerful full histogram output performance, it meets customers' diverse scenario requirements.

※ The VI4331 features a compact size, ultra-wide field of view and high cost performance, providing customers with a high-performance, low-power consumption solution.

With the gradual development of disruptive technologies such as machine vision and autonomous driving, an increasing number of applications adopt 3D cameras for object recognition, behavior detection and scene modeling. Advanced 3D camera technology allows robots to "see" the surrounding world—indeed, 3D cameras are the eyes of smart terminals and robots.

visionICs, a world-leading dToF chip design company, announced the launch of its all-new 3D ToF depth sensor VI4331 based on single-photon detection technology. Boasting a high resolution of 240×96, a horizontal ultra-wide field of view of 120° and a high frame rate of 30fps, the sensor is ideally suited for applications such as indoor SLAM and obstacle avoidance for robot vacuums, behavior detection, and security monitoring.

Ben, Chief Architect of visionICs' R&D Department, stated:

"With the popularization of dToF in the consumer electronics sector, we believe that the dToF technology route led by SPAD will become the mainstream for 3D depth sensing and machine vision. The VI4331 integrates the fruits of years of improvement and innovation by visionICs in the dToF field. Designed to extend the detection range while enhancing ranging precision and supporting histogram functionality, it delivers accurate depth information for 3D mapping and localization (SLAM) in multi-depth scenario environments."

High Performance, Low Power Consumption: The Next-Gen VI4331 Achieves All-Round Upgrades

Leveraging a proprietary chip structure design combined with matching algorithms, the VI4331 delivers a significant performance boost over its predecessor, the VI4330—especially breakthrough progress in detection distance and ranging precision, perfectly addressing pain points such as robot navigation and obstacle avoidance.

• The VI4331 integrates an on-chip power management module, high-performance TDC and high-speed DSP processing module, enabling the generation of 23K depth point cloud data.
• Adopting visionICs' exclusive Gen2 DSP depth signal processing module, it outputs depth point cloud information with sub-millimeter precision.
• Boasting exceptional sunlight resistance, it achieves a maximum detection distance of 12m in normal application scenarios.

More Performance Upgrades

• The VI4331 is equipped with a high-speed MIPI interface, supporting 30fps depth image output. Its full histogram output functionality meets customers' diverse scenario application needs.
• Its photosensitive array supports one-dimensional unidirectional scanning. The chip is integrated with 4 sets of laser driving signals, each corresponding to the laser driving signal for 1/4 of the image array. The laser driving signals can be synchronized with the internal sensor scanning time, and when paired with addressable lasers, it perfectly enables a solid-state scanning solution.

Application Scenarios

Currently, visionICs has partnered with solution providers to develop a consumer-grade, all-solid-state area array 3D dToF LiDAR product based on the VI4331. This product integrates navigation and obstacle avoidance functions in one: it can real-time output 3D point clouds for navigation and localization (navigation and localization frame) with a maximum of 16 lines and a 10m detection distance; at the same time, it can output high-quality 3D point clouds for short-range obstacle avoidance (obstacle avoidance and recognition frame) with high resolution and a wide field of view, boasting an ultra-large FOV of H120° × V50°.