TOF module and electronic device

Abstract

The invention belongs to the technical field of three-dimensional imaging, and particularly relates to a TOF module and an electronic device.The TOF module comprises a power management circuit, a light source emission circuit and an image sensing circuit; the power supply management circuit is connected with an external power supply and is converted into a first power supply, a second power supply, a third power supply and a fourth power supply which respectively provide matched working loads for the light source emitting unit and the image sensing unit; the light source transmitting circuit is used for coupling optical signals with specific frequency and transmitting to a target object; the image sensing circuit is used for receiving an optical signal reflected by a target object, wherein the two input ends of the image sensing circuit are connected in parallel to a first power supply to form a selection circuit; and the light source emission circuit and the image sensing circuit are connected and communicated through a low-voltage differential signal. The technical scheme provided by the invention has the characteristics of low power consumption, good anti-interference performance, high stability, miniaturization and capability of directly outputting high-quality depth information.

Description

technical field [0001] The invention belongs to the technical field of three-dimensional imaging, and in particular relates to a TOF module and an electronic device. Background technique [0002] In the field of high-end consumer electronics, TOF technology is increasingly favored by the market due to its obvious advantages in laser power consumption, anti-interference, long-distance accuracy, etc., but it is far from mature in terms of technology and industrial chain. The maturity of TOF technology is facing a series of challenges, including many limitations in terms of lower power consumption, better anti-interference and stability, smaller size, and direct output of high-quality depth information. Chip design, Comprehensive breakthroughs in system design and manufacturing processes can truly fulfill the advantages promised by TOF technology and achieve popularization in consumer scenarios. Contents of the invention [0003] The purpose of the present invention is to pr...

AI Technical Summary

Problems solved by technology

[0002] In the field of high-end consumer electronics, TOF technology is increasingly favored by the market due to its obvious advantages in laser power consumption, anti-interference, long-distance accuracy, etc., but the technology and industrial chain are far from mature

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