What is the MT3801 Sensor?

The MT3801 sensor is a direct time-of-flight (dToF) sensor with high performance and broad application prospects, newly launched by Maxic.

The following is a detailed introduction to the MT3801 sensor:

Overview

The MT3801 sensor is a major breakthrough in the field of sensor technology by Maxic, China. It uses advanced dToF technology to calculate the distance by directly measuring the time difference from the emission to the reception of a single photon, thus achieving a qualitative leap in measurement accuracy and anti-interference ability.

This sensor not only has the advantages of high precision, low power consumption, and small size, but also integrates a variety of functional modules, which can be widely used in consumer electronics, automotive, industrial automation and other fields.

Working Principle

The MT3801 sensor uses direct time-of-flight (dToF) technology to calculate distance by emitting single photons and measuring the time difference from emission to reception. It integrates SPAD, algorithm processing module, etc., eliminating complex phase calculation and achieving high-precision, low-power ranging function.

Technical features of MT3801 sensor

1. dToF technology:

• dToF (direct time-of-flight) technology is a method of calculating distance by measuring the time difference from the emission to the reception of a light pulse. Compared with iToF (indirect time of flight) technology, dToF technology eliminates the complex phase solution process, so it has higher measurement accuracy and anti-interference ability.
• The MT3801 sensor adopts dToF technology, which can achieve high-precision distance measurement with an error range of less than 4% within 0.02m to 5.00m.

2. Fully integrated module design:

• The MT3801 sensor adopts a fully integrated system-level package (SiP) module design with integrated transceiver, integrating multiple modules such as single photon avalanche photodiode (SPAD), receiving processing chip, algorithm processing module, Cortex M0 core, 940nm VCSEL light source and optical filter.
• This design not only simplifies the product structure, but also improves the product’s EMI characteristics and anti-sunlight performance, and can meet the refined debugging needs of various applications.

3. High-precision distance measurement:

• The MT3801 sensor performs precise distance measurement based on single-photon flight time, with a distance measurement range of 0.02m to 5.00m and an error range of less than 4%.
• This high-precision distance measurement capability makes the MT3801 sensor have broad application prospects in smart home, augmented reality (AR), virtual reality (VR) and other fields.

4. Low power consumption characteristics:

• The MT3801 sensor has low power consumption characteristics, and the current consumption in standby mode is very small. It supports three voltage interfaces of 3.3V, 1.8V and 1.2V, and can be compatible with the needs of multiple platforms.
• This low power consumption characteristic makes the MT3801 sensor have significant advantages in low-power devices such as smartphones and sweeping robots.

5. Built-in temperature sensor:

• The MT3801 sensor has a built-in temperature sensor, which can perform temperature compensation in real time to ensure detection accuracy when the temperature changes.
• This temperature compensation function enables the MT3801 sensor to maintain high-precision measurement under various environmental conditions.

6. Small size design:

• The MT3801 sensor adopts a compact design with a package size of 4.4mm x 2.4mm x 1.0mm (OLGA12 package), which is one of the smallest sensors on the market, making it easy to integrate into various small devices.

MT3801 sensor application field

MT3801 sensor

The high performance, small size and low power consumption of the MT3801 sensor make it have a wide range of application prospects, including but not limited to the following fields:

1. Consumer electronics:

• The MT3801 sensor can be used in devices such as smartphones and tablets to achieve functions such as accurate distance measurement and gesture recognition.
• In smart home systems, the MT3801 sensor can be used in scenarios such as accurate distance measurement and human body detection to improve the intelligence level of smart homes.

2. In-vehicle field:

• In self-driving cars, the MT3801 sensor can be used in assisted driving systems to achieve accurate distance measurement and obstacle detection.
• In addition, the MT3801 sensor can also be used in vehicle-mounted cameras, laser radars and other equipment to improve the safety and intelligence level of vehicle-mounted systems.

3. Industrial Automation:

• In the field of industrial automation, the MT3801 sensor can be used in scenarios such as robot navigation and object recognition to improve the efficiency and accuracy of industrial automation.
• In addition, the MT3801 sensor can also be used in smart warehousing, smart logistics and other fields to achieve accurate positioning and tracking of goods.

4. UAV:

• In the field of drones, the MT3801 sensor can be used to assist in accurate height measurement and obstacle avoidance functions, improving the flight safety and stability of drones.

5. Other fields:

• In addition to the above fields, the MT3801 sensor can also be used in smart home devices such as smart toilets, hair dryers, and faucets to achieve more intelligent control and interactive experience.

MT3801 sensor market impact

The launch of the MT3801 sensor has had a positive impact on the sensor market:

1. Promote the upgrade of sensor technology:

• The launch of the MT3801 sensor marks an important breakthrough in the application of dToF technology in the sensor field, which has promoted the upgrade and development of sensor technology.

2. Improve the level of product intelligence:

• The high-precision ranging and low power consumption characteristics of the MT3801 sensor enable various devices to achieve more intelligent control and interactive experience, improving the level of product intelligence.

3. Promote the development of related industries:

• The wide application of the MT3801 sensor will promote the development of related industries, such as smart homes, autonomous driving, industrial automation and other fields, and promote the intelligent process of the entire industry.

4. Enhance the competitiveness of domestic sensors:

• The launch of the MT3801 sensor has enhanced the competitiveness of domestic sensors in the international market and helped to enhance the international status of China’s sensor industry.

Future Outlook of MT3801 Sensor

With the continuous evolution of technology and the continuous expansion of the market, the MT3801 sensor will have a broader development prospect in the future:

1. Technology Upgrade:

• With the continuous development of dToF technology, the MT3801 sensor will continue to upgrade and optimize its performance, improve measurement accuracy and anti-interference ability.

2. Application Expansion:

• The MT3801 sensor will continue to expand its application areas, such as augmented reality (AR), virtual reality (VR), medical health and other fields, to achieve a more intelligent application experience.

3. Market Growth:

• With the continuous growth of markets such as smart homes and autonomous driving, the market demand for MT3801 sensors will continue to increase, driving the expansion of its market scale.

4. International Cooperation:

• The MT3801 sensor will actively participate in international market competition and cooperation, and promote the Chinese sensor industry to the world stage.

Summary

MT3801 sensor is a direct time-of-flight (dToF) sensor launched by Maxic with high performance and broad application prospects. It adopts advanced dToF technology, has the advantages of high-precision ranging, low power consumption, small size, and integrates multiple functional modules.

MT3801 sensor has broad application prospects in consumer electronics, automotive, industrial automation and other fields, which has promoted the upgrading and development of sensor technology, improved the intelligence level of products, and promoted the development of related industries.

With the continuous evolution of technology and the continuous expansion of the market, MT3801 sensor will have a broader development prospect in the future.

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