Comprehensive Analysis of Automotive Connector Technology

Recently, Connector and wiring harness manufacturers have gathered together to make official announcements.
Tyco Electronics, Rosenberg, Lenny, and Anbofu connector manufacturers have successively announced that they have won the 6th Golden Collection Award · China Automotive New Supply Chain Top 100, hosted by GAC Motor. Their outstanding high-performance connection solutions have been widely recognized by the industry.
In the field of intelligent chassis applications, the GEMnet 10 Gigabit differential connector developed by Tyco Electronics has broken through transmission speed and quality, with nearly zero delay in connector transmission. In the field of intelligent driving applications, Rosenberg's low loss high-speed data interface and Lenny's automotive autonomous driving data transmission Cable and other connector harness products assist in the high-speed and safe transmission of ADAS system information data. In the field of powertrain and charging/swapping, Anbofu's modular charging sockets provide a more lightweight, intelligent, and safe charging solution.
This article will analyze the new connection solutions and innovative connector technologies of the award-winning connector manufacturers, and explore the application of connectors in the development process of automotive electrification and intelligence.

1 Rosenberg - Low Loss High Speed Data Interface
01 | Application Requirements
With the continuous improvement of automobile intelligence level, the electronic and electrical architecture of automobiles is constantly developing towards domain centralization. In terms of autonomous driving and intelligent driving assistance systems, vehicles can achieve more accurate environmental perception, decision-making planning, and execution control through advanced sensors, algorithms, and computing platforms.
The low loss high-speed data interface connector applied in the field of intelligent driving is not only responsible for efficiently transmitting a large amount of sensor data, video streams, and control system information, but also must ensure the real-time, accuracy, and reliability of these data transmissions.
In the field of high-frequency and high-speed connectivity, Rosenberg has developed low loss high-speed data interfaces, greatly promoting the transformation of car equipment design towards miniaturization and modularity. They are mainly used in autonomous driving, 4K high-definition cameras, car entertainment systems, navigation systems, antenna systems, and radar systems.
02 | Technical Analysis
Rosenberger's low loss high-speed data interface product line includes HFM connectors, Rosenberger HSD connectors, and H-MTD connectors. With their modular and scalable features, they can achieve efficient in vehicle data transmission in limited space while ensuring optimal lightweight and cost-effectiveness.
For example, the high-speed connector module designed by Rosenberg integrates HFM connectors, H-MTD connectors, and power connectors, by separating the originally dispersed two four cavity H-MTDs ® Waterproof connector, 3 four chamber HFMs ® The waterproof connector and two power connectors have been merged into a single integrated connector, successfully achieving a 40% reduction in space occupation through optimized connector design.
Among them, H-MTD ® The series connectors have a transmission frequency of 20GHz and a transmission rate of 56Gbps, with strong resistance to electromagnetic interference, meeting the needs of ADAS and autonomous driving.
Small High Speed Coaxial System HFM ® The series connectors have the advantages of miniaturization, lightweight, and high integration, with high-frequency and high-speed characteristics up to 20GHz and 56Gbps.

2 Tyco Electronics - GEMnet 10 Gigabit Differential Connector
01 | Application Requirements
Differential connector is a type of connector used for transmitting digital signals. It uses two equal length and width wires, one for transmitting positive signals and the other for transmitting negative signals, to ensure high-speed communication of information between key components inside the vehicle.
The intelligent chassis system of automobiles is a technology that integrates numerous ECUs, sensors, and actuators. It can intelligently manage and control the chassis system of vehicles, and advanced data integration and algorithm optimization can improve the safety and stability of automobiles.
How to achieve a more streamlined cable layout, reduce the complexity and weight of in car wiring, and meet longer distance data transmission requirements is a significant challenge for connector manufacturers.
Taike has developed an application and system architecture that can adopt simplified wiring and support longer distance transmission. Among them, the GEMnet 10G differential connector collaborates with Texas Instruments FPD Link IV interface chip to support transmission speeds of up to 56 Gbps. The GEMnet 10G differential connector has almost zero transmission delay and is compatible with Gigabit Ethernet standards, ensuring data transmission efficiency and reliability up to 15 meters away.
02 | Technical Analysis
The Tyco GEMnet 10 Gigabit Differential Connector adopts a twisted pair connection method, with each GEMnet connection corresponding to two PIN pins, and equipped with primary and secondary locks as well as CPA mechanism to ensure strong cable retention. Through a multi contact design, it achieves superior electromagnetic compatibility performance.
For intelligent driving applications such as LiDAR, Taike has innovatively developed a hybrid connection solution for in vehicle LiDAR. The MATEnet gigabit differential connector has been upgraded to GEMnet ten gigabit differential connector, using a same cavity parallel connection, where GEMnet ten gigabit differential connection shares the same cavity with MQS low-voltage signal and power connection. This not only saves space and raw materials, but also improves the convenience of connector installation.

3 Anbofu - Modular Charging Socket
01 | Application Requirements
Under the trend of continuous high-voltage development of new energy vehicles, the increasing battery capacity of vehicle manufacturers requires charging sockets with higher current to shorten charging time and optimize efficiency through temperature feedback.
The modular design of the charging dock can reduce the number of components in the final assembly, alleviate the wiring harness for high-voltage connections, merge the structure and reduce brackets, and lower the complexity of vehicle level management.
Anbofu has been investing in research and development in the field of electrification since 2011, focusing on technical products such as connectors, charging guns, and wiring harness systems.
Its modular charging socket meets the requirements of high-power charging, lightweight charging wire harness, and achieves a safer charging process through liquid cooling technology and vehicle to grid (V2G) function, simplifying the wire harness manufacturing process and improving the automation production capacity of wire harnesses.
02 | Technical Analysis
The core of a charging socket is to provide sufficient charging power to shorten charging time. In design, flexibility, scalability, and durability should be fully considered. For example, interface design should be concise and clear, easy to assemble, repair, and replace, and reduce maintenance costs.
Anbofu modular charging sockets provide a more intelligent design solution.
Temperature sensing technology: Accurately track terminal temperature to prevent excessive temperature.
Active cooling technology: By flowing coolant near the charging terminal, the temperature is reduced and higher power charging is supported.
Modular design: universal components and modular design that adapt to the needs of different platforms and vehicle models, achieving economies of scale.
High power and lightweight: using aluminum bars and rods to reduce the weight of charging harnesses
Low voltage signal circuit design: saves shrapnel and increases the contact points between terminals and PCBA, enhancing contact reliability.
Stamped terminal solution: The socket adopts stamped terminals, reducing manufacturing and material costs, and facilitating automated production of wire harnesses.

4 Lenny China - Automotive Autonomous Driving Data Transmission Cable
01 | Application Requirements
Under the high development trend of ADAS in the automotive industry, the market's requirements for the safety and integrity of data transmission in autonomous driving continue to increase. The transmission cables for autonomous driving data in automobiles need to have high transmission rates, high reliability, strong anti-interference ability, high safety, and lightweight performance.
02 | Technical Analysis
High speed data transmission cables require design simulation, material selection, structural design, process validation, testing fixture validation, and other fields.
As a leading global manufacturer of automotive wiring harness cables, Lenny has very mature product solutions such as coaxial cables, high transmission rate cables, and high space saving medium speed 100Mbps/1Gbps/10Gbps automotive Ethernet cable product solutions.
Among them, the Lenny Daccar Ethernet cable used for fast information and communication in vehicles supports bidirectional signal transmission speeds of up to 100Mbps and 1Gbps.
Daccar Ethernet cables include symmetrical and asymmetrical cables. Symmetric cables include multi-core, shielded, and unshielded cables used for internal data transmission in vehicles. In the application of autonomous driving antennas, asymmetric coaxial cables with foam or solid dielectric have been developed. In installation areas sensitive to electromagnetic interference, metal braided shielding mesh and shielding foil are used to suppress interference and improve signal transmission quality.
In terms of insulation materials, Lenny has developed a special polypropylene (PP) resin that combines optimal dielectric properties, high-frequency transmission stability, temperature stability, and long-term aging for use as the insulation medium in multi-core data cables.