For the above reasons, Tyco Electronics selected the MQS (Micro Quadlock) terminal connection series for data transmission. The system has been proven on various types of vehicles for many years and, if equipped with its symmetrical connector design, is also suitable for data transmission in principle. The top half of Figure 1 shows a 4-bit shielded connector system based on an MQS connection.
Figure 1 Tyco Electronics' reliable automotive USB connection technology
Here, the entire connector is shielded. On the one hand, this design ensures a stable impedance of the connection area and on the other hand meets the high requirements for electromagnetic compatibility (irradiation, radiation) of the vehicle.
USB interface connector concept designed for automotive integration
Today, almost every consumer electronics product has a standard A, B or mini USB interface. A non-negligible problem with using such an interface in a car is how to ensure the reliability of the connected system after repeated plugging and unplugging for a long time. Assuming an average of three uses per day and about 1,000 uses per year, the number of insertions can be as high as 20,000 times over the life of the car for 20 years.
Different devices will require different kinds of USB interfaces. How to choose the installation location of the interface also requires consideration of the driver's ergonomic requirements.
Based on the above reasons, Tyco Electronics has developed a connection system that meets all of the above requirements while providing further convenience for customers. The core of the development of this system lies in the ease of replacement of the USB interface, also known as the USB adapter. It can be replaced at any time, such as once a year.
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Yangzhou M.T. New Energy & Lighting Group Co., Ltd. , https://www.mtstreetlight.com