HSD Connector Market Status and Production Process
The origin of the HSD connector
HSD connection system (High Speed Data) is a high-performance data connection system, which is a fully shielded interconnection system. To prevent crosstalk and interference from external sources, the characteristic impedance is 100Ω. First introduced by Rosenberger in 2007, it led the new trend of in-vehicle digital signal transmission at that time.
HSD provides two differential signal pairs for the development interface of the automotive industry, so it can not only send data according to low-voltage differential signaling (LVDS), it is widely used in automotive infotainment modules, cameras, head-up displays, etc., and can also be used for USB 2.0 / 3.0, Ethernet (10Base-T1s, 100BASE-TX, 100BASE-T1, 1000BASE-T1, BroadR-Reach) specification with high shielding efficiency.
Introduction to Signal Integrity of HSD Connectors and Harnesses
HSD is mainly a 4C shielded wire structure. In order to meet the high-speed signal transmission in the car, the high-frequency data requirements of the finished product must be guaranteed. Therefore, such bare wires need to be tested for the high-frequency of the corresponding wire, and ordinary USB cables cannot be used.
HSD Connector Market Status
HSD connectors are usually used with Fakra, Mini-Fakra. In the application of surround view ADAS system, the camera is connected to the wire harness through the Fakra connector, and the other end of the wire harness is connected to the HFM (Mini-Fakra) connector, so that the collected data can be transmitted to the vehicle surround view system (AVM), and then the HSD connector Connect the wiring harness to transmit the data to the host, and finally transmit the data to the display screen through the HSD+2 connector. HSD can not only transmit data according to low-voltage differential signaling (LVDS), but also can be used for USD 2.0/3.0, Ethernet specifications, and has high shielding efficiency. With the introduction of automotive Ethernet, HSD connectors will become compatible solutions.
Classification
HSD has a variety of integration types - single cavity/dual cavity, straight/angled, waterproof/non-waterproof and some other special +2, +4, +8 (on request) with power PIN connectors, added separately Power PIN can be used for larger current power supply.
1. Angled
A=HSD wiring harness; B=Shielded copper ring; C1=Center conductor-long; C2=Center conductor-short; D1=Elbow skeleton; E1=Outer conductor with plastic shell; E2=Gland
2. Straight
A=HSD wiring harness; B=Shielded copper ring; C=Center conductor; D=Frame; E=Outer conductor; F=Plastic case
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