What are the core application scenarios of automotive connectors?

Release time: 2025-07-25

Author: Signal

Views: 45

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       1. Power system (drive and energy management)

  

  • Scenario: including motors, engines, battery packs, electronic control units (ECUs), etc., involving high-voltage current transmission, signal control and energy distribution.

  

  • Requirements: high current carrying capacity, high temperature resistance, vibration resistance, EMC (electromagnetic compatibility) protection.

  

  • Typical applications:

  

  ◦ Signal control of engine ignition system and fuel injection system;

  

  ◦ Connection between charging pile and on-board charger (OBC).

  

  ◦ High-voltage current transmission between power battery pack and motor controller;

  

  2. Body control system (body electronics)

  

  • Scenario: covering electronic control of body parts such as windows, door locks, rearview mirrors, lights, wipers, etc.

  

  • Requirements: low-voltage signal transmission, resistance to environmental interference (such as humidity, temperature changes), and miniaturized design.

  

  • Typical applications:

  

  ◦ PWM signal control of window lift motor;

  

  ◦ Switch signal transmission of central door lock system;

  

  ◦ Circuit connection of lighting control module (low beam, turn signal).

  

  3. Chassis system (safety and control)

  

  • Scenario: including braking system, suspension system, steering system, etc., involving sensor data transmission and actuator control.

  

  • Requirements: high reliability, vibration/shock resistance, and resistance to harsh environment (such as muddy and high temperature).

  

  • Typical applications:

  

  ◦ Signal transmission of ABS (anti-lock braking system) sensor;

  

  ◦ Motor control signal of electronic power steering (EPS) system;

  

  ◦ Real-time data feedback of suspension system height sensor.

  

  4. In-Vehicle Infotainment System (IVI)

  

  • Scenario: Covering central control screen, navigation, audio, Bluetooth/Wi-Fi modules, etc., providing driving interaction and entertainment functions.

  

  • Requirements: high-speed data transmission, multi-device interconnection, and anti-interference ability.

  

  • Typical applications:

  

  ◦ HDMI/USB video/data transmission between central control screen and vehicle host;

  

  ◦ Audio signal transmission between Bluetooth module and mobile phone;

  

  ◦ Antenna feeder connection between navigation system and GPS module.

  

  5. New Energy Three-Electric System (Battery, Motor, Electronic Control)

  

  • Scenario: The core system of new energy vehicles, involving high-voltage platform (400V/800V), battery management (BMS), and motor drive.

  

  • Requirements: high voltage/high current carrying, high temperature resistance, insulation protection, and EMC shielding.

  

  • Typical applications:

  

  ◦ High-voltage connection between modules inside the power battery pack;

  

  ◦ High-frequency signal transmission between the motor controller and the inverter;

  

  ◦ Sensor signal acquisition harness of the BMS (battery management system).

  

  6. Charging system

  

  • Scenarios: including on-board charger (OBC), fast charging interface, wireless charging module, etc., to support energy replenishment of electric vehicles.

  

  • Requirements: high current carrying capacity, resistance to plug-in wear, waterproof and dustproof.

  

  • Typical applications:

  

  ◦ Energy transmission circuit connection of wireless charging coil.

  

  ◦ Quick-plug connector for on-board charging interface (such as GB/T, CCS standards);

  

  ◦ DC/AC high-voltage connection between charging pile and OBC (such as liquid-cooled charging gun);

  

  7. Intelligent Driving and ADAS (Advanced Driver Assistance System)

  

  • Scenarios: including cameras, radars, LiDAR, domain controllers, etc., supporting autonomous driving functions.

  

  • Requirements: ultra-high-speed data transmission, low latency, high reliability (ASIL safety level).

  

  • Typical applications:

  

  ◦ High-speed video transmission between camera and domain controller (such as GMSL2, FPD-Link);

  

  ◦ Millimeter-wave signal transmission of radar module (such as Fakra connector);

  

  ◦ Ethernet backbone network for multi-sensor data fusion (such as 10Gbps automotive Ethernet).