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Car Electronic Transient Protection
According to the ISO-7637-2 standard, the main transient shocks of automotive electronics can be simulated using 1, 2a/2b, 3a/3b, and 5a/5b waveforms.
The commonly used products corresponding to the relevant requirements are as follows.
● Driving Recorder
● Powertrain Electronics
• Engine Control Unit (ECU): Manages fuel injection, ignition timing, and emission control in the engine.
• Transmission Control Unit (TCU): Manages gear shifting and transmission optimization in automatic transmissions.
• Electric and Hybrid Vehicle Controls: Includes motor control, regenerative braking systems, and Battery Management Systems (BMS).
● Body Electronics
• Lighting Control Systems: Manages headlights, taillights, turn signals, fog lights, and interior lighting.
• Window and Door Control: Includes power windows, central locking, and sunroof control systems.
• Seat Adjustment and Heating Systems: Includes power seats, seat heating, and memory functions.
● Infotainment Systems
• Audio and Video Systems: Includes radios, CD/DVD players, touchscreen displays, and speaker systems.
• Navigation Systems: GPS navigation, real-time traffic updates, and in-car maps.
• Communication Systems: Bluetooth connectivity, in-car Wi-Fi, and voice recognition systems.
● Advanced Driver Assistance Systems (ADAS)
• Adaptive Cruise Control (ACC): Automatically adjusts vehicle speed to maintain a safe distance from the vehicle ahead.
• Lane Keeping Assist (LKA): Helps the vehicle stay centered within its lane.
• Automatic Emergency Braking (AEB): Automatically applies brakes when a potential collision is detected.
• Blind Spot Detection (BSD): Monitors blind spots and alerts the driver to potential hazards.
● Safety Systems
• Airbag Control Systems: Deploys airbags during a collision to protect passengers.
• Electronic Stability Control (ESC): Helps prevent loss of vehicle control.
• Anti-lock Braking System (ABS): Prevents wheels from locking up during emergency braking.
• Tire Pressure Monitoring System (TPMS): Monitors tire pressure and alerts the driver if it falls below a safe level.
● Electrical and Power Management Systems
• Battery Management Systems (BMS): Monitors and manages the performance of the vehicle's battery, especially in electric and hybrid vehicles.
• Power Distribution and Management Systems: Controls the distribution of electrical power among the vehicle's electronic systems.
• Charging Systems: Includes charging controllers and fast-charging technology, especially for electric vehicles.
● In-Vehicle Networking Systems
• Controller Area Network (CAN): Facilitates data transfer and communication between electronic devices within the vehicle.
• Automotive Ethernet: Provides higher bandwidth for data transmission, suitable for advanced driver assistance and autonomous driving systems.
• Optical Fiber Communication: Used for high-speed data transfer in multimedia systems.
● Climate Control Systems
• Heating, Ventilation, and Air Conditioning (HVAC): Controls temperature, humidity, and air quality inside the vehicle.
• Seat Ventilation and Heating: Enhances passenger comfort with features like ventilated and heated seats.
● Vehicle Sensors
• Radar and Lidar: Detects objects and obstacles around the vehicle.
• Ultrasonic Sensors: Commonly used for parking assistance and obstacle detection.
• Camera Systems: Provides panoramic views, reverse cameras, and aids in driver assistance.
● Autonomous and Smart Driving Systems
• Autonomous Driving Control Units: Process sensor data and manage the vehicle's autonomous driving functions.
• Environmental Perception Systems: Combines data from multiple sensors to create a 3D model of the vehicle's surroundings.
• Path Planning and Decision Systems: Calculates optimal driving paths and makes driving decisions.
