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Epson programmable crystal oscillator SG-8101CE for application in automotive electronics field

  • Jan 14,2025
  • 104 Views
In today's rapidly developing automotive intelligence, automotive electronic systems have become the key determinant of vehicle performance and safety. From precise control of the engine, to stable operation of intelligent driving assistance systems, to smooth experience of in car entertainment systems, every link cannot be separated from the support of high-precision electronic components. SG-8101CE is a CMOS output programmable quartz crystal oscillator with high precision, low power consumption, and flexibility, which is very suitable for use in automotive electronic systems.

The SG-8101CE crystal oscillator supports a wide frequency range (0.67 MHz to 170 MHz) and can provide stable clock signals, which are crucial for various functions in automotive electronic systems. The SG-8101CE crystal oscillator also has low power consumption characteristics, which help reduce energy consumption in automotive electronic systems and extend battery life, especially in electric and hybrid vehicles. In addition, the SG-8101CE crystal oscillator has a wide temperature tolerance range, with a working temperature of up to 105 ° C, enabling it to maintain stable performance in extreme environments.

The application of Epson SG-8101CE programmable crystal oscillator in the field of automotive electronics, the following are some specific introductions:


1. Automotive multimedia system

Audio processing: In car audio systems, this crystal oscillator provides accurate clock signals for audio codecs, ensuring the accuracy of audio signal sampling, quantization, and encoding processes, thereby achieving high fidelity music playback. Its high stability can effectively avoid audio signal distortion and stuttering, allowing users to enjoy a high-quality music feast in the car.

Video playback: For in car video entertainment systems such as car DVD players, rear entertainment displays, etc., the SG-8101CE crystal oscillator can provide a stable clock reference for the video decoding chip, ensuring smooth playback of video images and accurate color reproduction, avoiding problems such as image tearing, stuttering, or color abnormalities.


2. Vehicle control system

Engine control unit: The operation of the engine requires precise timing control. The SG-8101CE crystal oscillator provides stable clock signals for the engine control unit, ensuring the precise execution of key operations such as fuel injection and ignition timing. Under different operating conditions, such as idle, acceleration, deceleration, etc., the engine can ensure efficient operation and low emissions.

Electronic Stability Program Control System: During vehicle operation, the electronic stability program control system needs to monitor the vehicle's motion status in real time and make timely adjustments. The high precision and stability of the SG-8101CE crystal oscillator can provide accurate clock synchronization for sensors and control chips, enabling the system to quickly and accurately perceive vehicle sideslip, understeer, or oversteer, and apply brakes or adjust engine torque in a timely manner, improving vehicle driving safety.


3. Automotive safety system

Airbag control: In the event of a collision, the airbag needs to be accurately triggered in a very short period of time. The SG-8101CE crystal oscillator provides reliable clock signals for the airbag control unit, ensuring that the system can accurately determine the force and time of collision and trigger the airbag in a timely manner.

Anti theft system: The remote key and vehicle anti-theft control module in the car anti-theft system require high-precision clock signals to achieve accurate signal encoding and decoding. The programmable characteristics of SG-8101CE crystal oscillator can easily set specific frequencies and parameters according to system requirements, improving the safety and reliability of anti-theft systems.


4. Automotive communication system

Bluetooth and Wi Fi modules: With the development of smart cars, the application of Bluetooth and Wi Fi technology in cars is becoming increasingly widespread, such as mobile phone interconnection, in car navigation updates, online music playback, etc. The SG-8101CE crystal oscillator provides a stable clock source for Bluetooth and Wi Fi modules, ensuring high-speed and stable data transmission, avoiding signal interruption or transmission errors, and enhancing users' connectivity experience.

CAN bus communication: CAN bus is an important bus protocol for communication between various electronic control units inside the car. The SG-8101CE crystal oscillator provides accurate clock signals for the CAN bus controller, ensuring synchronization and accuracy of data communication between various control units, and achieving collaborative work between vehicle systems, such as information exchange and coordinated control between engine, gearbox, chassis and other systems.