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How are automotive crystal oscillators applied?

How Are Automotive Crystal Oscillators Applied?

Automotive electronic devices are electronic devices that can be independently used in automotive environments. In fact, automotive electronic devices are not directly related to the performance of the vehicle itself. They include GPS navigation systems, car audio systems, car information systems, television entertainment systems, internet access devices, and vehicle communication systems. These automotive electronic devices require many crystal oscillators to improve the circuit design. Their role is to generate oscillations to ensure the quality of circuit operation. The crystal oscillators required for automotive electronics need to be high-quality crystals with good shock resistance to ensure high-quality quartz crystal oscillators for the circuit.

Clock crystal oscillators are widely used in vehicle systems, with products ranging from 16MHz to 24MHz. The adopted size is 2.5×2.0mm, which is 37% smaller in volume compared to traditional crystals of the same frequency band. In addition, the original crystal oscillator uses glass sealing and fusion sealing, which is mainly aimed at applications in standard high-precision automotive ECUs such as ECU, ABS, EPS, and body ECU. The operating temperature range is from -40 to +125℃, but it can also be used in environments up to +150℃.

The transition from automotive pin-type crystal oscillators to 3225 miniature crystal oscillators is due to the overall trend of miniaturization in crystal product packaging, as well as the special high-temperature operation requirements (+150℃) of automotive applications, which have increased the demand for improved solder crack resistance. Especially with the trend of higher operating frequencies to improve ECU processing performance, the demand for miniaturization is expected to become more intense. The operating temperature range for automotive electronic components is from -40 to +125℃, and can reach up to +150℃ depending on the application.

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