TLE9252VLCXUMA1 Integrated Circuits (ICs)

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TLE9252VLCXUMA1 Application Field and Working Principle

The TLE9252VLCXUMA1 is an integrated high-performance bus interface chip that is used in automotive applications. It is an interface - drivers, receivers, transceivers product that enables communication between the system’s functional parts, such as the microcontroller, embedded systems, and external systems. The chip supports LIN, CAN, SPI, and I2C communication protocols for efficient and effective data communication.

Application Fields

The TLE9252VLCXUMA1 is a reliable and robust interface chip used in many automotive applications. It enables the transmission and reception of data over the LIN, CAN, SPI, and I2C protocols. It is used in automotive application domains such as in-vehicle networks, engine control unit (ECU), instrument clusters, infotainment systems, and body control systems. It provides efficient controlling of audio and video data, as well as other multimedia content in the vehicle. It is highly reliable with EMC-compliant protection against cable short and cross linking.

Working Principle

The TLE9252VLCXUMA1 operates with an integrated voltage regu­lator (VREG), which switches the system power rails according to the standby or wake-up event. Connecting this chip with LIN, CAN, SPI, and I2C networks ensures that external activities can be monitored and that data is securely transferred from the vehicle to the aformentioned networks. The chip also includes an ISO TxD auto baudrate detection, which enables it to automatically detect the communication speed of the LIN bus and set it accordingly.

The TLE9252VLCXUMA1 also allows for dynamic data fragmentation and re-assembly. When the messages are to be fragmented, the chip detects their size and meets the requirements by segmenting them into appropriate sizes. It allows for up to eight different configurations of message length and number of bytes. Upon receiving the fragmented messages, the chip re-assembles the received bytes and sends an indication message with the re-assembled message data.

The TLE9252VLCXUMA1 chip is designed to meet automotive-grade robustness and reliability. Its Power-Fail functionality ensures that data loss is minimized during power outages. Its ESD protection, according to IEC 61000-4-2, protects against ESD contacts up to +/- 8 kV and air discharges up to +/- 15 kV.

In addition, the chip also includes an integrated wake-up capability that allows for fast wake-up from the standby mode by wake-up times of less than 130 mS. In this way, the user can save power and ensure that data remains available at all times.

Conclusion

The TLE9252VLCXUMA1 integrated high-performance bus interface chip is an interface - drivers, receivers, transceivers product that is used in a variety of automotive applications. It enables the transmission and reception of data with LIN, CAN, SPI, and I2C protocols. It is designed to meet automotive-grade robustness and reliability and also supports dynamic data fragmentation and re-assembly, wake-up times of less than 130 mS, and Power-Fail functionality. As such, it is an effective and efficient interface chip for automotive applications.

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