Infineon TLE9251SJ: High-Speed CAN Transceiver for Automotive Networks

The evolution of modern vehicles into complex, software-defined systems has dramatically increased the demand for robust and reliable in-vehicle networking. At the heart of this communication lies the Controller Area Network (CAN), and the Infineon TLE9251SJ stands out as a premier high-speed CAN transceiver designed to meet the stringent requirements of next-generation automotive applications.

This transceiver serves as the critical interface between a microcontroller's CAN protocol controller and the physical CAN bus lines. It is engineered for high-speed CAN networks operating at speeds up to 5 Mbit/s (CAN FD), facilitating the rapid data exchange essential for advanced driver-assistance systems (ADAS), powertrain control, and body control modules. A key feature of the TLE9251SJ is its enhanced electromagnetic compatibility (EMC) and electrostatic discharge (ESD) protection, ensuring signal integrity and operational reliability in the electrically harsh environment of an automobile.

The device boasts a very low low-power management capability, supporting various sleep and standby modes. This is crucial for minimizing quiescent current consumption, a vital factor in modern vehicles with numerous always-on electronic control units (ECUs) to prevent battery drain. The TLE9251SJ can be woken up either via a local wake-up request through the CAN bus or a remote wake-up pattern, offering design flexibility.

Furthermore, its robust design for automotive environments is evidenced by its high resistance to transients, complying with international standards like ISO 11898-2 and ISO 17987. It integrates multiple protective features such as overtemperature protection, undervoltage detection, and loss of battery detection, safeguarding both the transceiver and the wider network from potential damage.

In summary, the Infineon TLE9251SJ provides a powerful, secure, and efficient communication link for the automotive CAN backbone. Its combination of high-speed data support, superior protection, and intelligent power management makes it an ideal solution for building more connected and intelligent vehicles.

ICGOODFIND: The Infineon TLE9251SJ is a highly integrated and robust high-speed CAN FD transceiver, offering best-in-class EMC performance and ultra-low power modes, making it a top-tier choice for automotive network designers prioritizing reliability and efficiency.

Keywords: CAN FD Transceiver, Automotive Networking, Low-Power Management, EMC Performance, Infineon TLE9251SJ