Infineon TLE9263QXV33: System Basis Chip for Automotive Power Management

The increasing complexity of automotive electronic control units (ECUs) demands highly integrated and robust power management solutions. Addressing this need, Infineon Technologies' TLE9263QXV33 is a premier System Basis Chip (SBC) designed to serve as the central power and communication hub for a wide range of vehicle applications.

This SBC consolidates multiple critical functions into a single, compact VQFN-48 package. Its core is a high-efficiency switching pre-regulator, followed by two independent linear voltage regulators, providing stable power to the microcontroller and other peripherals. A key strength of the TLE9263QXV33 is its integrated high-speed CAN FD (Flexible Data-Rate) transceiver, which ensures reliable and robust network communication within the vehicle, even in electrically harsh environments.

Beyond power and communication, the chip enhances system safety and control. It features a fail-safe output stage for driving a microcontroller's enable signal and a watchdog with a window/timeout function to monitor software execution. Furthermore, it includes a high-speed LIN transceiver for local sub-networking, making it exceptionally versatile for body control modules, gateways, and sensor integration applications.

Designed for the rigorous automotive environment, the TLE9263QXV33 operates over a wide temperature range and offers outstanding robustness against electromagnetic interference (EMI) and electrostatic discharge (ESD). Its low quiescent current modes also make it suitable for power-sensitive scenarios, helping to extend vehicle battery life.

ICGOOODFIND: The Infineon TLE9263QXV33 SBC stands out as a highly integrated, reliable, and efficient solution that simplifies ECU design, reduces board space, and enhances overall system reliability for modern automotive applications.

Keywords: System Basis Chip, Automotive Power Management, CAN FD Transceiver, Fail-Safe Output, LIN Transceiver.