NXP UJA1169ATKZ System Basis Chip

The NXP UJA1169ATKZ is a highly integrated system basis chip (SBC) that combines a number of features essential for the control of next-generation automotive applications. This compact solution is part of NXP's Mini High-Speed CAN System Basis Chip family and is designed to support the networking applications used in vehicles, such as body control modules, gateway modules, and various sensor applications.

With its integrated high-speed Controller Area Network (CAN) transceiver, the UJA1169ATKZ provides robust communication capabilities while meeting the ISO 11898-2:2016 standard. The device supports CAN Flexible Data rates (CAN FD) for higher bandwidth requirements, ensuring compatibility with modern automotive communication standards. The transceiver is designed to withstand the harsh conditions of the automotive environment, offering excellent ElectroMagnetic Compatibility (EMC) performance.

The UJA1169ATKZ also features a voltage regulator with various modes of operation, including a Normal mode, Standby mode, and Sleep mode, to optimize power consumption for different phases of operation. The integrated watchdog and fail-safe features enhance the reliability and safety of the system, making it suitable for safety-critical applications.

This SBC includes a battery-related high-voltage input that can handle jump-start and load-dump conditions, ensuring the protection of the connected microcontroller and other peripherals from high-voltage transients. The device also offers a range of diagnostic and protection features, such as under-voltage detection, over-temperature protection, and CAN-bus failure detection, which contribute to the overall robustness of the system design.

The UJA1169ATKZ is available in a small HVQFN32 package, making it a space-efficient choice for compact electronic control units. Its versatility and integration make it an ideal choice for automotive engineers looking to streamline their designs while maintaining high levels of performance and reliability.