The NXP UJA1076ATW/3V3/WD is a high-performance System Basis Chip (SBC) designed to support the power supply and the CAN communication of microcontroller-based applications in automotive environments. This robust integrated circuit is specifically tailored to meet the stringent requirements of the automotive industry, including the ability to withstand harsh conditions and provide reliable operation over a wide temperature range.

Key Features:

• Power Management: The device offers a versatile 3.3V voltage regulator with a watchdog feature, ensuring a stable power supply for the connected microcontroller and other peripherals. Its power-saving modes contribute to the overall efficiency of the system.
• CAN Interface: Equipped with a high-speed CAN transceiver, the UJA1076ATW/3V3/WD facilitates reliable communication within automotive networks, compliant with the ISO 11898-2 standard.
• Watchdog Timer: The integrated watchdog timer provides system monitoring, enhancing the safety and reliability of the application by resetting the system in case of a malfunction.
• Fail-Safe Operation: With its fail-safe features, including under-voltage detection and thermal protection, the chip ensures safe operation under adverse conditions.
• Low Standby Current: The SBC has been designed to have a low standby current, which is critical for battery-powered applications and contributes to the reduction of overall power consumption.

Applications:

The UJA1076ATW/3V3/WD is ideal for a range of automotive applications where a reliable power supply and CAN communication are essential. Common use cases include body control modules, gateway modules, powertrain applications, and various sensor interfaces within vehicles.

Technical Specifications:

• Supply voltage range: 5.5V to 27V
• 3.3V output voltage regulator with current capability suitable for microcontroller supply
• High-speed CAN transceiver (up to 1 Mbit/s)
• Watchdog with an adjustable time-out period
• Over-temperature and under-voltage protection
• Compliant with the AEC-Q100 standard for automotive quality

The NXP UJA1076ATW/3V3/WD provides a compact, reliable solution for automotive electronics designers looking to streamline their power management and communication systems, ensuring high performance and robust operation in challenging environments.