The NXP UJA1075ATW/5V0/WDJ is a robust, high-performance System Basis Chip (SBC) that serves as a foundation for automotive electronic control units (ECUs). This advanced chip is designed to provide the necessary power supply and communication interfaces for microcontrollers in automotive applications, particularly those requiring a reliable Controller Area Network (CAN) interface.

Key Features

• Integrated Power Management: The UJA1075ATW/5V0/WDJ features an efficient 5V voltage regulator with a dedicated watchdog, ensuring that the microcontroller is supplied with a stable power source even under fluctuating conditions commonly found in automotive environments.
• CAN Transceiver: It includes a high-speed CAN transceiver that complies with the ISO 11898-2 standard, allowing for reliable communication at data rates of up to 1 Mbps.
• Watchdog Timer: A fail-safe watchdog timer enhances system reliability by monitoring the microcontroller and resetting it in case of a software freeze or malfunction.
• Low Power Modes: To conserve energy, the SBC supports various low-power modes, enabling the connected microcontroller and peripherals to reduce power consumption when the vehicle is in idle or sleep states.
• Protection Features: The device is equipped with numerous protection features, including under-voltage detection, over-temperature shutdown, and load dump protection, safeguarding the electronics against the harsh conditions of automotive applications.

Applications

The UJA1075ATW/5V0/WDJ is ideal for a wide range of automotive applications where a reliable connection and communication between ECUs are critical. It is commonly used in:

• Body control modules
• Gateway modules
• Powertrain systems
• Chassis control modules
• Advanced driver-assistance systems (ADAS)

Technical Specifications

With its robust design and comprehensive feature set, the UJA1075ATW/5V0/WDJ meets the stringent requirements of automotive electronics. It operates over a wide temperature range and is available in a compact HVSON14 package, making it suitable for space-constrained applications.