UJA1075ATW/3W/2Z

Power Management - Specialized Overview

The UJA1075ATW/3W/2Z is a high-speed CAN/LIN core System Basis Chip (SBC) designed for automotive electronic control units. It integrates a high-speed CAN transceiver, a LIN transceiver, and an advanced independent watchdog timer. The device operates within a supply voltage range of 4.5V to 28V and supports an operating temperature range of -40°C to 125°C. It features a 250mA voltage regulator for microcontroller power and includes an SPI interface for system communication. The component is housed in a 32-pin HTSSOP package and meets AEC-Q100 automotive qualification standards.

Power Management - Specialized Feature Summary

• Integrates full CAN and LIN ECU functions including transceivers and watchdog timer
• Provides extendable 3.3V or 5V voltage regulation with independent CAN transceiver supply
• Features enhanced electromagnetic compatibility and robust electrostatic discharge protection
• Supports controlled system startup behavior and detailed status reporting via SPI

Power Management - Specialized Applications

• Automotive Electronic Control Unit (ECU) design
• High-speed CAN network interfaces
• Local Interconnect Network (LIN) sub-bus applications
• Power management for sensor peripherals

Power Management - Specialized Procurement Notes

Verify the specific suffix '3W/2Z' against official NXP documentation to confirm the presence of the watchdog timer and exact voltage regulator configuration. Ensure the component meets current automotive qualification requirements for your target application. Check for end-of-life status or alternative sourcing options as availability may vary by region.

Power Management - Specialized Selection Notes

Select this SBC when a single-chip solution for CAN and LIN communication is required alongside integrated power management. It is suitable for designs needing an independent watchdog for safety compliance and extended thermal performance through external transistor support. Consider the HTSSOP-32 package constraints and SPI interface requirements for microcontroller integration.

Power Management - Specialized Part Context

This component belongs to the UJA1075A series of System Basis Chips from NXP Semiconductors. These chips are engineered to replace discrete components in automotive ECUs, offering a compact and reliable platform for network communication and power distribution. The series emphasizes integration of essential ECU functions into a single semiconductor device.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers: UJA1075ATW/5V0WD,1; UJA1075ATW/3V3/2J.