MC34982CHFK

Overview

The MC34982CHFK is a System Basis Chip (SBC) designed for automotive applications, integrating a high-speed CAN transceiver with ISO 11898-2 and -5 compatibility. It features multiple voltage regulators, including a protected 5V regulator for the CAN driver and auxiliary supplies. The device supports advanced diagnostics, monitoring of critical pins, and multiple wake-up sources such as CAN/LIN bus activity or I/O transitions. Built on SMARTMOS technology, it provides comprehensive power management and interface capabilities for robust electronic control unit designs.

Feature Summary

• Integrates an enhanced high-speed CAN interface with local and bus failure diagnostics and fail-safe operation modes.
• Provides multiple voltage regulators, including a fully protected embedded 5V regulator for the CAN driver and configurable auxiliary supplies.
• Supports multiple wake-up sources in low-power modes, including CAN/LIN bus signals, I/O transitions, and automatic timers.
• Features advanced SPI-based diagnostics and monitoring for MCU, ECU power supplies, and critical system pins.

Applications

• Automotive electronic control units (ECUs)
• Industrial market module designs
• Systems requiring robust CAN communication and integrated power management

Procurement Notes

Verify the specific suffix and package configuration against the official NXP ordering information to ensure compatibility with your design requirements. Confirm that the component meets the necessary automotive qualification standards for your target application. Cross-reference the datasheet revision date to ensure all latest errata and recommendations are considered during integration.

Selection Notes

Select this SBC when a combined solution for CAN communication and power regulation is required to reduce bill-of-materials count. It is suitable for designs needing integrated fault protection and diagnostic capabilities for critical automotive systems. Consider its SMARTMOS technology benefits for efficient power handling and thermal performance in compact layouts.

Part Context

The MC34982CHFK belongs to NXP's System Basis Chip family, which serves as an analog companion to microcontrollers. These chips integrate essential functions like voltage regulation, interface drivers, and monitoring into a single package, simplifying system architecture and enhancing reliability for automotive and industrial applications.

Replacement Considerations

Check NXP documentation for any recommended new designs or updated part numbers within the same SBC family. Ensure any substitute maintains compatible pinout, electrical specifications, and functional safety features if required by the application.