MC34982CHFKR2

Overview

The MC34982CHFKR2 is a System Basis Chip (SBC) designed for automotive applications, integrating multiple voltage regulators and interface capabilities. It features a high-speed CAN transceiver compliant with ISO11898-2 and -5 standards, providing robust communication with local and bus failure diagnostics. The device includes dedicated regulators for the MCU and auxiliary components, ensuring stable power delivery across various operating conditions. Integrated monitoring functions allow for comprehensive system health checks, while low-power modes support efficient energy management in vehicle networks.

Feature Summary

• Integrates high-speed CAN interface with diagnostic capabilities
• Provides regulated power supplies for MCU and auxiliary circuits
• Includes advanced monitoring for voltage and temperature
• Supports low-power operation with multiple wake-up sources

Applications

• Automotive body control modules
• Gateway nodes in vehicle networks
• Door control units
• Seat adjustment systems

Procurement Notes

Verify the specific suffix 'CHR2' against the manufacturer's current datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and thermal requirements. Cross-reference the part number with official NXP distribution channels to avoid counterfeit components. Confirm that the selected variant meets the required functional safety standards for your specific application context.

Selection Notes

Select this SBC when a combined solution for power regulation and CAN communication is required to reduce component count. Consider its integrated diagnostic features for systems needing high reliability. Evaluate the available regulator outputs against the power budget of the target MCU and peripherals. Ensure the operating temperature range aligns with the intended automotive environment.

Part Context

This component belongs to NXP's System Basis Chip family, which combines analog companion functions with microcontroller interfaces. These devices are engineered to simplify automotive electronic design by integrating essential power management and communication interfaces into a single package. The MC34982 series specifically targets applications requiring robust CAN connectivity and reliable power distribution in harsh automotive environments.

Replacement Considerations

Check for direct pin-to-pin replacements within the MC3498x series or newer generations like the MC3490x series. Verify that any substitute maintains the same CAN transceiver performance and regulator specifications. Ensure the alternative part supports the required diagnostic features and package dimensions for seamless integration.