MC33911BACR2

Power Management - Specialized Overview

The MC33911BACR2 is a LIN System Basis Chip integrating a LIN transceiver, DC motor pre-driver, and power management. It features a 5.0V LDO with 60mA output current capability. The device includes one high-side switch rated at 60mA and two low-side switches rated at 160mA each. It operates within a supply voltage range of 5.5V to 27V and supports an operating temperature range from -40°C to 125°C. The component utilizes an LQFP-32 package for surface mount installation.

Power Management - Specialized Feature Summary

• Integrates a LIN transceiver compliant with protocol specifications 2.0 and 2.1
• Includes a full-duplex SPI interface supporting frequencies up to 4MHz
• Features configurable window watchdog timer for error detection
• Provides comprehensive protection and diagnostic reporting via SPI

Power Management - Specialized Applications

• Automotive electronic systems
• Digital instrument clusters
• System basis chip implementations requiring LIN communication

Power Management - Specialized Procurement Notes

Verify the specific suffix 'R2' against the manufacturer's official documentation to confirm reel packaging details. Confirm that the component status reflects the 'End of Life' designation noted in distributor records. Ensure compatibility with automotive environmental requirements given the specified temperature range. Validate pinout configurations for the LQFP-32 package prior to integration into new designs.

Power Management - Specialized Selection Notes

Select this component when a combined solution for LIN communication and DC motor control is required. It is suitable for applications needing integrated power regulation with a 5.0V LDO. Consider the device if full SPI diagnostics and configurable watchdogs are necessary for system reliability. Evaluate the trade-off between the integrated high-side and low-side switch capabilities versus discrete solutions.

Power Management - Specialized Part Context

The MC33911 belongs to the NXP (formerly Freescale) 3391x family of System Basis Chips designed for automotive applications. This series integrates essential functions like LIN transceivers, power switches, and regulators into a single package. The family typically includes variants such as the MC33910 and MC33912, differing primarily in the number and type of integrated power outputs and regulatory features.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.