MC33912BACR2

Power Management - Specialized Overview

The MC33912BACR2 is a LIN System Basis Chip (SBC) from NXP Semiconductors, housed in an LQFP-32 package. It integrates a full-duplex SPI interface operating at frequencies up to 4MHz and a LIN transceiver supporting data rates up to 100Kbps with wave shaping. The device includes two 5.0V/60mA LDOS, a DC motor predriver, and a current sense module. Supply voltage ranges from 5.5V to 27V, with typical supply current of 4.5mA. It features diagnostic capabilities via SPI and supports automotive applications.

Power Management - Specialized Feature Summary

• Integrates a LIN transceiver with waveform shaping for robust communication
• Includes a DC motor predriver and current sense module for actuator control
• Provides dual 5.0V low-dropout regulators with comprehensive protection
• Offers full-duplex SPI interface for high-speed MCU communication and diagnostics

Power Management - Specialized Applications

• Automotive electronic systems
• Digital dashboard implementations
• MCU-based system basis architectures requiring integrated power management

Power Management - Specialized Procurement Notes

Verify component status carefully as the MC33912BACR2 is designated as Last Time Buy. Confirm availability through authorized distributors before finalizing design-in decisions. Ensure compatibility with existing PCB footprints and ECAD models. Review datasheet revisions for any functional updates or pinout changes relative to previous production runs.

Power Management - Specialized Selection Notes

Select this component when a combined LIN transceiver, power management, and motor driving capability is required in a single package. Consider the LQFP-32 form factor for space-constrained automotive designs. Evaluate the need for current sensing and DC motor pre-driving functions to determine if this SBC simplifies the bill of materials compared to discrete solutions.

Power Management - Specialized Part Context

The MC33912 belongs to the 33912 series of Serial Peripheral Interface controlled System Basis Chips. It is designed to replace multiple discrete components in MCU-based automotive systems. The part complements similar devices like the MC33911 by adding specific current sense and motor pre-driver functionalities while maintaining standard LIN and SPI interfaces.

Power Management - Specialized Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is marked Last Time Buy, alternative sourcing should be prioritized immediately. No direct cross-reference replacements are listed in the source material.