MC35FS4502NAE

Power Management - Specialized Overview

The MC35FS4502NAE is a Grade 0 automotive System Basis Chip (SBC) from the FS4500 family, designed for ASIL B/D applications. It features a linear 0.5 A Vcore regulator and operates within an input voltage range of 2.7 V to 40 V. The device provides output voltages between 1 V and 5 V, with a maximum output current of 500 mA. It supports surface-mount installation in an LQFP-48 package with exposed pad. The component functions across a wide temperature range from -40°C to +150°C ambient and up to 175°C junction temperature.

Power Management - Specialized Feature Summary

• Integrates advanced functional safety measures targeting ASIL B or D applications
• Includes integrated CAN FD and LIN physical interfaces compliant with ISO 11898-2, -5, and LIN standards
• Features a highly flexible SMPS pre-regulator supporting non-inverting buck-boost and standard buck topologies
• Provides multiple low-power wake-up sources including CAN, I/Os, and Long Duration Timer

Power Management - Specialized Applications

• Power Train systems
• ASIL B or D automotive control units
• MCU power supply and optimization
• Sensor supply and auxiliary functions

Power Management - Specialized Procurement Notes

Verify that the specific suffix NAE matches the required packaging and tape-and-reel specifications if applicable, as standard trays may be listed. Confirm the part status regarding end-of-life notices, as some FS4500 variants are marked obsolete. Ensure compliance with AEC-Q100 Grade 0 requirements for high-temperature operation up to TA=150°C. Check moisture sensitivity levels and reflow soldering profiles against the latest datasheet revision before ordering.

Power Management - Specialized Selection Notes

Select this component when a linear Vcore regulator is preferred over switching modes for lower noise in sensitive MCU cores. Choose the MC35FS4502NAE for designs requiring Grade 0 automotive qualification and operation at elevated temperatures up to 150°C ambient. Consider the 0.5 A current limit for smaller MCU cores compared to higher-current SBC variants. Verify that the LQFP-48 package fits the PCB footprint constraints and thermal dissipation requirements.

Power Management - Specialized Part Context

The MC35FS4502NAE belongs to the FS4500 series of System Basis Chips, which integrate power management and communication interfaces for automotive microcontrollers. This series is distinguished by its support for ASIL B/D functional safety and integration of CAN FD and LIN transceivers. The FS4500 family offers scalable solutions for various automotive domains, balancing performance, safety, and energy efficiency through configurable regulators and low-power modes.

Power Management - Specialized Replacement Considerations

Consult official substitution lists for direct replacements. Variants such as MC35FS4501NAE or MC35FS4503NAE may offer different current ratings or feature sets. Ensure any substitute maintains Grade 0 automotive qualification and ASIL B/D compatibility.