MC35FS6518CAE

Power Management - Specialized Overview

The MC35FS6518CAE is a Grade 0 safety power system basis chip from NXP Semiconductors, designed for automotive applications. It integrates DC-DC switching regulators and linear regulators to provide power to microcontrollers. The device supports an input voltage range of 2.7 V to 40 V and delivers output voltages between 1 V and 5 V. It features a 1.5 A SMPS for MCU core supply and includes integrated CAN FD and LIN physical interfaces. Packaged in a 48-HLQFP (7x7) format, it operates within a temperature range of -40°C to +150°C ambient and up to 175°C junction temperature, complying with AEC-Q100 Grade 0 standards.

Power Management - Specialized Feature Summary

• Integrates ASIL B SMARTMOS technology for advanced functional safety measures
• Includes highly flexible SMPS pre-regulator supporting non-inverting buck-boost and standard buck topologies
• Provides battery voltage sensing and MUX output pin capabilities
• Supports low-power modes with multiple wake-up sources including CAN, LIN, I/O, and long-duration timer

Power Management - Specialized Applications

• Power Train systems
• ASIL B/D ready automotive electronic control units
• Microcontroller power supply optimization

Power Management - Specialized Procurement Notes

Verify the specific suffix CAE against official NXP documentation to confirm package type and thermal characteristics. Ensure compatibility with ASIL B/D requirements if safety integrity is critical. Confirm availability through authorized distributors as lead times may vary. Check RoHS compliance status via the manufacturer's datasheet before integration into final assemblies.

Power Management - Specialized Selection Notes

Select this component when high-temperature operation up to 150°C ambient is required, distinguishing it from Grade 1 variants. Choose the 1.5A SMPS variant if the target MCU core current exceeds lower capacity options. Verify that the integrated CAN FD transceiver meets the specific network speed and isolation requirements of the application design.

Power Management - Specialized Part Context

This part belongs to the FS6500 family of System Basis Chips, which combine power management and communication interfaces. The MC35FS6518CAE specifically targets Grade 0 automotive environments requiring higher thermal tolerance than standard industrial components. It serves as a central power hub for complex embedded systems in vehicles.

Power Management - Specialized Replacement Considerations

MC35FS6510CAE is a related variant within the same family but may differ in specific current ratings or interface configurations. Verify electrical parameters and pinout compatibility before substitution. Consult NXP documentation for detailed cross-reference information.