MC33FS8400G5ES

Power Management - Specialized Overview

The MC33FS8400G5ES is an automotive, functionally safe multi-output power supply integrated circuit designed for ADAS sensor applications. It features a DC maximum input voltage of 60V and includes multiple switch-mode power supplies (SMPS) and linear regulators to power S32 microcontrollers. The device supports a sleep current of 10µA in shutdown mode and utilizes a 32-bit SPI interface with CRC for communication. It incorporates independent safety monitoring to achieve ASIL B safety ratings and allows configuration via one-time programmable memory.

Power Management - Specialized Feature Summary

• Provides multiple SMPS and LDO outputs specifically configured to power S32 microcontrollers and associated sensors
• Integrates independent safety monitoring circuits to ensure functional safety compliance at the ASIL B level
• Supports low-power operation with a dedicated shutdown mode featuring ultra-low standby current consumption
• Enables flexible system configuration through programmable OTP memory for power sequencing and specific feature activation

Power Management - Specialized Applications

• Automotive Advanced Driver Assistance Systems (ADAS)
• Camera sensor power management
• Radar sensor power management
• Lidar sensor power management

Power Management - Specialized Procurement Notes

Verify that the component matches the FS84 series specifications, particularly the HVQFN56 package type. Confirm the presence of the KS suffix if new design implementation is required, as this indicates compatibility with recommended design practices. Ensure the part meets AEC-Q100 requirements and ISO26262 standards for automotive safety applications before integration.

Power Management - Specialized Selection Notes

Select this component when designing systems requiring ASIL B safety certification for power management. It is suitable for applications needing multiple regulated outputs for microcontrollers and sensors from a high-voltage automotive bus. Consider its pin-to-pin and software compatibility with the FS85 series if future scalability or alternative configurations are anticipated within the same product family.

Power Management - Specialized Part Context

The MC33FS8400G5ES belongs to the FS84 family of Safety System Basis Chips (SBC). This family is developed following ISO26262 standards and is optimized for automotive environments. The FS84 series is designed to be scalable and offers pin-to-pin and software compatibility with the FS85 series, allowing for flexible platform development across different vehicle architectures and sensor densities.

Power Management - Specialized Replacement Considerations

For new designs using the HVQFN56 package, parts with the KS suffix (MC3xFS84xxKS) are recommended. The FS84 series maintains pin-to-pin and software compatibility with the FS85 series, which may serve as a compatible alternative depending on specific power and safety requirements.