MC33FS8435G0ES

Power Management - Specialized Overview

The MC33FS8435G0ES is an automotive, functionally safe multi-output power supply integrated circuit from the FS8400 series. It features a DC maximum input voltage of 60V and operates within a temperature range of -40°C to +125°C. The device includes multiple switch-mode power supplies (SMPS) and linear regulators (LDOs) designed to power S32 microcontrollers. It supports a standby shutdown mode with very low sleep current of 10µA. The IC utilizes a 32-bit SPI and IDC interface with CRC for communication.

Power Management - Specialized Feature Summary

• Provides scalable power and safety concepts with independent safety monitoring devices achieving ASIL B rating.
• Features programmable power sequencing and specific functions via one-time programmable (OTP) memory.
• Includes multiple SMPS and LDO outputs optimized for powering S32 microcontrollers in ADAS sensor applications.

Power Management - Specialized Applications

• ADAS domain controllers
• Radar sensors
• Vision cameras

Power Management - Specialized Procurement Notes

Verify that the ordering suffix matches the required package variant. For new designs using HVQFN56 packages, NXP recommends using part numbers with the KS suffix (e.g., MC3xFS84xxKS). Confirm compatibility with standard pre-defined OTP configurations if custom programming is not required. Ensure the component meets AEC-Q100 qualification standards for automotive use.

Power Management - Specialized Selection Notes

Select this component for systems requiring ISO26262 compliance and ASIL B safety ratings. It is compatible with the FS85 series for pin-to-pin and software scalability. Consider the low sleep current for battery-sensitive applications. Verify OTP requirements against available standard configurations or development kits like KITFS85SKTEVM for custom programming needs.

Power Management - Specialized Part Context

The MC33FS8435G0ES belongs to the FS84 family of Safety System Basis Chips (SBC). It is developed following ISO26262 standards and is fully supported by NXP's longevity programs. The device is designed as a complete solution for safety-critical systems, offering robust fault-safe outputs and integration with S32 microcontrollers.

Power Management - Specialized Replacement Considerations

For new designs utilizing the HVQFN56 package, NXP advises transitioning to parts with the KS suffix, such as MC3xFS84xxKS. The FS84 series maintains pin-to-pin and software compatibility with the FS85 series, allowing for potential scaling across product lines.

Power Management - Specialized FAQ

What safety level does the MC33FS8435G0ES achieve?

The device features independent safety monitoring equipment that achieves an ASIL B safety rating.

How is the power configuration managed in this IC?

Power sequencing and specific functions are programmable via one-time programmable (OTP) memory, which can be customized during development or ordered with pre-defined configurations.