MC33FS8500A0KS

Power Management - Specialized Overview

The MC33FS8500A0KS is an automotive, functionally safe multi-output power supply integrated circuit from the FS85 series. It supports input voltages from 5.1 V to 60 V and operates within a temperature range of -40°C to +125°C. The device features multiple SMPS and LDOs for powering S32 microcontrollers, with a sleep current of 10 µA in shutdown mode. It includes a 32-bit SPI interface with CRC and IDC capabilities. Designed for ASIL D safety compliance, it utilizes OTP memory for programmable power sequencing and specific functions.

Power Management - Specialized Feature Summary

• Integrated safety monitoring achieving ASIL D safety integrity level
• Programmable power management via one-time programmable memory
• Secure communication interfaces including 32-bit SPI with CRC and IDC

Power Management - Specialized Applications

• ADAS Domain Controller
• Radar Systems
• Vision Systems

Power Management - Specialized Procurement Notes

Verify the complete part number including suffixes such as KS to ensure correct package and safety configuration. Confirm AEC-Q100 qualification status for automotive reliability requirements. Check for standard pre-defined OTP configurations or request custom OTP programming through official NXP sales channels if specific power sequencing is required for the target application.

Power Management - Specialized Selection Notes

Select this component for applications requiring high functional safety standards up to ASIL D. Ensure compatibility with S32 microcontrollers and verify that the HVQFN-56 package fits the design constraints. Consider the 60V input tolerance for truck and heavy-duty automotive markets. Evaluate the need for custom OTP programming against available standard configurations.

Power Management - Specialized Part Context

This part belongs to the FS8500 series, designed for scalable power and safety concepts. It is pin-to-pin and software compatible with the FS84 series, which targets ASIL B applications. The FS85 series focuses on advanced driver assistance systems and domain controllers, offering enhanced fault-safe outputs and multiple regulated power rails.

Power Management - Specialized Replacement Considerations

The FS84 series offers similar functionality but targets ASIL B safety levels. Verify if the lower safety requirement of FS84 meets system needs. Ensure software compatibility when switching between FS84 and FS85 variants due to their pin-to-pin design.