MC33FS8425G0KSR2

Power Management - Specialized Overview

The MC33FS8425G0KSR2 is an automotive safety power management IC from the FS8400 series, designed for ADAS sensor applications. It operates within a DC input voltage range of 5.1 V to 60 V and features a maximum input current of 1.5 A. The device supports a working supply voltage of 2.7 V to 40 V with a quiescent current of 15 mA. It is housed in a HVQFN-56 package and functions as a fail-safe system compliant with ISO26262 standards. The component achieves ASIL B safety ratings through independent safety monitoring capabilities.

Power Management - Specialized Feature Summary

• Integrates multiple switch-mode and linear regulators to power S32 microcontrollers and peripheral devices
• Features a 32-bit SPI interface with CRC and IDC for secure communication
• Supports programmable power sequencing and specific functions via one-time programmable memory
• Includes a dedicated shutdown mode with ultra-low sleep current consumption

Power Management - Specialized Applications

• ADAS domain controllers
• Automotive radar systems
• Automotive vision and camera modules

Power Management - Specialized Procurement Notes

Verify that the ordering suffix matches the required packaging format, as KS and KSR2 variants may differ in reel or tray specifications. Confirm the revision level against the latest NXP datasheet to ensure compatibility with existing OTP configurations. Validate RoHS compliance status and check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement orders.

Power Management - Specialized Selection Notes

Select this component when designing for ASIL B functional safety requirements in automotive environments. Ensure the input voltage range aligns with the vehicle's battery architecture, considering the 60 V maximum limit. Evaluate the need for custom OTP programming versus standard pre-defined configurations based on the target MCU integration. Verify thermal performance within the HVQFN-56 package for the intended operating temperature range of -40 C to +125 C.

Power Management - Specialized Part Context

This part belongs to the FS8400 family of safety system basis chips developed by NXP Semiconductors. The series is optimized for advanced driver assistance systems and is compatible with S32 microcontrollers. The FS84 and FS85 families offer pin-to-pin and software compatibility, allowing for scalable power and safety solutions across different automotive application tiers while maintaining consistent development tools and interfaces.

Power Management - Specialized Replacement Considerations

Consult official NXP documentation for qualified substitutes within the FS8400 series. Cross-referencing requires verifying identical pinouts, safety integrity levels, and OTP compatibility. Generic PMIC replacements are not suitable due to strict functional safety certification requirements.