MFS2621AMDA0AD

Power Management - Specialized Overview

The MFS2621AMDA0AD is a Safety System Basis Chip (SBC) from the FS26 family, designed for automotive applications with ASIL D capability. It operates within an input voltage range of 3.2 V to 36 V and supports a maximum DC input of 40 V. The device features multiple switch-mode regulators and LDOs, delivering up to 1.6 A output current. It includes a low-power standby mode with typical currents of 25 uA and a shutdown mode with 30 uA sleep current. Operating temperatures span from -40 °C to +125 °C in an LQFP-48 package.

Power Management - Specialized Feature Summary

• Provides safety-oriented system partitioning with potential fault monitoring and ASIL D compliance.
• Integrates multiple switching regulators and LDOs for microcontroller and peripheral power supply.
• Features low-power modes including shutdown and standby with minimal current consumption.
• Includes long-time timers and configurable wake-up sources for system control.

Power Management - Specialized Applications

• Electric Power Steering (EPS)
• Automotive safety-critical systems requiring ASIL D compliance
• Microcontroller unit power management

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized NXP channels or certified distributors. Confirm the specific suffix '0AD' matches design requirements as ordering suffixes define package and tape/reel specifications. Check for end-of-life status or obsolescence notices prior to procurement. Ensure ESD handling protocols are followed due to moisture sensitivity classification. Validate that the LQFP-48 footprint aligns with PCB layout constraints.

Power Management - Specialized Selection Notes

Select this component when ASIL D functional safety is required for system partitioning. Compare against other FS26 variants based on specific regulator counts and output current needs. Consider the LQFP-48 package for thermal management and pin availability. Evaluate low-power requirements against the specified standby and shutdown currents. Ensure compatibility with the target microcontroller's voltage levels and communication interfaces.

Power Management - Specialized Part Context

Part of the FS26 family of Safety System Basis Chips, which offer scalable solutions from ASIL B to ASIL D. These chips integrate power management with safety features like watchdogs and self-test mechanisms. The family supports various automotive architectures by providing flexible configuration via OTP memory and standardized interfaces for system integration.

Power Management - Specialized Replacement Considerations

Consult official NXP documentation for qualified substitutes within the FS26 series. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Review Product Change Notifications (PCNs) for any updates affecting form, fit, or function. Ensure replacement parts meet the same ASIL D safety integrity level requirements.