MFS2621AMBA0ADR2

Power Management - Specialized Overview

The MFS2621AMBA0ADR2 is a specialized automotive power management integrated circuit (PMIC) belonging to the FS26 family, manufactured by NXP Semiconductors. It is designed for high-voltage applications with an input voltage range of 2.5 V to 6.35 V and supports a maximum output current of 800 mA. The device operates within a temperature range of -40°C to +125°C and is housed in an LQFP-48 surface-mount package. Key electrical specifications include a maximum output voltage of 3.35 V, an operating supply voltage of 12 V, and a working supply current of 15 mA. It features humidity sensitivity and is supplied in a reel packaging format.

Power Management - Specialized Feature Summary

• Integrates multiple switching regulators and LDOs to power microcontrollers, sensors, and communication interfaces.
• Provides system control and diagnostic functions including analog multiplexers, GPIOs, and configurable wake-up events via I/O or SPI.
• Supports functional safety compliance up to ASIL D levels with fault-safe outputs and on-demand potential failure monitoring.
• Features low-power modes with minimal sleep currents and a long-time timer for system shutdown and wake-up control.

Power Management - Specialized Applications

• Powering microcontrollers and sensor nodes in automotive systems.
• System-level power management for safety-oriented electronic control units.
• Communication interface power supply in ASIL B/D compliant architectures.

Power Management - Specialized Procurement Notes

Verify the specific suffix ADR2 against the official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with the FS26 family design-in requirements. Confirm that the intended application meets the specified input voltage limits and thermal dissipation needs for the LQFP-48 package. Check for any recent product change notices regarding manufacturing location or material composition.

Power Management - Specialized Selection Notes

Select this component when designing automotive systems requiring ISO 26262 compliance up to ASIL D. It is suitable for applications needing integrated power regulation alongside system diagnostics and low-power standby modes. Consider the LQFP-48 package constraints for PCB layout and thermal management. Verify that the 800 mA output capability aligns with the load requirements of the target microcontroller and peripherals.

Power Management - Specialized Part Context

This part belongs to the NXP FS26 Safety System Basis Chip (SBC) family, which combines power management with functional safety features. The FS26 series is designed to simplify system architecture by integrating buck converters, LDOs, and safety mechanisms into a single solution. It targets advanced automotive applications where reliability and safety certification are critical.

Power Management - Specialized Replacement Considerations

Consult the official FS26 family comparison table for verified pin-to-pin or functionally equivalent alternatives. Substitutes may include other variants within the FS26 series such as MFS2613 or MFS2633, depending on specific safety level and output configuration requirements. Always validate electrical parameters and safety certifications before replacement.