MFS2633AMDAKADR2

Power Management - Specialized Overview

The MFS2633AMDAKADR2 is an automotive Safety System Basis Chip (SBC) from the NXP FS26 series, designed for ASIL D applications. It integrates multiple switching regulators and LDOs to power microcontrollers, sensors, and peripherals. Key electrical parameters include a maximum DC input voltage of 40 V, with output currents of 1.65 mA, 400 mA, 800 mA, and 1.5 A. Output voltages range from 800 mV to 3.35 V, as well as fixed 3 V and 5 V options. The device operates within a temperature range of -40°C to +125°C and is housed in an LQFP-48 package.

Power Management - Specialized Feature Summary

• Complies with ISO 26262 standards for ASIL D safety integrity.
• Integrates multiple switching and LDO regulators for system power distribution.
• Features low-power modes with minimal standby current consumption.
• Includes on-demand potential fault monitoring and independent watchdog functions.

Power Management - Specialized Applications

• ASIL D automotive safety systems
• Microcontroller power management
• Sensor and peripheral IC powering
• System partitioning in electric vehicles

Power Management - Specialized Procurement Notes

Verify component authenticity through authorized NXP channels or certified distributors. Confirm the specific ordering suffix matches the required packaging and tape/reel specifications. Check for end-of-life status or obsolescence notices prior to final procurement decisions to ensure supply chain continuity.

Power Management - Specialized Selection Notes

Select this part for high-integrity automotive applications requiring ASIL D compliance. Ensure the design accommodates the LQFP-48 thermal requirements. Verify that the integrated regulator outputs meet the specific voltage and current needs of the target microcontroller and peripheral loads without external boosting.

Power Management - Specialized Part Context

This component belongs to the FS26 family of Safety SBCs. It shares core architectural features with other FS26 variants but is specifically configured for ASIL D safety levels. The family supports various packaging options and output configurations to suit different automotive electronic control unit designs.

Power Management - Specialized Replacement Considerations

Compatible substitutes within the FS26 family include MFS2633AMDADAD, MFS2633AMDAHAD, MFS2633AMDAJAD, MFS2633AMDALAD, and MFS2633AMDAMAD. These parts share similar functional capabilities but may differ in safety rating (e.g., ASIL B vs. ASIL D) or specific output configurations. Verify pinout and parameter compatibility before substitution.

Power Management - Specialized FAQ

What is the safety integrity level of the MFS2633AMDAKADR2?

The MFS2633AMDAKADR2 is designed to meet the ASIL D safety integrity level according to ISO 26262 standards.

Does the MFS2633AMDAKADR2 support low-power standby modes?

Yes, it features low-power standby modes with very low sleep current, typically around 25 uA when VPRE is active.