MFS8621BMBA0ESR2

Power Management - Specialized Overview

The MFS8621BMBA0ESR2 is a specialized Power Management IC (PMIC) designed as a Safety System Basis Chip for domain controllers, certified to ASIL B standards. It operates within an input voltage range of 4.5 V to 36 V and integrates multiple power stages including buck, boost, and two LDO regulators. The component is housed in a 48-HVQFN package with exposed pad, suitable for surface mount applications. It supports battery network applications and meets AEC-Q100 qualification requirements for automotive environments.

Power Management - Specialized Feature Summary

• Integrated safety system basis chip architecture compliant with ASIL B functional safety standards
• Combines switching regulators (buck and boost) with low-dropout linear regulators for versatile power distribution
• Qualified for automotive use under AEC-Q100 standards with extended temperature operation capabilities

Power Management - Specialized Applications

• Domain controller power management systems
• Battery network applications in automotive electronics
• ASIL B compliant safety-critical subsystems

Power Management - Specialized Procurement Notes

Verify the complete part number including the ESR2 suffix to ensure correct reel packaging configuration. Confirm ASIL B certification requirements align with your system design specifications. Check for RoHS3 compliance status prior to integration. Ensure compatibility with the specified 48-HVQFN footprint during PCB layout planning.

Power Management - Specialized Selection Notes

Select this component when ASIL B safety integrity is required for domain controllers. The integrated buck, boost, and LDO topology reduces external component count compared to discrete solutions. Verify that the 4.5 V to 36 V input range matches the vehicle's electrical system profile. Consider the HVQFN package thermal performance for high-current applications.

Power Management - Specialized Part Context

This device belongs to NXP's FS86 series of specialized PMICs designed for automotive domain controllers. It complements other safety-focused power management solutions by providing integrated regulation and safety monitoring functions. The series targets modern vehicle architectures requiring centralized power distribution with high reliability standards.

Power Management - Specialized Replacement Considerations

Consult official substitution lists for compatible alternatives within the FS86 family. Verify pin-to-pin compatibility if replacing existing designs. Ensure equivalent ASIL B certification levels are maintained for safety-critical applications.