MFS2400AVMA0ESR2

Power Management - Specialized Overview

The MFS2400AVMA0ESR2 is an automotive safety System Basis Chip (SBC) from the FS2400 family, designed for secure car access applications. It integrates a battery-connected switched-mode regulator and a linear regulator to supply microcontrollers and communication devices. The device supports ultra-wide band (UWB), near-field communication (NFC), and Bluetooth Low Energy (BLE) interfaces while maintaining flexibility for other small applications requiring low power and CAN FD communication. It complies with ISO 26262:2018 standards and fits Automotive Safety Integrity Level (ASIL) B requirements.

Power Management - Specialized Feature Summary

• Integrates a high-performance switched-mode regulator capable of operating in pulse frequency modulation (PFM) and forced pulse width modulation (FPWM) modes for optimized noise management.
• Includes a battery-connected linear regulator to supply microcontrollers, communication devices, and other system components.
• Features enhanced safety mechanisms with fail-safe outputs, supporting full safe system design compliance.
• Supports flexible physical interfaces and integrated system-level features tailored for low-power and noise-sensitive automotive applications.

Power Management - Specialized Applications

• Secure car access systems utilizing ultra-wide band (UWB)
• Near-field communication (NFC) based entry solutions
• Bluetooth Low Energy (BLE) connectivity modules
• Low-power automotive electronic systems requiring CAN FD communication

Power Management - Specialized Procurement Notes

Verify the complete part number against official NXP documentation to ensure correct suffix alignment for temperature range, package type, and tape-and-reel specifications. Confirm ASIL B compliance requirements match your system architecture. Check for any specific ordering suffixes that may indicate variant differences in pinout or regulatory certifications before finalizing procurement.

Power Management - Specialized Selection Notes

Select this component when designing automotive access systems requiring integrated power regulation and safety compliance. It is suitable for applications needing UWB, NFC, or BLE connectivity alongside CAN FD. Consider its ASIL B capability and low-power characteristics for noise-sensitive environments. Ensure the integrated regulators meet the power budget for the target microcontroller and peripheral loads.

Power Management - Specialized Part Context

This part belongs to the FS2400 family of automotive safety System Basis Chips. The family is engineered to support secure car access and low-power applications with ASIL B integrity. It combines power management with communication interfaces, offering a compact solution for modern vehicle entry systems and related electronic control units requiring robust safety features.

Power Management - Specialized Replacement Considerations

Consult NXP's official cross-reference guides for verified substitutes within the FS2400 family or compatible SBC series. Ensure any replacement maintains ASIL B compliance and matches the required interface configurations for UWB, NFC, or BLE integration without altering the system's safety architecture.

Power Management - Specialized FAQ

What safety integrity level does the FS2400 family support?

The FS2400 family is designed to fit Automotive Safety Integrity Level (ASIL) B requirements and complies with the ISO 26262:2018 standard.

How does the FS2400 manage noise in sensitive applications?

It integrates a switched-mode regulator that can operate in PFM or FPWM modes, with mode changes controllable via wake pins to optimize noise management.