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NXP Semiconductors MFS8612BMDA0ESR2
- Part No.:
- MFS8612BMDA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8612BMDA0ESR2.pdf
- Description:
- SAFETY SYSTEM BASIS CHIP FOR DOM
- Quantity:
- Payment:
- Shipping:
Inventory:4,018
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Product details
Overview
MFS8612BMDA0ES from NXP Semiconductors is a fail-safe system basis chip (SBC) designed for automotive domain controllers requiring ASIL D functional safety compliance, 36 V max input for 12 V battery networks, integrated 2.5 A synchronous buck converter, dual 400 mA LDOs, and 10-channel ±1 % voltage monitoring. It serves as the central power management and safety supervisor in radar and ADAS control units.
For engineers reviewing the MFS8612BMDA0ES datasheet, MFS8612BMDA0ES pinout, MFS8612BMDA0ES application, or MFS8612BMDA0ES equivalent, key selection criteria include its ASIL D qualification, 12 V network compatibility, I²C-configurable power rails, fail-safe outputs (PGOOD/RSTB/FS0B), and support for cascaded BYLink synchronization with other NXP SBCs.
Technical Context
The MFS8612BMDA0ES implements a hierarchical safety architecture with independent analog voltage supervision circuitry, logical and analog built-in self-test (LBIST/ABIST), and dedicated MCU failure monitoring via dual FCCU inputs. Its fail-safe state machine drives PGOOD, RSTB, and FS0B outputs with latent fault detection.
It supports leader/follower power-up sequencing through XFAILB, provides 10 ms configurable RSTB release delay for MCU compliance, and enables synchronized operation across multiple PMICs via FIN/FOUT clock synchronization-configurable per OTP to avoid pin conflict with VMON9_RES.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 36 V DC - supports full operation across 12 V automotive battery networks including cold-crank conditions. |
| VPRE Buck Controller | Configurable 3.3–5.0 V output, up to 15 A DC - external FET solution enabling high-current pre-regulation for downstream converters. |
| BUCK Converter | 1.0–3.3 V output, 2.5 A DC - integrated synchronous buck supplying core voltage (e.g., VCORE) with tight regulation. |
| LDO1 & LDO2 | Each delivers up to 400 mA at 1.1–5.0 V - powers MCU I/O, peripherals, and CAN PHY with load-switch capability on LDO1. |
| Voltage Monitoring | 10 inputs with ±1 % accuracy - monitors internal rails and external PMIC outputs for QM component integration in ASIL decomposition. |
| Safety Certification | ISO 26262 ASIL D compliant, AEC-Q100 Grade 1 (−40 °C to 125 °C) - qualified for safety-critical domain controller applications. |
| Interface | 32-bit I²C with 8-bit CRC - enables secure configuration, real-time status reporting, and watchdog challenge communication. |
Pinout & Package
Package: HPQFN48eP (48-pin wettable flank QFN with exposed thermal pad); optimized for automotive thermal cycling and automated optical inspection (AOI).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSUP1/VSUP2 | Main power supply inputs | Accept 36 V max DC with mandatory external reverse-battery diode; dual-input redundancy improves system robustness. |
| BUCK_SW / BUCK_FB | Switching node & feedback | Enable closed-loop regulation of 2.5 A buck output; FB pin allows precise output voltage setting via resistor divider. |
| LDO1 / LDO2 | Linear regulator outputs | Provide low-noise, independently configurable 400 mA supplies for MCU I/O domains and peripheral interfaces. |
| PGOOD / RSTB / FS0B | Fail-safe outputs | Open-drain active-low signals indicating power health, asserting MCU reset, and signaling safe-state transition respectively. |
| XFAILB | Power synchronization I/O | Enables cascaded sequencing and safety coordination between multiple NXP SBCs in BYLink platform configurations. |
| FCCU1 / FCCU2 | MCU failure monitoring inputs | Monitor PWM-based fault signals from MCU to detect lockup or timing violations per ISO 26262 requirements. |
| VMON0_I2C to VMON9_RES | Voltage monitoring inputs | 10 dedicated analog inputs supporting both DAC-based (VMONx_DAC) and resistor-bridge (VMONy_RES) sensing topologies. |
| INTB / ERRMON | Interrupt & external error input | INTB signals event-driven status changes; ERRMON accepts fault flags from external ICs like PF50 for cross-component failure detection. |
Key Features
| Feature | Design Value |
|---|---|
| BYLink Synchronization | Enables multi-SBC systems to behave as one coordinated unit-reducing design complexity and ensuring deterministic power-up sequencing across domain controllers. |
| 10-Channel ±1 % Monitoring | Allows integration of non-NXP QM power rails into ASIL D architectures by verifying external supply integrity with metrology-grade accuracy. |
| OTP-Configurable FIN/FOUT | Permits clock synchronization or general-purpose digital I/O on shared pin-enabling flexible system-level timing without hardware redesign. |
| EMC-Optimized Regulators | Includes spread spectrum, slew rate control, and manual frequency tuning to meet stringent automotive radiated/conducted emission standards (FMC1278, IEC 61967-4). |
| Thermal Performance | RθJA = 23 °C/W (2s6p layout) and RθJC_BOT = 1 °C/W - ensures reliable operation under sustained 125 °C ambient with minimal board-level heatsinking. |
Applications
| Radar Control Unit | ADAS Domain Controller |
|---|---|
Use Scenario: Powers and monitors mmWave radar SoC, CAN transceiver, and sensor interface in front-corner radar module. IC Role / Device Role / Timing Role: Central SBC providing sequenced 1.2 V core, 3.3 V I/O, 5 V CAN PHY, and fail-safe reset coordination with radar processor. Use Value: Enables ASIL D-compliant radar ECU with single-chip power/safety integration, reducing BOM count and inter-IC communication latency. | Use Scenario: Manages power and safety for zonal domain controller integrating camera, ultrasonic, and vehicle dynamics processing. IC Role / Device Role / Timing Role: Hierarchical power supervisor coordinating multiple downstream PMICs via XFAILB and BYLink, while monitoring all rail voltages. Use Value: Supports scalable domain architecture with deterministic startup, fault containment, and diagnostic coverage exceeding 90 % FIT for safety mechanisms. |
| Electrified Powertrain Gateway | Commercial Vehicle ADAS Hub |
Use Scenario: Supplies and supervises gateway MCU, Ethernet switch, and LIN transceivers in 48 V mild-hybrid vehicle communication hub. IC Role / Device Role / Timing Role: Fail-safe power manager handling 12 V auxiliary network with wake-on-LIN capability and voltage monitoring of external DC-DC converters. Use Value: Delivers robust 36 V tolerant operation and 10 µA sleep current-extending battery life during extended parking modes. | Use Scenario: Controls power sequencing and safety state for multi-camera vision system in Class 8 truck forward collision warning ECU. IC Role / Device Role / Timing Role: ASIL D-certified SBC delivering 2.5 A VCORE, dual 400 mA I/O rails, and 10-rail monitoring for mono/stereo camera clusters. Use Value: Eliminates need for discrete supervisors and external voltage monitors-reducing PCB area by >35 % versus discrete solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe SBC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8613BMDA0ES | Supports 12 V network with BOOST + BUCK + dual LDOs enabled; same pinout and ASIL D rating. | Includes active BOOST converter (5–6 V, 1 A) for CAN FD transceivers; MFS8612BMDA0ES omits BOOST. | Select MFS8613BMDA0ES when 5–6 V boost rail is required; otherwise MFS8612BMDA0ES reduces cost and thermal load. |
| MFS8633BMDA0ES | Same package and ASIL D rating but configured for 12 V network with enhanced watchdog (challenger mode) and ERRMON support. | Enables external IC failure monitoring via ERRMON; MFS8612BMDA0ES disables ERRMON per OTP A0 configuration. | Choose MFS8633BMDA0ES for systems requiring cross-IC fault propagation; MFS8612BMDA0ES suits simpler safety architectures. |
Compared with MFS8612BMDA0ES, MFS8613BMDA0ES adds a boost converter for CAN FD PHY support, while MFS8633BMDA0ES enables challenger watchdog and ERRMON-making both alternatives more feature-rich but less optimized for cost-sensitive, boost-free ASIL D designs.
Availability
MFS8612BMDA0ES is available at Aetrix Electronics and suitable for radar control units, ADAS domain controllers, electrified powertrain gateways, and commercial vehicle ADAS hubs requiring stable component supply across automotive production lifecycles.
Supply support for MFS8612BMDA0ES includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with leadership in automotive functional safety and radar processing.
The FS86 family-including MFS8612BMDA0ES-is engineered for ASIL B to ASIL D domain controller power management, delivering integrated SMPS/LDO regulation, voltage monitoring, and fail-safe coordination in a single HPQFN48eP package.
FAQ
What is the maximum input voltage supported by the MFS8612BMDA0ES?
The MFS8612BMDA0ES supports a maximum input voltage of 36 V DC, specifically qualified for 12 V battery network applications including automotive cold-crank and load-dump conditions. This rating applies to both VSUP1 and VSUP2 pins, each requiring an external reverse-battery protection diode in series per the datasheet.
Does the MFS8612BMDA0ES include integrated switching regulators?
Yes, the MFS8612BMDA0ES integrates a synchronous buck converter (BUCK) capable of delivering up to 2.5 A at 1.0–3.3 V. It also includes a high-voltage buck controller (VPRE) with external FETs supporting up to 15 A, and a low-voltage boost converter (BOOST) is omitted in this variant per OTP A0 configuration.
How many voltage monitoring channels does the MFS8612BMDA0ES provide, and what is their accuracy?
The MFS8612BMDA0ES provides ten voltage monitoring inputs (VMON0_I2C through VMON9_RES) with a target accuracy of ±1 % across temperature and supply variations. These support both DAC-based and resistor-bridge sensing methods, enabling supervision of internal rails and external QM components in ASIL decomposition schemes.
Is the MFS8612BMDA0ES pin-compatible with other FS86 family devices?
Yes, the MFS8612BMDA0ES uses the HPQFN48eP package and shares identical pinout with all FS86 family members-including MFS8613BMDA0ES and MFS8633BMDA0ES-ensuring mechanical and layout compatibility across variants differentiated only by OTP configuration and enabled features.
What safety certifications apply to the MFS8612BMDA0ES?
The MFS8612BMDA0ES is developed in compliance with ISO 26262 up to ASIL D and qualified per AEC-Q100 Grade 1 (−40 °C to 125 °C). It includes LBIST, ABIST, dual FCCU inputs, dedicated ERRMON, and fail-safe outputs (PGOOD/RSTB/FS0B) with latent fault detection-all verified for automotive safety-critical use.
MFS8612BMDA0ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Camera
- Current - Supply:
- -
- Voltage - Supply:
- 60V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 48-HVQFN (7x7)
MFS8612BMDA0ESR2 FAQ
1.How can I place an order for MFS8612BMDA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8612BMDA0ESR2 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MFS8612BMDA0ESR2 reliable?
The price and inventory of MFS8612BMDA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8612BMDA0ESR2 is usually 5 days.
3.What payment methods are accepted for MFS8612BMDA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8612BMDA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8612BMDA0ESR2?
MFS8612BMDA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8612BMDA0ESR2 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MFS8612BMDA0ESR2?
For technical support, including MFS8612BMDA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8612BMDA0ESR2 requirements.
6.How does Aetrix verify that MFS8612BMDA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS8612BMDA0ESR2 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MFS8612BMDA0ESR2 meets industry standards.
7.What is the process for return or replacement of MFS8612BMDA0ESR2?
All MFS8612BMDA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS8612BMDA0ESR2, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MFS8612BMDA0ESR2 part is unused and in its original packaging.
Return procedure for MFS8612BMDA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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