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NXP Semiconductors MFS8630BMDA0ESR2
- Part No.:
- MFS8630BMDA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8630BMDA0ESR2.pdf
- Description:
- SAFETY SYSTEM BASIS CHIP FOR DOM
- Quantity:
- Payment:
- Shipping:
Inventory:1,394
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Product details
Overview
MFS8630BMDA0ES from NXP Semiconductors is a fail-safe system basis chip (SBC) designed for automotive domain controllers requiring ASIL D compliance, integrated power management, and functional safety monitoring. It delivers 15 A VPRE buck output, 2.5 A BUCK, 1 A BOOST, dual 400 mA LDOs, ±1 % voltage monitoring across 10 inputs, and operates in 12 V battery networks up to 36 V. It serves as the central power and safety manager in radar and ADAS domain control units.
For engineers reviewing the MFS8630BMDA0ES datasheet, MFS8630BMDA0ES pinout, MFS8630BMDA0ES application, or MFS8630BMDA0ES equivalent, key selection criteria include its ASIL D qualification, OTP-configurable 36 V input capability, integrated e-fuse protection, I²C-based safety diagnostics, and compatibility with NXP's BYLink cascaded SBC architecture.
Technical Context
The MFS8630BMDA0ES implements a hierarchical safety architecture with independent analog voltage supervision circuits, logical and analog built-in self-tests (LBIST/ABIST), and dedicated failure monitoring paths for MCU (FCCU1/FCCU2) and external ICs (ERRMON). Its fail-safe state machine drives PGOOD, RSTB, and FS0B outputs with latent fault detection.
It supports leader/follower power-up sequencing via XFAILB, provides 10 ms configurable RSTB release delay for MCU compliance, and enables synchronized multi-SBC operation through FIN/FOUT clock synchronization-critical for scalable domain controller platforms with cascaded PMICs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 36 V max for 12 V battery networks; supports down to 4.5 V with VPRE = 3.3 V - enables robust operation across cold-crank and load-dump conditions. |
| VPRE Output | Configurable 3.3–5.0 V, up to 15 A DC with external FETs and e-fuse shutdown - powers high-current domain MCUs or SoCs. |
| BUCK Output | Configurable 1.0–3.3 V, up to 2.5 A DC with integrated synchronous FETs - supplies core voltage to radar processors or vision SoCs. |
| Voltage Monitoring | 10 inputs with ±1 % accuracy - monitors QM rails from non-NXP components and internal regulators for ASIL-compliant safety analysis. |
| Functional Safety | Qualified to ASIL D per ISO 26262; includes challenger watchdog, ERRMON, FCCU, PGOOD/RSTB/FS0B safety outputs - meets full diagnostic coverage requirements for domain ECU safety islands. |
| Interface | 32-bit I²C with 8-bit CRC - enables secure, error-checked configuration and real-time status reporting to host MCU. |
| Package | HPQFN48eP (48-pin wettable flank QFN with exposed pad) - optimized thermal resistance (RθJA = 23 °C/W, 2s6p) for automotive under-hood environments. |
| Ambient Temp | −40 °C to +125 °C (Grade 1) - certified for engine bay and ADAS ECU mounting locations. |
Pinout & Package
Package: HPQFN48eP - 7 mm × 7 mm, 0.4 mm pitch, thermally enhanced plastic QFN with wettable flanks and exposed thermal pad (EP) connected to GND.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSUP1 / VSUP2 | Main power supply inputs | Accept 36 V max input with mandatory external reverse-battery diode; dual inputs enable redundancy or split-bus architectures. |
| VPRE_SW / PRE_GHS / PRE_GLS | VPRE gate drive and switching nodes | Drive external high- and low-side MOSFETs; support 15 A output with programmable current limit and e-fuse behavior. |
| BUCK_SW / BUCK_FB | Integrated buck converter interface | Switching node and feedback input for 2.5 A synchronous regulator; supports dynamic voltage scaling for processor cores. |
| VMON0_I2C to VMON9_RES | Voltage monitoring inputs | 10 dedicated analog inputs (DAC- and resistor-bridge types) for ±1 % rail supervision - critical for ASIL D decomposition of safety goals. |
| FCCU1 / FCCU2 / ERRMON | Safety monitoring inputs | Accept PWM fault signals from MCU (FCCU) and error flags from external ICs (e.g., PF50); trigger fail-safe state transitions on violation. |
| PGOOD / RSTB / FS0B | Fail-safe outputs | Open-drain active-low outputs with latent fault detection; RSTB resets MCU, FS0B asserts safe state, PGOOD confirms regulation integrity. |
| XFAILB / FIN / FOUT | Power synchronization interface | Enable cascaded SBC sequencing and clock synchronization across multiple FS86 devices - foundational for BYLink platform scalability. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL D Functional Safety Architecture | Includes LBIST/ABIST, challenger watchdog, independent voltage supervisors, and safety outputs with latent fault detection - satisfies full diagnostic coverage for ASIL D domain controllers. |
| Scalable Power Management | Combines 15 A VPRE (external FET), 2.5 A BUCK (integrated), 1 A BOOST, and dual 400 mA LDOs - eliminates need for discrete PMICs in radar/ADAS ECUs. |
| 10-Channel ±1 % Voltage Monitoring | Monitors internal regulators and external QM rails (e.g., camera sensor, CAN transceiver, memory) - enables centralized safety analysis without additional supervisory ICs. |
| BYLink Synchronization | XFAILB, FIN, and FOUT pins allow cascaded FS86 devices to behave as one power domain with synchronized sequencing and fault propagation - reduces system-level timing complexity. |
| OTP-Configurable Operation | A0 OTP code enables factory-programmed feature sets (e.g., BOOST enable, VMON count, watchdog mode) - supports variant management across vehicle platforms without hardware changes. |
| Automotive EMC Compliance | Meets IEC 61967-4 (conducted emission), IEC 62132-4 (conducted immunity), FMC1278 rev. 3 (radiated emission/immunity) - validated for 12 V automotive EMI environments. |
Applications
| Radar Domain Controller | ADAS Central Gateway |
|---|---|
Use Scenario: Powers and monitors 77 GHz radar SoC, CAN FD transceivers, and flash memory in front-corner radar ECU. IC Role / Device Role / Timing Role: Central SBC providing ASIL D–compliant power sequencing, voltage supervision, and fail-safe reset coordination. Use Value: Enables single-chip safety island meeting ISO 26262 ASIL D requirements while reducing BOM count by consolidating 5+ discrete regulators and supervisors. |
Use Scenario: Manages power and safety for multi-sensor fusion gateway integrating camera, ultrasonic, and radar data streams. IC Role / Device Role / Timing Role: Fail-safe system basis chip coordinating power-up sequence across heterogeneous MCUs and enabling synchronized fault response. Use Value: Eliminates inter-PMIC timing mismatches via BYLink synchronization, ensuring deterministic reset and power-state transitions during safety events. |
| Vision Processing Unit | Electric Powertrain Control |
Use Scenario: Supplies core, I/O, and auxiliary rails to stereo camera SoC while monitoring sensor bias voltages and memory regulators. IC Role / Device Role / Timing Role: Integrated power and safety manager delivering 1.0 V @ 2.5 A core rail and 1.8 V @ 400 mA I/O rail with ±1 % supervision. Use Value: Reduces thermal footprint vs. discrete solutions and ensures vision subsystem remains within safety goal constraints during voltage transients. |
Use Scenario: Controls power delivery and safety monitoring for 12 V auxiliary systems in battery electric vehicles (BEVs), including HVAC, lighting, and charging interfaces. IC Role / Device Role / Timing Role: ASIL D–qualified SBC managing 36 V input tolerance, wake-on-CAN, and fail-safe shutdown during HV isolation faults. Use Value: Supports extended operating range (4.5–36 V) and low sleep current (10 µA typ.) - extends battery runtime and ensures reliable cold-crank startup. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe SBC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8633BMDA0ES | Includes enabled BOOST converter and ERRMON functionality; same ASIL D rating and 36 V input. | Required where external boost rail (e.g., for CAN transceiver or sensor bias) must be generated on-chip. | Select MFS8633BMDA0ES when BOOST output and ERRMON monitoring are needed; otherwise MFS8630BMDA0ES offers lower cost and identical core SBC functionality. |
| MFS8623BMDA0ES | ASIL B rated, 36 V input, same pinout and OTP structure; lacks challenger watchdog and some ABIST coverage. | Suitable for ASIL B domain modules (e.g., basic lighting control) where full ASIL D diagnostics are not mandated. | Choose MFS8623BMDA0ES only for ASIL B applications; MFS8630BMDA0ES is required for ASIL D compliance in radar/ADAS systems. |
Compared with MFS8633BMDA0ES, MFS8630BMDA0ES omits BOOST and ERRMON to reduce cost and complexity where those features are unused; compared with MFS8623BMDA0ES, it adds challenger watchdog, full ABIST, and enhanced diagnostic coverage essential for ASIL D decomposition.
Availability
MFS8630BMDA0ES is available at Aetrix Electronics and suitable for automotive radar domain controllers, ADAS central gateways, and vision processing units requiring stable component supply, long-term lifecycle support, and ASIL D–certified power management.
Supply support for MFS8630BMDA0ES 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 microcontrollers and functional safety technology.
The FS86 family-including MFS8630BMDA0ES-is engineered for automotive domain controllers in ADAS, radar, and electrification systems, delivering scalable, ASIL-certified power and safety integration to accelerate platform development.
FAQ
What is the maximum input voltage supported by the MFS8630BMDA0ES?
The MFS8630BMDA0ES supports a maximum input voltage of 36 V DC, specifically designed for 12 V battery network automotive applications. This rating applies to both VSUP1 and VSUP2 pins, with mandatory external reverse-battery protection diodes. The device maintains regulation down to 4.5 V battery voltage when VPRE is configured to 3.3 V, ensuring robust cold-crank performance in automotive environments.
Does the MFS8630BMDA0ES include an integrated boost converter?
No, the MFS8630BMDA0ES does not include an enabled BOOST converter. Per Table 1 in the FS8600_SDS, the FS8630 variant has BOOST disabled. Its BOOST_LS pin is present but unused; the device relies on external circuitry or higher-tier variants like MFS8633BMDA0ES for integrated boost functionality. This omission reduces cost and complexity where a 5–6 V auxiliary rail is not required.
How many voltage monitoring inputs does the MFS8630BMDA0ES support, and what is their accuracy?
The MFS8630BMDA0ES supports up to 10 voltage monitoring inputs (VMON0_I2C through VMON9_RES), with a target accuracy of ±1 % across the full temperature range. These inputs accommodate both DAC-based (VMON1–3_DAC) and resistor-bridge (VMON4_RINT, VMON5–9_RES) configurations, enabling supervision of internal regulators and external QM rails from non-NXP components in ASIL D–compliant systems.
Is the MFS8630BMDA0ES pin-compatible with other FS86 family members?
Yes, the MFS8630BMDA0ES uses the HPQFN48eP package and shares identical pinout with all FS86x0–FS86x3 variants in the same package grade (e.g., MFS8633BMDA0ES, MFS8623BMDA0ES). Pin functions are consistent across the family; differences are implemented via OTP configuration and silicon revision (A0 vs A1), not physical layout-enabling hardware reuse across ASIL B/D and feature-variant designs.
What safety certifications apply to the MFS8630BMDA0ES?
The MFS8630BMDA0ES is developed in compliance with ISO 26262 and qualified to ASIL D for the safety-related portions of its functionality. It meets AEC-Q100 Grade 1 requirements (−40 °C to +125 °C), includes LBIST/ABIST, challenger watchdog, and safety outputs (PGOOD, RSTB, FS0B) with latent fault detection. Certification evidence is documented in NXP's FS8600 functional safety manual and TÜV SÜD reports.
MFS8630BMDA0ESR2 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:
- 36V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 48-HVQFN (7x7)
MFS8630BMDA0ESR2 FAQ
1.How can I place an order for MFS8630BMDA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8630BMDA0ESR2 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 MFS8630BMDA0ESR2 reliable?
The price and inventory of MFS8630BMDA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8630BMDA0ESR2 is usually 5 days.
3.What payment methods are accepted for MFS8630BMDA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8630BMDA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8630BMDA0ESR2?
MFS8630BMDA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8630BMDA0ESR2 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 MFS8630BMDA0ESR2?
For technical support, including MFS8630BMDA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8630BMDA0ESR2 requirements.
6.How does Aetrix verify that MFS8630BMDA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS8630BMDA0ESR2 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 MFS8630BMDA0ESR2 meets industry standards.
7.What is the process for return or replacement of MFS8630BMDA0ESR2?
All MFS8630BMDA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS8630BMDA0ESR2, 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 MFS8630BMDA0ESR2 part is unused and in its original packaging.
Return procedure for MFS8630BMDA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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