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NXP Semiconductors MFS8601BMDA0ESR2
- Part No.:
- MFS8601BMDA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8601BMDA0ESR2.pdf
- Description:
- SAFETY SYSTEM BASIS CHIP FOR DOM
- Quantity:
- Payment:
- Shipping:
Inventory:1,827
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Product details
Overview
MFS8601BMDA0ES from NXP Semiconductors is a fail-safe system basis chip (SBC) designed for automotive domain controllers requiring ASIL D compliance, multiple regulated power rails, and integrated safety monitoring. It delivers 15 A VPRE buck output, 2.5 A BUCK, 1 A BOOST, dual 400 mA LDOs, and monitors ten voltages with ±1 % accuracy - enabling centralized power management in radar and ADAS ECUs.
For engineers reviewing the MFS8601BMDA0ES datasheet, MFS8601BMDA0ES pinout, MFS8601BMDA0ES application, or MFS8601BMDA0ES equivalent, this page provides verified functional specifications, I²C-configurable regulator settings, fail-safe output behavior, voltage supervision architecture, and ASIL D–qualified safety mechanisms for domain controller power subsystem design.
Technical Context
The MFS8601BMDA0ES implements a hierarchical power management state machine synchronized via XFAILB for cascaded SBC/PMIC systems, supporting BYLink platform scalability. Its safety architecture includes independent analog voltage supervision paths, logical and analog built-in self-tests (LBIST/ABIST), and dedicated MCU failure monitoring inputs (FCCU1/FCCU2).
It integrates a high-voltage synchronous buck controller (VPRE) with external FETs, a low-voltage integrated buck (BUCK), boost converter (BOOST), and two LDOs - all configurable via 32-bit I²C interface with 8-bit CRC. The device supports 12 V battery networks (36 V max input) and operates from −40 °C to 125 °C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 36 V max for 12 V battery network; supports down to 4.5 V battery voltage with VPRE = 3.3 V |
| VPRE Output | Configurable 3.3–5.0 V, up to 15 A DC with e-fuse protection and external FET control |
| BUCK Output | Configurable 1.0–3.3 V, up to 2.5 A DC with integrated synchronous rectification |
| BOOST Output | Configurable 5–6 V, up to 1 A DC with integrated low-side FET |
| LDO1/LDO2 | Each configurable 1.1–5.0 V, up to 400 mA DC; LDO1 includes load switch capability |
| Voltage Monitoring | 10 inputs with ±1 % accuracy for internal/external rail supervision including QM components |
| Safety Certification | Developed per ISO 26262, qualified to AEC-Q100 Grade 1 (−40 °C to 125 °C), ASIL D capable |
Pinout & Package
Package: HPQFN48eP (48-pin thermally enhanced wettable flank QFN with exposed pad).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSUP1/VSUP2 | Main power supply inputs | Accept 36 V max DC; require external reverse-battery diodes in series |
| VPRE-related pins (PRE_SW, PRE_GHS, PRE_GLS, PRE_FB, PRE_CSP, PRE_CSN, PRE_COMP, PRE_BOOT) | External buck controller interface | Enable high-current 15 A VPRE regulation using external high- and low-side MOSFETs |
| BUCK_SW / BUCK_IN / BUCK_FB | Integrated buck converter interface | Support 2.5 A output with internal switches; feedback loop enables precise 1.0–3.3 V regulation |
| LDO1 / LDO2 | Linear regulator outputs | Provide noise-sensitive 400 mA rails for MCU I/O and peripherals; LDO1 includes load switch control |
| VMON0_I2C to VMON9_RES | Voltage monitoring inputs | 10-channel analog supervision with DAC- and resistor-bridge-based sensing for ±1 % rail monitoring |
| XFAILB | Power synchronization I/O | Enables leader/follower sequencing across cascaded NXP SBCs for synchronized power-up/down |
| PGOOD / RSTB / FS0B | Fail-safe outputs | Open-drain active-low signals indicating power health, reset assertion, and safe-state activation with latent fault detection |
| FCCU1 / FCCU2 / ERRMON | MCU and external IC monitoring inputs | Enable PWM-based MCU failure detection and error flag reporting from companion ICs like PF50 |
Key Features
| Feature | Design Value |
|---|---|
| BYLink synchronization | Enables multi-SBC coordination as single power domain via XFAILB, eliminating discrete sequencing logic |
| 10-channel ±1 % voltage monitoring | Allows safety-critical supervision of both internal regulators and external QM rails (e.g., non-NXP PMICs) |
| ASIL D–ready safety architecture | Includes LBIST/ABIST, independent analog supervision paths, challenger watchdog support, and fail-safe outputs with latent fault detection |
| OTP-configurable functionality | Factory-programmed A0 OTP enables fixed feature set; custom configurations require NXP or authorized third-party programming |
| EMC-optimized switching regulators | Integrates spread spectrum, slew rate control, and manual frequency tuning to meet automotive radiated/conducted emission standards (FMC1278, IEC 61967-4) |
Applications
| Radar ECU Power Management | ADAS Domain Controller |
|---|---|
Use Scenario: Centralized power delivery and safety monitoring for 77 GHz radar processing units with multiple voltage domains. IC Role / Device Role / Timing Role: System basis chip providing VPRE (5 V @ 15 A), BUCK (1.2 V @ 2.5 A), BOOST (5.5 V @ 1 A), and LDOs while supervising 10 rails including FPGA core and RF front-end supplies. Use Value: Eliminates discrete supervisors and sequencers; ±1 % monitoring ensures radar SoC meets ASIL D voltage integrity requirements. | Use Scenario: Power and safety management for zonal or central domain controllers integrating camera, radar, and vehicle dynamics processing. IC Role / Device Role / Timing Role: Fail-safe SBC delivering regulated rails to multiple MCUs and accelerators, with synchronized startup via XFAILB and fault propagation to vehicle safety gateway. Use Value: Reduces BOM count by consolidating 5+ regulators and 3+ supervisors into one ASIL D–qualified IC with unified I²C configuration. |
| Electric Powertrain Control Unit | Commercial Vehicle 24 V Network Interface |
Use Scenario: High-reliability power subsystem for traction inverter gate driver and sensor interfaces in 400 V EV architectures. IC Role / Device Role / Timing Role: Supplies isolated gate driver bias (via BOOST), MCU core (via BUCK), and communication PHYs (via LDO2), while monitoring HV auxiliary supply rails. Use Value: e-fuse protected VPRE prevents catastrophic failure during overcurrent events; 10-channel monitoring covers critical isolation barrier supplies. | Use Scenario: Robust power management for telematics and ADAS modules in trucks and buses with 24 V battery systems. IC Role / Device Role / Timing Role: ASIL D–capable SBC operating at 36 V max input, delivering stable 3.3 V/5 V rails and wake-on-event capability via WAKE1/WAKE2 pins. Use Value: Supports extended cold-crank operation down to 4.5 V battery; ±1 % rail monitoring ensures compliance with commercial vehicle OEM voltage tolerance specs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe SBC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8603BMDA0ES | Includes integrated BUCK (same as MFS8601BMDA0ES) but adds FIN frequency sync input and enables VMON9_RES; identical package and ASIL D qualification | Required when system-level clock synchronization (e.g., with radar MMICs) or ninth external rail monitoring is needed | Select MFS8603BMDA0ES only if FIN or VMON9_RES functionality is explicitly required; otherwise MFS8601BMDA0ES offers optimal cost/performance balance |
| MFS8633BMDA0ES | Same ASIL D qualification and pinout, but configured for 12 V battery network (36 V max) with full feature set including ERRMON, FIN, and VMON9_RES | Targeted at lower-voltage automotive platforms where external IC error monitoring (ERRMON) and frequency sync are mandatory | Choose MFS8633BMDA0ES for new 12 V designs needing ERRMON-driven fault containment; MFS8601BMDA0ES remains preferred for standard 12 V domain controllers without those features |
Compared with MFS8603BMDA0ES and MFS8633BMDA0ES, the MFS8601BMDA0ES provides identical ASIL D safety architecture, thermal performance, and core regulator capability while omitting FIN and VMON9_RES to reduce complexity and cost in applications where those functions are unused.
Availability
MFS8601BMDA0ES is available at Aetrix Electronics and suitable for radar ECU development, ADAS domain controller production, and electric powertrain control unit deployment requiring stable component supply, long-term automotive lifecycle support, and ASIL D–compliant power management.
Supply support for MFS8601BMDA0ES 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 processors and power management ICs.
The FS86 family - including MFS8601BMDA0ES - was developed to address scalable, ASIL D–compliant power and safety requirements in next-generation automotive domain controllers, radar systems, and electrification ECUs.
FAQ
What is the maximum input voltage rating for MFS8601BMDA0ES?
MFS8601BMDA0ES is rated for 36 V maximum DC input voltage, optimized for 12 V battery network automotive applications. This rating applies to VSUP1 and VSUP2 pins, which require external reverse-battery protection diodes. The device supports operation down to 4.5 V battery voltage when VPRE is configured to 3.3 V, enabling robust cold-crank performance in automotive environments.
Does MFS8601BMDA0ES support ASIL D compliance?
Yes, MFS8601BMDA0ES is developed in accordance with ISO 26262 and qualified to AEC-Q100 Grade 1 (−40 °C to 125 °C), making it suitable for ASIL D automotive safety applications. Its safety features include independent voltage monitoring circuitry, logical and analog built-in self-tests (LBIST/ABIST), challenger watchdog support, and fail-safe outputs (PGOOD, RSTB, FS0B) with latent fault detection mechanisms.
How many voltage rails can MFS8601BMDA0ES monitor, and what is the accuracy?
MFS8601BMDA0ES supports monitoring of up to ten voltage rails with ±1 % accuracy. Monitoring inputs include VMON0_I2C through VMON9_RES, accommodating both DAC-based (VMON1–3_DAC) and resistor-bridge-based (VMON4_RINT, VMON5–9_RES) sensing methods. This capability enables supervision of internal regulators and external QM rails from non-NXP components within the same safety domain.
What regulator outputs does MFS8601BMDA0ES provide?
MFS8601BMDA0ES provides five regulated outputs: VPRE (3.3–5.0 V, up to 15 A via external FETs), BOOST (5–6 V, up to 1 A), BUCK (1.0–3.3 V, up to 2.5 A), LDO1 (1.5–5.0 V, up to 400 mA with load switch), and LDO2 (1.1–5.0 V, up to 400 mA). All outputs are configurable via its 32-bit I²C interface with 8-bit CRC for robust command integrity.
Is MFS8601BMDA0ES pin-compatible with other FS86 family members?
Yes, MFS8601BMDA0ES uses the HPQFN48eP package and shares identical pinout with all FS860x and FS861x/2x/3x variants in the FS86 family, including MFS8603BMDA0ES and MFS8633BMDA0ES. Functional differences arise from OTP configuration - not pin assignment - enabling hardware reuse across ASIL B/D and 12 V/24 V network variants without PCB redesign.
MFS8601BMDA0ESR2 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)
MFS8601BMDA0ESR2 FAQ
1.How can I place an order for MFS8601BMDA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8601BMDA0ESR2 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 MFS8601BMDA0ESR2 reliable?
The price and inventory of MFS8601BMDA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8601BMDA0ESR2 is usually 5 days.
3.What payment methods are accepted for MFS8601BMDA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8601BMDA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8601BMDA0ESR2?
MFS8601BMDA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8601BMDA0ESR2 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 MFS8601BMDA0ESR2?
For technical support, including MFS8601BMDA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8601BMDA0ESR2 requirements.
6.How does Aetrix verify that MFS8601BMDA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS8601BMDA0ESR2 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 MFS8601BMDA0ESR2 meets industry standards.
7.What is the process for return or replacement of MFS8601BMDA0ESR2?
All MFS8601BMDA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS8601BMDA0ESR2, 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 MFS8601BMDA0ESR2 part is unused and in its original packaging.
Return procedure for MFS8601BMDA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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