NXP Semiconductors MFS8412AMBP8ES
- Part No.:
- MFS8412AMBP8ES
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8412AMBP8ES.pdf
- Description:
- SAFETY POWER MANAGEMENT IC, QFN4
- Quantity:
- Payment:

- Shipping:

Inventory:1,242
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Product details
Overview
MFS8412AMBP8ES from NXP Semiconductors is a functionally safe, ASIL B-compliant system basis chip (SBC) designed for radar applications with NXP S32R294 MCU. It integrates a 3.3 V VPRE synchronous buck controller (10 A peak), 0.825 V BUCK1 core regulator (4.5 A), 2.5 V BUCK3 (4.5 A), 5.0 V BOOST, and dual LDOs (1.8 V/400 mA and 3.3 V/400 mA), all with fail-safe outputs and SPI control.
For engineers reviewing the MFS8412AMBP8ES datasheet, MFS8412AMBP8ES pinout, MFS8412AMBP8ES application, or MFS8412AMBP8ES equivalent, this page delivers verified technical context, safety-critical power sequencing details, OTP-configured voltage supervision thresholds (e.g., VCOREMON UVTH = 95.5 %), and radar-specific timing behavior including 2.22 MHz switching and 32 ms VPRE turn-off delay.
Technical Context
The MFS8412AMBP8ES implements two independent state machines: a main power management state machine handling wake-up, standby, and regulator sequencing, and a fail-safe state machine managing ABIST, FCCU monitoring, and deep fail-safe auto-retry (x15). Its safety architecture supports ISO 26262 ASIL B partitioning with dedicated VCOREMON, VDDIOMON, VMON1–VMON4 supervision channels.
OTP configuration defines critical radar-system behaviors: VPRE operates in APS mode with 50 mV/µs slope compensation and 900 mA high-side slew rate; BUCK1 starts in Slot 3 with 0.825 V output and 7.81 mV/µs DVS; and fail-safe logic asserts FS0B on fault with 25 µs OV_DGLT and 25 µs UV_DGLT for VCOREMON and VDDIOMON.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | VSUP: 4.9 V to 40 V - supports automotive battery transients and cold-crank operation |
| VPRE Output | 3.3 V, APS mode, 50 mV/µs slope comp - enables adaptive PWM for radar EMI reduction |
| BUCK1 Output | 0.825 V / 4.5 A - supplies S32R294 MCU core with SVS capability and Slot 3 sequencing |
| BUCK3 Output | 2.5 V / 4.5 A - powers radar signal chain peripherals with configurable soft-start |
| LDO Outputs | LDO1: 1.8 V / 400 mA; LDO2: 3.3 V / 400 mA - supply MCU I/O and ADC with independent TSD shutdown |
| Switching Frequency | 2.22 MHz - enables compact passive filtering for radar RF-sensitive layouts |
| Safety Compliance | ISO 26262 ASIL B, AEC-Q100 Grade 1 - qualified for radar domain controller deployment |
Pinout & Package
HVQFN48, plastic thermally enhanced thin quad flat package, no lead, wettable flanks (SOT619-27); exposed pad (EP) connected to GND for thermal and electrical integrity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| WAKE1 / WAKE2 | Wake-up input | Asynchronous low-power entry triggers from radar sensor or MCU; requires external pulldown if unused |
| VCOREMON | Core voltage monitor input | Direct connection to BUCK1 output for precise 0.825 V supervision with 95.5 % UVTH |
| FS0B | Fail-safe output | Active-low open-drain signal asserting hardware-level fault condition to radar MCU |
| PGOOD / RSTB | Power good / reset output | Active-low signals with mandatory VDDIO pullup; indicate stable regulation and initiate MCU reset |
| SPI (MOSI/MISO/SCLK/CSB) | Configuration interface | 32-bit CRC-protected serial bus for runtime OTP parameter adjustment and status readback |
| PSYNC | Power synchronization I/O | Enables synchronized switching across multiple MFS8412AMBP8ES devices in multi-radar systems |
Key Features
| Feature | Design Value |
|---|---|
| Fail-safe state machine | Dedicated ABIST1/ABIST2 execution, deep fail-safe auto-retry (x15), and FLT_RECOVERY support for radar fault containment |
| Radar-optimized EMC | 2.22 MHz fixed-frequency operation, phase-shifting (delay 3), and spread-spectrum-ready FSYNC for radar band compliance |
| ASIL B power sequencing | Eight-slot programmable sequencing with BUCK1 start in Slot 3 and LDO1/LDO2 in Slot 2 for S32R294 boot order |
| Multi-rail voltage supervision | Five independent monitors (VCOREMON, VDDIOMON, VMON1–VMON4) with OTP-configurable OV/UV thresholds and 25 µs response |
| Thermal robustness | 150 °C max junction temperature and 10 °C/W RθJB on 2s6p board - sustains continuous radar processing under hood conditions |
Applications
| Radar Sensor Power Management | Radar Domain Controller Supply |
|---|---|
Use Scenario: Powers 77 GHz corner radar modules with integrated MMICs and DSPs requiring tightly regulated, low-noise rails. IC Role / Device Role / Timing Role: Primary SBC delivering VPRE (3.3 V), BUCK1 (0.825 V), BUCK3 (2.5 V), and dual LDOs with fail-safe assertion on rail fault. Use Value: Enables deterministic radar startup via Slot 3 BUCK1 sequencing and meets ASIL B requirements for functional safety certification. | Use Scenario: Supplies NXP S32R294 radar domain controller in ADAS central compute units with multi-rail coordination. IC Role / Device Role / Timing Role: System basis chip providing core (0.825 V), I/O (1.8 V/3.3 V), and auxiliary (5.0 V BOOST) rails with synchronized PSYNC for multi-chip timing alignment. Use Value: Reduces system-level EMI through 2.22 MHz switching and phase-shifted operation across parallel MFS8412AMBP8ES devices. |
| Vision-Radar Fusion Unit | Automotive Radar Gateway |
Use Scenario: Powers fused camera-radar perception units where timing coherence between imaging and RF subsystems is critical. IC Role / Device Role / Timing Role: Dual-role SBC supplying radar (BUCK1/BUCK3) and vision (LDO1/LDO2) rails while sharing FSYNC clock for cross-domain synchronization. Use Value: Eliminates need for external clock generators by using integrated CLK_MGT and FOUT/FIN for vision-radar time alignment. | Use Scenario: Serves as power hub in radar gateway ECUs connecting multiple radar sensors to vehicle backbone networks (CAN FD, Ethernet). IC Role / Device Role / Timing Role: Centralized power manager with PSYNC I/O enabling coordinated wake-up and power-down of distributed radar nodes. Use Value: Supports low-quiescent-current OFF mode (10 µA typ) and wake-on-radar-event functionality for always-on radar monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar system basis chip applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8412AMBP7ES | Same package and pinout; differs in BUCK1 output (1.25 V), VPRE slope compensation (140 mV/µs), and power sequencing slot (Slot 1) | Targeted for S32R274 MCU instead of S32R294; lacks 0.825 V core rail required by S32R294 | Select MFS8412AMBP7ES only for S32R274-based radar designs; not suitable for S32R294 due to VCOREMON mismatch |
| MFS8416AMBP3ES | Superset device with identical VPRE (3.3 V), BUCK1 (1.25 V), and LDO configurations but adds VMON3/VMON4 monitoring and PGOOD/RSTB assertion | Designed for general radar platforms without S32R294-specific sequencing; includes additional fail-safe outputs not used in S32R294 reference design | MFS8416AMBP3ES offers broader monitoring but requires revalidation of Slot 1 sequencing and 1.25 V core rail for S32R294 compatibility |
Compared with MFS8412AMBP7ES and MFS8416AMBP3ES, the MFS8412AMBP8ES uniquely provides the 0.825 V BUCK1 output with Slot 3 sequencing and 95.5 % VCOREMON UV threshold required by NXP S32R294, making it the only OTP-flavor qualified for that specific radar MCU platform.
Availability
MFS8412AMBP8ES is available at Aetrix Electronics and suitable for automotive radar sensor modules, ADAS domain controllers, and vision-radar fusion units requiring stable component supply, ASIL B qualification, and NXP S32R294 MCU compatibility.
Supply support for MFS8412AMBP8ES 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.
The FS84 QFN48EP product line delivers functionally safe, multi-rail power management ICs optimized for radar, vision, and ADAS domain controllers - with MFS8412AMBP8ES specifically engineered for NXP's S32R294 radar MCU ecosystem.
FAQ
What is the primary application target for the MFS8412AMBP8ES?
The MFS8412AMBP8ES is specifically targeted for radar systems using the NXP S32R294 MCU. Its OTP configuration delivers the exact 0.825 V BUCK1 output, Slot 3 power sequencing, and VCOREMON UV threshold (95.5 %) required by the S32R294 reference design. This makes MFS8412AMBP8ES distinct from other FS84 variants like MFS8412AMBP7ES (for S32R274) or MFS8416AMBP3ES (general radar superset).
Does the MFS8412AMBP8ES support fail-safe operation in ASIL B systems?
Yes, the MFS8412AMBP8ES is certified to ISO 26262 ASIL B and qualified per AEC-Q100 Grade 1. It implements a dedicated fail-safe state machine with ABIST1/ABIST2, deep fail-safe auto-retry (x15), and five independent voltage monitors (VCOREMON, VDDIOMON, VMON1–VMON4) with 25 µs OV/UV response. The FS0B fail-safe output asserts on detected faults, enabling hardware-level system shutdown in radar safety architectures.
What are the key power rail specifications of the MFS8412AMBP8ES?
The MFS8412AMBP8ES provides six regulated outputs: VPRE (3.3 V, 10 A peak), BUCK1 (0.825 V, 4.5 A), BUCK3 (2.5 V, 4.5 A), BOOST (5.0 V), LDO1 (1.8 V, 400 mA), and LDO2 (3.3 V, 400 mA). All regulators feature OTP-configurable soft-start, thermal shutdown, and independent power sequencing slots - with BUCK1 assigned to Slot 3 and LDO1/LDO2 to Slot 2 for S32R294 boot compliance.
How does the MFS8412AMBP8ES handle electromagnetic compatibility in radar systems?
The MFS8412AMBP8ES supports radar-grade EMC through 2.22 MHz fixed-frequency switching, phase-shifting (delay 3), and FSYNC input/output for frequency synchronization across multiple devices. Its VPRE operates in APS mode with 50 mV/µs slope compensation and 900 mA high-side slew rate, reducing spectral peaks. Integrated spread-spectrum readiness and slew-rate control further suppress conducted and radiated emissions in sensitive 77 GHz radar bands.
Is the MFS8412AMBP8ES pin-compatible with other FS84 QFN48EP family members?
Yes, all FS84 QFN48EP devices, including MFS8412AMBP8ES, are pin-to-pin compatible and software compatible. The HVQFN48 package (SOT619-27) has identical pinout across the family. However, OTP programming defines functional differences - such as BUCK1 voltage, sequencing slot, and supervision thresholds - meaning hardware replacement requires validation of OTP-configured parameters for the target application.
MFS8412AMBP8ES Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Applications:
- System Basis Chip
- Current - Supply:
- 15mA
- 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)
MFS8412AMBP8ES FAQ
1.How can I place an order for MFS8412AMBP8ES through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8412AMBP8ES 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 MFS8412AMBP8ES reliable?
The price and inventory of MFS8412AMBP8ES are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8412AMBP8ES is usually 5 days.
3.What payment methods are accepted for MFS8412AMBP8ES?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8412AMBP8ES transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8412AMBP8ES?
MFS8412AMBP8ES orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8412AMBP8ES 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 MFS8412AMBP8ES?
For technical support, including MFS8412AMBP8ES datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8412AMBP8ES requirements.
6.How does Aetrix verify that MFS8412AMBP8ES is sourced from the original manufacturer or authorized distributors?
All MFS8412AMBP8ES 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 MFS8412AMBP8ES meets industry standards.
7.What is the process for return or replacement of MFS8412AMBP8ES?
All MFS8412AMBP8ES units undergo pre-shipment inspection (PSI). If there is an issue with MFS8412AMBP8ES, 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 MFS8412AMBP8ES part is unused and in its original packaging.
Return procedure for MFS8412AMBP8ES:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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