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NXP Semiconductors MFS5600AMEA0ESR2
- Part No.:
- MFS5600AMEA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MFS5600AMEA0ESR2.pdf
- Description:
- DUAL 36V AUTOMOTIVE DC-DC CONTRO
- Quantity:
- Payment:
- Shipping:
Inventory:4,883
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Product details
Overview
MFS5600AMEA0ES from NXP Semiconductors is an automotive-grade dual-output power management IC integrating a 3 A internal-FET buck regulator (SW1) and a high-current external-FET buck controller (SW2), with ±2 % output accuracy, 250 kHz–3 MHz switching frequency, and functional safety features including windowed watchdog timer, four voltage monitors, ABIST/LBIST, and FS0B fail-safe output. It serves as the primary power sequencer and safety monitor in ASIL B–enhanced ADAS domain controllers.
For engineers reviewing the MFS5600AMEA0ES datasheet, MFS5600AMEA0ES pinout, MFS5600AMEA0ES application, or MFS5600AMEA0ES equivalent, this page delivers verified specifications, validated pin functions for Enhanced ASIL B operation, confirmed thermal and electrical performance across –40 °C to 150 °C junction temperature, and real-world safety feature implementation details required for ISO 26262-compliant system design.
Technical Context
The MFS5600AMEA0ES implements two independent DC-DC regulation paths: SW1 uses peak-current-mode control with integrated high- and low-side MOSFETs (RDS(on) = 105 mΩ / 46 mΩ), while SW2 employs external FET gate drive (900 mA) with differential current sensing (SW2CSP/SW2CSN) and programmable compensation (SW2COMP). Both regulators support PFM/PWM mode selection via MODE/SYNCIN or OTP.
Functional safety architecture includes a Challenger Watchdog Timer, ERRMON/FCCU monitoring interface, four configurable voltage monitor inputs (VMON1–VMON4), ABIST and LBIST self-test engines, and dual PGOOD outputs with fault latching. All safety logic operates independently of the main regulator control path and is qualified to Enhanced ASIL B per ISO 26262.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.4 V to 36 V (with BIAS_IN = 0 V); supports load-dump and double-battery jump-start events up to 36 V without damage |
| SW1 Output Capability | 3 A continuous load, ±2 % accuracy (PWM), 1.8 V–8.0 V programmable via OTP; internal FETs enable compact layout and reduced BOM count |
| SW2 Output Capability | Up to 15 A load, 1.8 V–7.2 V output; external FET control enables scalable power delivery and thermal distribution |
| Switching Frequency | 250 kHz–3 MHz (OTP-selectable); higher frequencies allow smaller magnetics; 450 kHz default balances efficiency and EMI |
| Voltage Monitors | 4 independent VMON inputs (VMON1–VMON4), each with ±0.5 % accuracy and 5 mV hysteresis; used for rail supervision and fault detection |
| Safety Features | Challenger Watchdog Timer, ABIST + LBIST, ERRMON/FCCU monitoring, FS0B open-drain fail-safe output, PGOOD1/PGOOD2 with fault latching |
| Operating Temperature | –40 °C to 150 °C junction temperature; AEC-Q100 Grade-1 qualified for under-hood automotive deployment |
Pinout & Package
The MFS5600AMEA0ES is housed in a 32-pin, 5 mm × 5 mm WF-QFN package (SOT617-24(SC)) with exposed thermal pad (EPAD) requiring multiple thermal vias to ground for reliable 150 °C operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VDDIO | I²C I/O supply | Must be tied to 1.8 V or 3.3 V; powers SCL/SDA buffers; bypass with 0.1 µF capacitor |
| 6 SW2FB | SW2 feedback input | Connects to resistor divider for output voltage setting; supports ≤5.5 V internally, >5.5 V externally |
| 13 VMON4/GPIO3 | Voltage monitor input / GPIO | Configurable via OTP as fourth voltage monitor input; default function is GPIO3 in QM version only |
| 24 FS0B | Fail-safe output | Open-drain output asserted during safety faults; active-low; requires external pull-up; not available in QM versions |
| 25 SW1FB | SW1 feedback input | Connects to output or resistor divider; supports internal/external regulation; 1 V reference for external divider |
| 32 VIN | Main supply input | Direct connection to reverse-protected battery; powers internal circuitry; absolute max 40 V |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced ASIL B Safety Architecture | Includes Challenger Watchdog Timer, LBIST, ERRMON/FCCU monitoring, and FS0B fail-safe output-enables system-level ASIL D compliance with additional mechanisms |
| Dual Regulator Flexibility | SW1 (3 A internal FET) and SW2 (up to 15 A external FET) support independent voltage rails, staggered sequencing, and redundancy-critical power domains |
| Programmable Voltage Monitoring | Four VMON inputs with user-configurable thresholds and hysteresis; monitored voltages feed PGOOD1/PGOOD2 and safety state machine |
| Ultra-Low Quiescent Current | 7.5 µA shutdown current and ≤16 µA ULPM mode (SW1+SW2 in PFM) enable always-on functionality in battery-sensitive applications |
| OTP-Based Configuration | All key parameters-including output voltage, soft-start time, current limit, PFM on-time, and mode selection-are set at manufacturing via one-time-programmable memory |
Applications
| ADAS Domain Controller Power Sequencing | Radar Sensor Module Supply |
|---|---|
Use Scenario: Powering multi-rail SoC (e.g., NXP S32G/S32Z) with precise startup timing, rail monitoring, and fail-safe response. IC Role / Device Role / Timing Role: Primary PMIC providing SW1 (1.8 V core), SW2 (5 V I/O), and VMON supervision for all critical rails. Use Value: Enables deterministic boot sequence, detects undervoltage/overvoltage faults within 40 µs, and asserts FS0B to halt SoC execution on safety violation. |
Use Scenario: Supplying RF transceiver, DSP, and analog front-end in 77 GHz radar modules with strict EMI and thermal constraints. IC Role / Device Role / Timing Role: Dual-regulator source delivering 3.3 V (SW1) and 5.0 V (SW2) with spread-spectrum clocking and 450 kHz fixed-frequency operation. Use Value: Achieves <15 mVpp output ripple at full load, meets CISPR-25 Class 5 radiated emissions, and sustains 150 °C junction temperature in sealed enclosures. |
| Automotive Telematics Gateway | Vision Processing Unit (VPU) Power Management |
Use Scenario: Managing power for LTE/C-V2X modems, GNSS receivers, and microcontrollers in connected vehicle gateways. IC Role / Device Role / Timing Role: Centralized power hub with SW1 powering MCU (3.3 V), SW2 powering modem (5.0 V), and VMON1–VMON4 supervising auxiliary supplies. Use Value: Reduces external component count by 30% vs. discrete solutions; PGOOD1/PGOOD2 enable hardware-based reset coordination across subsystems. |
Use Scenario: Delivering stable, low-noise power to high-performance vision SoCs (e.g., NXP i.MX 8MP) in driver-monitoring and surround-view systems. IC Role / Device Role / Timing Role: High-accuracy regulator (±2 %) with programmable soft-start (337–4000 µs) and thermal shutdown protecting image sensor interfaces. Use Value: Prevents image corruption during power-up; maintains <±10 mV regulation under 2 A transient load steps; supports functional safety diagnostics via I²C CRC. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4333-AEC1 | Single 3 A buck regulator; no integrated watchdog, voltage monitors, or FS0B; AEC-Q100 Grade-1 only | Lacks functional safety features; suitable for QM-tier infotainment peripherals but not ASIL B–critical rails | Select when safety certification is unnecessary and cost/BOM simplicity outweighs diagnostic capability |
| TPS65381A-Q1 | Dual buck (2.5 A + 1.5 A) with ASIL B safety manager, but no external-FET controller; lower max load than SW2 | Supports basic watchdog and voltage monitoring, but lacks Challenger Watchdog, LBIST, and 15 A scalability | Choose for mid-tier ADAS ECUs where SW2 current demand stays below 10 A and OTP configurability is less critical |
Compared with MPQ4333-AEC1 and TPS65381A-Q1, the MFS5600AMEA0ES uniquely combines 3 A integrated regulation, 15 A external-FET control, Challenger Watchdog, LBIST, and four VMON inputs in a single AEC-Q100 Grade-1 package-making it the only option for Enhanced ASIL B domain controllers requiring both high current and comprehensive safety diagnostics.
Availability
MFS5600AMEA0ES is available at Aetrix Electronics and suitable for automotive ADAS domain controllers, radar sensor modules, telematics gateways, and vision processing units requiring stable component supply across extended temperature and safety-critical operating conditions.
Supply support for MFS5600AMEA0ES 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 leader focused on secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in functional safety and automotive-grade power management.
The FS5600 product line was designed specifically for ASIL B–enhanced automotive domain controllers, integrating safety-critical monitoring, dual-regulator flexibility, and OTP-based configuration to simplify ISO 26262-compliant system development.
FAQ
What safety certifications does the MFS5600AMEA0ES hold?
The MFS5600AMEA0ES is AEC-Q100 Grade-1 qualified and developed to meet Enhanced ASIL B requirements per ISO 26262. It includes Challenger Watchdog Timer, ABIST/LBIST, ERRMON/FCCU monitoring, and FS0B fail-safe output-features validated for use in ASIL D systems when combined with additional safety mechanisms at the system level. The MFS5600AMEA0ES itself is not certified to ASIL D, but its safety architecture enables compliant system integration.
How is the output voltage configured on the MFS5600AMEA0ES?
The MFS5600AMEA0ES uses one-time-programmable (OTP) memory to configure SW1 and SW2 output voltages. SW1 supports 1.8 V–8.0 V in 50 mV steps via OTP_SW1_VOLT[7:0]; SW2 voltage is set by external resistor divider on SW2FB. OTP programming is performed by NXP or authorized partners-customers may emulate OTP settings during development using NXP's GUI and evaluation board, but production programming is restricted to NXP or approved third parties.
Does the MFS5600AMEA0ES support external clock synchronization?
Yes-the MODE/SYNCIN pin on the MFS5600AMEA0ES is configurable via OTP to operate as either a clock synchronization input (SYNCIN) or a PWM/PFM mode select input (MODE). When configured as SYNCIN, it accepts external clocks from 250 kHz to 3 MHz to synchronize switching frequency across multiple MFS5600AMEA0ES devices, reducing beat frequencies and improving EMI performance in multi-rail systems.
What is the thermal performance of the MFS5600AMEA0ES in a typical automotive PCB layout?
In a standard 2s6p JEDEC test board (2 signal layers, 6 power/ground planes), the MFS5600AMEA0ES achieves a junction-to-ambient thermal resistance (RθJA) of 29.4 °C/W. With proper thermal vias under the EPAD and 2 oz copper on inner layers, it sustains 150 °C junction temperature at full 3 A SW1 + 10 A SW2 load in ambient temperatures up to 105 °C-meeting AEC-Q100 Grade-1 requirements without forced airflow.
Can the MFS5600AMEA0ES monitor external power rails beyond its own outputs?
Yes-the MFS5600AMEA0ES provides four dedicated voltage monitor inputs (VMON1–VMON4) that accept external rail voltages from –0.3 V to 10 V. Each monitor supports programmable overvoltage/undervoltage thresholds and 5 mV hysteresis. Monitored rails can trigger PGOOD1/PGOOD2 assertion, initiate safety state transitions, or log faults via I²C-enabling supervision of MCU cores, CAN transceivers, or sensor supplies independent of SW1/SW2 outputs.
MFS5600AMEA0ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- 140µA
- Voltage - Supply:
- 2.7V ~ 36V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 32-HVQFN (5x5)
MFS5600AMEA0ESR2 FAQ
1.How can I place an order for MFS5600AMEA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS5600AMEA0ESR2 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 MFS5600AMEA0ESR2 reliable?
The price and inventory of MFS5600AMEA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS5600AMEA0ESR2 is usually 5 days.
3.What payment methods are accepted for MFS5600AMEA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS5600AMEA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS5600AMEA0ESR2?
MFS5600AMEA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS5600AMEA0ESR2 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 MFS5600AMEA0ESR2?
For technical support, including MFS5600AMEA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS5600AMEA0ESR2 requirements.
6.How does Aetrix verify that MFS5600AMEA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS5600AMEA0ESR2 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 MFS5600AMEA0ESR2 meets industry standards.
7.What is the process for return or replacement of MFS5600AMEA0ESR2?
All MFS5600AMEA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS5600AMEA0ESR2, 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 MFS5600AMEA0ESR2 part is unused and in its original packaging.
Return procedure for MFS5600AMEA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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