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NXP Semiconductors MFS5600AMEA0ES
- Part No.:
- MFS5600AMEA0ES
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MFS5600AMEA0ES.pdf
- Description:
- DUAL 36V AUTOMOTIVE DC-DC CONTRO
- Quantity:
- Payment:
- Shipping:
Inventory:490
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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 independent voltage monitors, Challenger watchdog timer, LBIST/ABIST, and I²C interface. It operates from 4.4 V to 36 V input, delivers ±2 % output accuracy, supports 250 kHz–3 MHz switching, and is qualified for ASIL B functional safety in automotive power domains.
For engineers reviewing the MFS5600AMEA0ES datasheet, MFS5600AMEA0ES pinout, MFS5600AMEA0ES application, or MFS5600AMEA0ES equivalent, this device serves as a safety-certified, dual-rail DC-DC solution for infotainment, ADAS, radar, and telematics systems requiring robust voltage monitoring, fail-safe outputs (FS0B, PGOOD), and thermal resilience up to 150 °C junction temperature.
Technical Context
The MFS5600AMEA0ES implements two independent regulation paths: SW1 uses peak-current-mode control with integrated high- and low-side FETs (RDS(on) = 105 mΩ / 46 mΩ), while SW2 employs external MOSFETs with differential current sensing (SW2CSP/SW2CSN) and gate drivers supporting up to 15 A load. Both regulators support programmable soft-start, PFM/PWM mode selection via MODE/SYNCIN or OTP, and frequency tuning from 250 kHz to 3 MHz.
Functional safety is implemented through four configurable voltage monitors (VMON1–VMON4), a windowed Challenger watchdog timer, ERRMON/FCCU monitoring, ABIST and LBIST self-test logic, and dedicated fail-safe output FS0B. The device uses I²C (SCL/SDA) for configuration and status reporting, with GPIOs (GPIO1/VDDOTP, VMON3/GPIO2, VMON4/GPIO3) supporting system sequencing and OTP development.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.4 V to 36 V - supports full automotive battery range including cold-crank (4.4 V min with no BIAS_IN) and load-dump transients. |
| SW1 Output Capability | Up to 3 A continuous load, ±2 % accuracy - enables stable 1.8 V–8.0 V core/rail supplies without external FETs. |
| SW2 Output Capability | Up to 15 A load with external FETs - provides scalable high-power rail for processors, sensors, or actuators. |
| Switching Frequency | 250 kHz to 3 MHz - allows EMI optimization and compact magnetics via OTP or external sync. |
| Safety Certification | Enhanced ASIL B, AEC-Q100 Grade-1 - includes Challenger watchdog, LBIST, 4x VMON, FS0B, and ERRMON/FCCU monitoring. |
| Operating Temperature | –40 °C to 150 °C TJ - rated for under-hood and safety-critical ECU environments. |
| Package | 32-pin 5 mm × 5 mm WF-QFN (SOT617-24(SC)) - thermally enhanced with EPAD grounding for high-power dissipation. |
Pinout & Package
The MFS5600AMEA0ES is housed in a 32-lead wettable flank QFN (SOT617-24(SC)), 5 mm × 5 mm, 0.5 mm pitch, with exposed thermal pad (EPAD) requiring multiple vias to ground for thermal performance and solder joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 VDDIO | I²C I/O supply | Must be connected to 1.8 V or 3.3 V with 0.1 µF bypass; powers SCL/SDA buffers and GPIO logic levels. |
| 2 SCL / 3 SDA | I²C interface | Enable register-level configuration, fault reporting, and dynamic mode control; require pull-up to VDDIO. |
| 4 GPIO1/VDDOTP | Multi-function pin | Configurable as general-purpose I/O or VDDOTP supply during engineering OTP programming; not used in production. |
| 13 VMON4/GPIO3 / 14 VMON3/GPIO2 | Voltage monitor or GPIO | Selectable via OTP as analog inputs for external rail monitoring (VMON) or digital outputs (GPO); critical for ASIL B safety path. |
| 15 VMON2 / 16 VMON1 | Dedicated voltage monitors | Fixed-function analog inputs for independent monitoring of critical rails; not available in QM version but fully enabled in MFS5600AMEA0ES. |
| 24 FS0B | Fail-safe open-drain output | Asserts low on safety violation (watchdog timeout, voltage fault, LBIST failure); requires external pull-up for system-level fail-safe response. |
| 26 PGOOD1 / 27 PGOOD2 | Power-good indicators | Open-drain outputs signaling valid SW1/SW2 regulation; used for power sequencing and downstream enable control. |
| 32 VIN | Main supply input | Connects directly to reverse-protected battery; powers internal bias circuitry and feeds SW1/SW2 input paths. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated SW1 buck regulator | 3 A output with internal 105 mΩ/46 mΩ FETs eliminates external power stage, reducing BOM count and PCB area. |
| SW2 buck controller | Supports up to 15 A with differential current sense (SW2CSP/SW2CSN) and 900 mA gate drive - enables high-efficiency, high-current designs. |
| Challenger watchdog timer | Windowed architecture with challenge-response protocol - provides higher diagnostic coverage than simple timeout for ASIL D system compliance. |
| Four voltage monitors (VMON1–VMON4) | Independent ±0.5 % accuracy inputs with programmable thresholds - enables concurrent monitoring of MCU core, I/O, sensor, and CAN rails. |
| LBIST + ABIST | Logic and analog built-in self-test at startup and runtime - detects latent faults in safety-critical logic blocks per ISO 26262 requirements. |
| I²C with CRC | Configurable registers, real-time status reporting, and error detection - ensures integrity of communication in noisy automotive environments. |
Applications
| Infotainment Power Management | Radar System Power Supply |
|---|---|
|
Use Scenario: Powering SoC, display, audio codec, and connectivity modules in automotive head units and digital clusters. IC Role / Device Role / Timing Role: Dual-rail PMIC delivering 1.8 V/3.3 V for SoC I/O and 5 V/12 V for display backlight or RF front-end. Use Value: Integrated SW1/SW2 eliminates discrete regulators; voltage monitors ensure clean power to sensitive RF sections; FS0B triggers safe shutdown on rail fault. |
Use Scenario: Providing stable, low-noise power to 77 GHz radar transceivers and DSPs in ADAS front-end modules. IC Role / Device Role / Timing Role: High-accuracy buck regulator (SW1) for core voltage and buck controller (SW2) for high-current RF supply, synchronized to minimize EMI. Use Value: ±2 % output accuracy maintains ADC reference stability; PFM mode reduces idle current; thermal shutdown protects against enclosure overheating. |
| Telematics Control Unit (TCU) | ADAS Domain Controller |
|
Use Scenario: Powering LTE/C-V2X modems, GNSS receivers, and microcontrollers in vehicle-to-cloud communication gateways. IC Role / Device Role / Timing Role: Primary power source with VMON monitoring of modem VBAT, PGOOD sequencing of cellular baseband, and FS0B assertion on comms failure. Use Value: Enhanced ASIL B certification satisfies functional safety requirements for cellular link integrity; I²C enables remote diagnostics and firmware updates. |
Use Scenario: Centralized power delivery for multi-sensor fusion ECUs combining camera, radar, and ultrasonic processing. IC Role / Device Role / Timing Role: Safety-managed dual-regulator supplying 1.0 V CPU core, 1.8 V memory, and 3.3 V sensor interfaces with concurrent voltage monitoring. Use Value: LBIST/ABIST validates logic/analog integrity at boot; Challenger watchdog prevents silent failures; 150 °C rating supports high-density packaging. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive dual-buck power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS5600AMBA0ES | Lacks Challenger watchdog, LBIST, FS0B, and VMON2/VMON1; only basic windowed watchdog and ABIST. | Suitable for ASIL B (non-enhanced) systems where full diagnostic coverage is not required for ASIL D decomposition. | Select when cost sensitivity outweighs need for Challenger watchdog or LBIST - retains same pinout and SW1/SW2 functionality. |
| MPQ4333-AEC1 | Single 3.5 A buck regulator with AEC-Q100 Grade 1; no second controller, no voltage monitors, no watchdog, no I²C. | Applicable only for single-rail, non-safety-critical applications such as body electronics or lighting. | Choose only for simplified, lower-cost power stages without functional safety or multi-rail coordination needs. |
Compared with MFS5600AMBA0ES, MFS5600AMEA0ES adds Challenger watchdog, LBIST, FS0B, and two extra VMON inputs - enabling higher diagnostic coverage for ASIL D decomposition. Versus MPQ4333-AEC1, it provides dual regulation, safety features, and monitoring essential for domain controllers, not just basic point-of-load conversion.
Availability
MFS5600AMEA0ES is available at Aetrix Electronics and suitable for automotive infotainment, ADAS domain controllers, and radar power systems requiring stable component supply, long-term lifecycle assurance, and ASIL B-compliant sourcing.
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–D automotive power domains, integrating safety-critical monitoring, redundancy, and fail-safe outputs to simplify compliance in complex ECUs like zonal controllers and sensor fusion units.
FAQ
What safety certifications does the MFS5600AMEA0ES hold?
The MFS5600AMEA0ES is certified to AEC-Q100 Grade 1 and supports Enhanced ASIL B functional safety per ISO 26262. It includes Challenger watchdog timer, LBIST, ABIST, four voltage monitors (VMON1–VMON4), FS0B fail-safe output, and ERRMON/FCCU monitoring - enabling system-level ASIL D decomposition when combined with appropriate external mechanisms.
How does the MFS5600AMEA0ES differ from the MFS5600AMBA0ES variant?
The MFS5600AMEA0ES adds Challenger watchdog timer, Logic BIST (LBIST), FS0B output, and two additional voltage monitor inputs (VMON1 and VMON2) compared to the MFS5600AMBA0ES. These enhancements enable higher diagnostic coverage for ASIL D system compliance, while retaining identical pinout, SW1/SW2 electrical specs, and package.
Can the MFS5600AMEA0ES operate without an external bias supply (BIAS_IN)?
Yes - the MFS5600AMEA0ES operates without BIAS_IN by using VIN to power internal circuitry. When BIAS_IN is unconnected, minimum VIN is 4.4 V for reliable startup and operation. With BIAS_IN = 5 V applied, the minimum VIN drops to 2.7 V, supporting extended low-voltage operation during cold-crank conditions.
What is the role of the FS0B pin on the MFS5600AMEA0ES?
The FS0B pin on the MFS5600AMEA0ES is an open-drain fail-safe output that asserts low during critical safety violations - including Challenger watchdog timeout, LBIST/ABIST failure, voltage monitor out-of-window events, or internal logic errors. It must be pulled up externally and used to trigger system-level shutdown or safe state entry.
Does the MFS5600AMEA0ES support both PFM and PWM modes?
Yes - the MFS5600AMEA0ES supports both PFM and PWM operation for SW1 and SW2. Mode selection is configurable via OTP (SW1_MODE[1:0]) or dynamically via the MODE/SYNCIN pin. PFM reduces quiescent current at light loads, while PWM ensures fixed-frequency operation for EMI control - both modes maintain ±2 % output accuracy.
MFS5600AMEA0ES Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 32-VFQFN Exposed Pad
- Packaging:
- Tray
- 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)
MFS5600AMEA0ES FAQ
1.How can I place an order for MFS5600AMEA0ES through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS5600AMEA0ES 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 MFS5600AMEA0ES reliable?
The price and inventory of MFS5600AMEA0ES are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS5600AMEA0ES is usually 5 days.
3.What payment methods are accepted for MFS5600AMEA0ES?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS5600AMEA0ES transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS5600AMEA0ES?
MFS5600AMEA0ES orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS5600AMEA0ES 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 MFS5600AMEA0ES?
For technical support, including MFS5600AMEA0ES datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS5600AMEA0ES requirements.
6.How does Aetrix verify that MFS5600AMEA0ES is sourced from the original manufacturer or authorized distributors?
All MFS5600AMEA0ES 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 MFS5600AMEA0ES meets industry standards.
7.What is the process for return or replacement of MFS5600AMEA0ES?
All MFS5600AMEA0ES units undergo pre-shipment inspection (PSI). If there is an issue with MFS5600AMEA0ES, 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 MFS5600AMEA0ES part is unused and in its original packaging.
Return procedure for MFS5600AMEA0ES:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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