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NXP Semiconductors MFS5600AMMA7ES
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- Part No.:
- MFS5600AMMA7ES
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MFS5600AMMA7ES.pdf
- Description:
- IC BUCK QM 5.0V / 3.3V 32-QFN
- Quantity:
- Payment:
- Shipping:
Inventory:187
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Product details
Overview
MFS5600AMMA7ES from NXP Semiconductors is a QM-grade automotive dual-buck power management IC integrating a 3.3 V/450 kHz internal-FET buck regulator (SW1) and a 5.0 V/450 kHz external-FET buck controller (SW2), ±2% output accuracy, AEC-Q100 Grade-1 qualification, and operation from –40 °C to 150 °C junction temperature. It serves as primary power supply for infotainment and telematics ECUs requiring functional safety–ready architecture without ASIL-level monitoring features.
For engineers reviewing the MFS5600AMMA7ES datasheet, MFS5600AMMA7ES pinout, MFS5600AMMA7ES application, or MFS5600AMMA7ES equivalent, key selection criteria include its QM safety grade, fixed 3.3 V / 5.0 V dual-output configuration, SOT617-24(SC) 32-pin QFN package, absence of voltage monitors and watchdog timer, and compatibility with automotive battery input (up to 36 V).
Technical Context
The MFS5600AMMA7ES implements two independent synchronous buck topologies: SW1 uses integrated high-side/low-side MOSFETs (RDS(on) = 105 mΩ / 46 mΩ) delivering up to 3 A continuous load, while SW2 provides gate drivers (900 mA peak) for external FETs supporting up to 15 A. Both operate at fixed 450 kHz switching frequency with PFM capability for light-load efficiency.
As a QM variant, it omits all functional safety circuitry: no windowed watchdog timer, no ERRMON/FCCU monitoring, no FS0B output, no ABIST/LBIST, and only GPO3/GPO2 (no VMON1–VMON4). Its MODE/SYNCIN pin defaults to PWM mode selection, and OTP programming defines fixed output voltages - 3.3 V on SW1 and 5.0 V on SW2 - with no runtime I²C reconfiguration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Configuration | SW1: 3.3 V fixed, internal-FET buck regulator; SW2: 5.0 V fixed, external-FET buck controller |
| Switching Frequency | Fixed 450 kHz - enables predictable EMI filtering and consistent inductor sizing |
| Output Accuracy | ±2 % - ensures stable core/logic rail compliance across automotive temperature range |
| Input Voltage Range | 4.4 V to 36 V (BIAS_IN = 0 V) - supports cold-crank and load-dump conditions in 12 V systems |
| Thermal Rating | –40 °C to 150 °C TJ - qualified for under-hood placement in engine control modules |
| Safety Grade | QM (Quality Management) - no built-in functional safety mechanisms; system-level safety responsibility remains with host MCU |
| Package | 32-pin SOT617-24(SC), 5 mm × 5 mm WF-QFN - surface-mount compatible with standard automotive reflow profiles |
Pinout & Package
Package: 32-pin SOT617-24(SC), 5 mm × 5 mm wettable flank QFN with exposed thermal pad (EPAD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 32) | Main power input | Accepts reverse-protected battery input up to 36 V; powers internal logic and bias circuits |
| SW1IN (Pins 18,19) | SW1 power input | Direct connection to battery or SW2 output; bypassed with ≥10 µF ceramic capacitor |
| SW1FB (Pin 25) | SW1 feedback node | Connected directly to 3.3 V output - internal resistor divider configured via OTP |
| SW2FB (Pin 6) | SW2 feedback node | Connected directly to 5.0 V output - internal resistor divider configured via OTP |
| EN1 (Pin 23), EN2 (Pin 22) | Regulator enable inputs | Active-high TTL-compatible inputs; default disabled (pull to ground); soft-start initiated on rising edge |
| GPO2/GPO3 (Pins 13,14) | General-purpose outputs | Configurable as open-drain or push-pull; used for sequencing, status signaling, or GPIO in QM version |
| SCL/SDA (Pins 2,3) | I²C interface | Supports OTP readback and limited register access; requires pull-up to VDDIO (1.8 V or 3.3 V) |
| EPAD | Thermal and electrical ground | Must be soldered to PCB ground plane with ≥4 thermal vias for thermal dissipation and noise reduction |
Key Features
| Feature | Design Value |
|---|---|
| Dual-output topology | Independent SW1 (3.3 V/3 A) and SW2 (5.0 V/15 A) rails enable clean separation of digital core and peripheral power domains |
| Fixed-frequency PWM + PFM | 450 kHz base switching with automatic pulse-skipping below ~10% load reduces quiescent current to 12.5 µA (SW1 active) |
| Automotive-qualified thermal design | RθJA = 29.4 °C/W (2s6p board) allows >1.5 W dissipation at 125 °C ambient without derating |
| OTP-configured outputs | Factory-programmed 3.3 V and 5.0 V outputs eliminate external resistor dividers and reduce BOM count |
| Reverse-battery robustness | Input structure withstands –14 V transients per AEC-Q100; compatible with discrete reverse-protection FETs |
Applications
| Infotainment Head Unit Power | Telematics Control Unit (TCU) |
|---|---|
Use Scenario: Powers SoC, DDR memory, display interface, and audio codec in centralized automotive infotainment systems. IC Role / Device Role / Timing Role: Primary dual-rail DC-DC source delivering regulated 3.3 V for digital logic and 5.0 V for USB/PCIe peripherals. Use Value: Fixed 450 kHz switching enables compact filter design; QM grade satisfies non-safety-critical subsystem requirements without safety overhead. | Use Scenario: Supplies LTE/V2X modem, GNSS receiver, and CAN FD transceivers in cellular-connected vehicle modules. IC Role / Device Role / Timing Role: Centralized power manager converting battery voltage to stable 3.3 V (modem core) and 5.0 V (RF front-end bias). Use Value: 36 V max input handles jump-start and load-dump events; 150 °C TJ rating supports placement near RF power amplifiers. |
| Radar Signal Processing Module | Driver Monitoring System (DMS) |
Use Scenario: Provides clean, low-noise 3.3 V for FPGA-based radar preprocessing and 5.0 V for analog front-end components. IC Role / Device Role / Timing Role: Dual-output buck regulator supplying isolated power domains to minimize coupling between digital and RF sections. Use Value: Internal-FET SW1 delivers <15 mVpp ripple at 3 A; external-FET SW2 supports high-current RF bias with minimal layout sensitivity. | Use Scenario: Powers image sensor, IR LED driver, and AI accelerator in cabin-facing driver attention monitoring systems. IC Role / Device Role / Timing Role: Compact dual-rail solution replacing discrete regulators to meet tight space constraints behind rearview mirror. Use Value: 5 mm × 5 mm QFN footprint saves >40% board area vs. two separate buck ICs; GPO2/GPO3 support LED strobe timing and sensor reset sequencing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS5600AMBAFES | ASIL B grade; includes windowed watchdog timer, ERRMON, FCCU monitoring, and 4x VMON inputs | Required for ASIL B–compliant subsystems where fault detection and response must be hardware-enforced | Select when functional safety certification (ISO 26262) is mandated for the power domain |
| MFS5600AMBAYES | ASIL B grade; 5.0 V/450 kHz SW1 and 3.3 V/450 kHz SW2 - swapped output assignment vs. MFS5600AMMA7ES | Matches designs needing 5.0 V on integrated-FET rail and 3.3 V on controller rail (e.g., legacy SoC core/I/O voltage mapping) | Select when output voltage assignment must match existing schematic or reference design |
Compared with MFS5600AMMA7ES, MFS5600AMBAFES adds hardware safety monitoring but increases cost and complexity, while MFS5600AMBAYES retains identical performance and package but reverses output assignments - both require PCB layout review if substituting.
Availability
MFS5600AMMA7ES is available at Aetrix Electronics and suitable for infotainment head units, telematics control units, radar signal processing modules, and driver monitoring systems requiring stable component supply across automotive production lifecycles.
Supply support for MFS5600AMMA7ES 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 FS5600 product line delivers integrated power management ICs for automotive ECUs, designed to simplify multi-rail power architecture while meeting AEC-Q100 and ISO 26262 readiness requirements across QM, ASIL B, and Enhanced ASIL B variants.
FAQ
What is the output voltage configuration of the MFS5600AMMA7ES?
The MFS5600AMMA7ES is factory-programmed with fixed output voltages: SW1 delivers 3.3 V using its internal FETs, and SW2 delivers 5.0 V via external FETs. These values are set in OTP during manufacturing and cannot be altered in-circuit. The SW1FB and SW2FB pins connect directly to their respective outputs, bypassing external resistor dividers - reducing component count and improving accuracy stability over temperature.
Does the MFS5600AMMA7ES include functional safety features like watchdog timers or voltage monitors?
No, the MFS5600AMMA7ES is a QM (Quality Management) grade device and excludes all functional safety circuitry. It does not implement a windowed watchdog timer, ERRMON or FCCU monitoring, FS0B fail-safe output, or any voltage monitor inputs (VMON1–VMON4). These features are present only in ASIL B and Enhanced ASIL B variants such as MFS5600AMBAFES. System-level safety must be implemented externally when using MFS5600AMMA7ES.
What package type and thermal characteristics does the MFS5600AMMA7ES use?
The MFS5600AMMA7ES uses the SOT617-24(SC) 32-pin wettable flank QFN package, measuring 5 mm × 5 mm with an exposed thermal pad (EPAD). Its thermal resistance is RθJA = 29.4 °C/W on a 2s6p test board, enabling >1.5 W power dissipation at 125 °C ambient. The device is rated for –40 °C to 150 °C junction temperature and qualified to AEC-Q100 Grade-1 standards.
Can the MFS5600AMMA7ES operate with a 5 V input supply?
No - the MFS5600AMMA7ES requires a minimum input voltage of 4.4 V (with BIAS_IN unconnected) to power up, and its recommended operating range starts at 6 V. A 5 V supply falls below the VIN rising threshold (5.7 V typical) and will not enable proper startup or regulation. It is intended for direct connection to automotive battery rails (9–16 V nominal, up to 36 V transient), not post-regulated 5 V sources.
How is the switching frequency set on the MFS5600AMMA7ES?
The MFS5600AMMA7ES operates at a fixed 450 kHz switching frequency for both SW1 and SW2 regulators. This value is programmed into OTP during manufacturing and cannot be adjusted via pins or I²C commands. Unlike other FS5600 variants offering 250 kHz–3 MHz programmability, the MFS5600AMMA7ES uses this fixed frequency to optimize EMI performance, simplify filter design, and ensure consistent timing behavior across production units.
MFS5600AMMA7ES 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)
MFS5600AMMA7ES FAQ
1.How can I place an order for MFS5600AMMA7ES through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS5600AMMA7ES 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 MFS5600AMMA7ES reliable?
The price and inventory of MFS5600AMMA7ES are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS5600AMMA7ES is usually 5 days.
3.What payment methods are accepted for MFS5600AMMA7ES?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS5600AMMA7ES transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS5600AMMA7ES?
MFS5600AMMA7ES orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS5600AMMA7ES 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 MFS5600AMMA7ES?
For technical support, including MFS5600AMMA7ES datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS5600AMMA7ES requirements.
6.How does Aetrix verify that MFS5600AMMA7ES is sourced from the original manufacturer or authorized distributors?
All MFS5600AMMA7ES 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 MFS5600AMMA7ES meets industry standards.
7.What is the process for return or replacement of MFS5600AMMA7ES?
All MFS5600AMMA7ES units undergo pre-shipment inspection (PSI). If there is an issue with MFS5600AMMA7ES, 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 MFS5600AMMA7ES part is unused and in its original packaging.
Return procedure for MFS5600AMMA7ES:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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