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NXP Semiconductors MFS5600AVMA0EPR2
- Part No.:
- MFS5600AVMA0EPR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 32-VFQFN Exposed Pad
- Datasheet:
-
MFS5600AVMA0EPR2.pdf
- Description:
- DUAL INDUSTRIAL DC-DC CONTROLLER
- Quantity:
- Payment:
- Shipping:
Inventory:1,791
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Product details
Overview
MFS5600AVMA0EPR2 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 programmable switching frequency, and functional safety features including windowed watchdog timer, dual PGOOD outputs, and FS0B fail-safe signal. It serves as primary power supply for ADAS domain controllers requiring ASIL B compliance and thermal robustness up to 150 °C junction temperature.
For engineers reviewing the MFS5600AVMA0EPR2 datasheet, MFS5600AVMA0EPR2 pinout, MFS5600AVMA0EPR2 application, or MFS5600AVMA0EPR2 equivalent, key selection criteria include its dual-regulator architecture with independent voltage monitoring (VMON1–VMON4), I²C-configurable OTP settings for output voltage and soft-start timing, and QFN32 5 mm × 5 mm package qualified to AEC-Q100 Grade-1.
Technical Context
The MFS5600AVMA0EPR2 implements two independent buck topologies: SW1 uses peak-current-mode control with integrated high- and low-side MOSFETs (RDS(on) = 105 mΩ / 46 mΩ), while SW2 employs external FETs driven by dedicated gate outputs (SW2GHS/SW2GLS) and current-sense inputs (SW2CSP/SW2CSN). Both regulators support PFM/PWM mode selection via MODE/SYNCIN or OTP configuration.
Functional safety is implemented through hardware-enforced mechanisms: windowed watchdog timer with Challenger mode, ABIST/LBIST self-test logic, ERRMON/FCCU interface monitoring, and four configurable voltage monitors with 5 mV hysteresis and 40 µs debounce. The device operates across –40 °C to 150 °C junction temperature with input voltage range of 4.4 V to 36 V when BIAS_IN is unconnected.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.4 V to 36 V (BIAS_IN = 0 V); supports load-dump and jump-start conditions up to 36 V without damage |
| SW1 Output Capability | 3 A continuous load; ±2 % output accuracy over temperature and line/load; 1.8 V–8.0 V programmable via OTP |
| SW2 Controller Drive | 900 mA gate drive; supports up to 15 A external-FET solution; feedback via SW2FB with external resistor divider |
| Switching Frequency | 250 kHz to 3 MHz (OTP-selectable); enables optimization of efficiency vs. EMI in space-constrained automotive modules |
| Functional Safety | ASIL B compliant; includes windowed watchdog, ABIST, ERRMON/FCCU monitoring, and FS0B fail-safe output |
| Thermal Rating | Rated for TJ = –40 °C to +150 °C; RθJA = 29.4 °C/W (2s6p board); EPAD grounding required for thermal performance |
| Package | 32-pin WF-QFN, 5 mm × 5 mm, 0.5 mm pitch; AEC-Q100 Grade-1 qualified; exposed thermal pad (EPAD) |
Pinout & Package
Package: 32-lead wettable flank QFN (WF-QFN), 5 mm × 5 mm, 0.5 mm pitch, EPAD thermal pad. Compliant with IPC-7351B standard (SOT617-24(SC)).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (Pin 32) | Main power input | Connects directly to reverse-protected automotive battery (up to 36 V); powers internal circuitry and VCC regulator |
| SW1IN (Pins 18,19) | SW1 power input | Bypassed with ≥10 µF capacitor; supplies integrated FETs; may be sourced from VIN or SW2OUT |
| SW1FB (Pin 25) | SW1 output voltage feedback | Connects to output via internal/external resistor divider; sets regulated voltage (1.8–8.0 V) per OTP_SW1_VOLT[7:0] |
| EN1 (Pin 23) | SW1 enable input | Active-high TTL-compatible input; rising threshold = 1.4 V; controls soft-start initiation and regulation enable |
| PGOOD1/PGOOD2 (Pins 26,27) | Power-good status outputs | Open-drain signals indicating valid SW1/SW2 output voltage; monitored by system MCU for sequencing and fault detection |
| FS0B (Pin 24) | Fail-safe output | Open-drain output asserted during safety violation (e.g., watchdog timeout, VMON fault); only available in ASIL B/Enhanced versions |
| VMON1–VMON4 (Pins 15,16,13,14) | Voltage monitor inputs | Configurable analog inputs for monitoring rail voltages; support hysteresis and debounce; multiplexed with GPIO2/GPIO3 in QM version |
| I²C Interface (Pins 1,2,3) | Configuration & telemetry bus | VDDIO-referenced SCL/SDA (1.8 V/3.3 V); supports CRC-protected register access for OTP programming and real-time monitoring |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent buck topology | SW1 (3 A internal-FET) and SW2 (15 A external-FET) operate simultaneously with separate feedback, enable, and protection circuits |
| Programmable OTP configuration | Output voltage, soft-start time, PFM on-time, minimum on-time, and operating mode stored in one-time-programmable memory |
| Functional safety hardware blocks | Windowed watchdog timer, ABIST/LBIST logic, ERRMON/FCCU interface monitoring, and fail-safe FS0B output |
| High-efficiency PFM operation | Ultra-low quiescent current (12.5 µA typical with SW1 active, BIAS_IN = 5 V) extends battery life in always-on automotive systems |
| Robust automotive qualification | AEC-Q100 Grade-1, –40 °C to +150 °C TJ, ±8 kV IEC61000-4-2 ESD rating on global pins, and mechanical shock sensitivity mitigated by QFN construction |
Applications
| ADAS Domain Controller Power | Radar Signal Processing Unit |
|---|---|
|
Use Scenario: Powers SoC, memory, and sensor interfaces in front-camera or LIDAR domain controllers requiring dual-rail sequencing and safety-critical supervision. IC Role / Device Role / Timing Role: Primary power source delivering 1.8 V (core) and 5.0 V (I/O) rails with synchronized PGOOD assertion and FS0B fail-safe signaling. Use Value: Enables ASIL B-compliant power architecture with built-in voltage monitoring, watchdog, and self-test-reducing need for external safety monitors. |
Use Scenario: Supplies RF transceiver, DSP, and ADC in 77 GHz radar modules where thermal stability and EMI control are critical. IC Role / Device Role / Timing Role: Provides low-noise 3.3 V analog rail and 1.2 V digital rail via SW1/SW2 with spread-spectrum clocking and programmable frequency tuning. Use Value: Achieves <2 % output accuracy across –40 °C to +125 °C ambient, minimizing calibration drift in millimeter-wave signal chains. |
| Infotainment Head Unit Core Supply | Telematics Control Unit (TCU) |
|
Use Scenario: Delivers stable 5.0 V and 3.3 V rails to application processor, display driver, and audio codec in automotive infotainment systems. IC Role / Device Role / Timing Role: Dual-buck regulator with I²C-configurable soft-start and PFM/PWM mode switching to balance efficiency and transient response during boot and runtime. Use Value: Reduces bill-of-materials by integrating two high-current regulators, voltage monitors, and watchdog into single QFN32 package. |
Use Scenario: Powers cellular modem, GNSS receiver, and CAN transceivers in vehicle-to-cloud communication modules operating under wide input voltage transients. IC Role / Device Role / Timing Role: Handles 6–36 V automotive input with load-dump tolerance; provides sequenced 3.3 V and 1.8 V outputs with PGOOD-based startup coordination. Use Value: Maintains operation during cold-crank (down to 4.4 V VIN) and load-dump (up to 36 V) events without latch-up or reset propagation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive dual-buck regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPQ4332-AEC1 | Single 3.5 A buck regulator; no integrated watchdog, voltage monitors, or FS0B output; requires external safety logic | Lacks functional safety hardware; suitable for QM-tier infotainment but not ASIL B domain controllers | Select when cost-sensitive QM applications require only one high-current rail and external safety is acceptable |
| TPS65381A-Q1 | Dual buck (2.5 A + 1.5 A) with integrated watchdog and voltage monitors; lower max input (28 V) and no external-FET controller channel | Cannot support >15 A loads or 36 V load-dump; limited to mid-power ADAS ECUs without high-current actuators | Select when system needs compact dual-rail safety support but does not require SW2-level scalability or 36 V operation |
Compared with MPQ4332-AEC1 and TPS65381A-Q1, the MFS5600AVMA0EPR2 uniquely combines ASIL B safety hardware, 36 V input tolerance, and scalable 3 A + 15 A dual-output capability-enabling consolidated power architecture in high-integrity ADAS and radar systems without external safety co-processors.
Availability
MFS5600AVMA0EPR2 is available at Aetrix Electronics and suitable for ADAS domain controllers, radar signal processing units, infotainment head units, and telematics control units requiring stable component supply under AEC-Q100 Grade-1 conditions and functional safety certification.
Supply support for MFS5600AVMA0EPR2 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 specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and automotive power management.
The FS5600 product line was designed specifically for ASIL B–compliant automotive power architectures, integrating dual buck regulation, voltage monitoring, watchdog, and self-test logic into a single QFN package to simplify safety-certified ECU design.
FAQ
What safety certifications does the MFS5600AVMA0EPR2 hold?
The MFS5600AVMA0EPR2 is AEC-Q100 Grade-1 qualified and developed to meet ASIL B requirements per ISO 26262. It includes hardware safety features such as windowed watchdog timer, ABIST/LBIST, ERRMON/FCCU monitoring, and FS0B fail-safe output. While it supports system-level ASIL D implementation (e.g., with Challenger Watchdog), full ASIL D compliance requires additional external safety mechanisms beyond the MFS5600AVMA0EPR2 itself.
How is the output voltage configured on the MFS5600AVMA0EPR2?
The MFS5600AVMA0EPR2 supports both internal and external resistor divider configurations for SW1 and SW2 outputs. SW1 voltage is set via OTP_SW1_VOLT[7:0] bits (e.g., 00101110 = 3.3 V), with SW1FB connected directly to output for internal division or to a resistor divider for external setting. SW2 uses external resistors on SW2FB, with OTP_SW2_VOLT[7:0] selecting nominal output (e.g., 5.0 V or 3.3 V) and fine-tuning via divider ratio.
Does the MFS5600AVMA0EPR2 support synchronization to an external clock?
Yes, the MFS5600AVMA0EPR2 supports external clock synchronization via the MODE/SYNCIN pin (Pin 31). When OTP_MODE_SYNCINB = 0, this pin functions as SYNCIN and accepts external clocks from 250 kHz to 3 MHz to align switching edges across multiple regulators-reducing system-level EMI. The pin can alternatively be configured as a MODE input to toggle between PFM and PWM operation.
What is the thermal performance of the MFS5600AVMA0EPR2 in a typical automotive PCB layout?
In a 2s6p board layout (2 signal + 6 power layers), the MFS5600AVMA0EPR2 achieves RθJA = 29.4 °C/W. With proper EPAD grounding using ≥9 thermal vias and 1 oz copper, it sustains 3 A SW1 + 10 A SW2 continuous operation at 85 °C ambient without exceeding 150 °C junction temperature. Derating is required above 105 °C ambient for full-load conditions.
Can the MFS5600AVMA0EPR2 operate during cold-crank conditions?
Yes, the MFS5600AVMA0EPR2 operates down to 4.4 V input when BIAS_IN is unconnected, meeting automotive cold-crank requirements. Its ULPM mode draws only 12.5 µA (typical) with SW1 active, enabling reliable startup and low-power retention in always-on gateway and telematics modules even below 6 V battery voltage.
MFS5600AVMA0EPR2 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)
MFS5600AVMA0EPR2 FAQ
1.How can I place an order for MFS5600AVMA0EPR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS5600AVMA0EPR2 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 MFS5600AVMA0EPR2 reliable?
The price and inventory of MFS5600AVMA0EPR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS5600AVMA0EPR2 is usually 5 days.
3.What payment methods are accepted for MFS5600AVMA0EPR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS5600AVMA0EPR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS5600AVMA0EPR2?
MFS5600AVMA0EPR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS5600AVMA0EPR2 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 MFS5600AVMA0EPR2?
For technical support, including MFS5600AVMA0EPR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS5600AVMA0EPR2 requirements.
6.How does Aetrix verify that MFS5600AVMA0EPR2 is sourced from the original manufacturer or authorized distributors?
All MFS5600AVMA0EPR2 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 MFS5600AVMA0EPR2 meets industry standards.
7.What is the process for return or replacement of MFS5600AVMA0EPR2?
All MFS5600AVMA0EPR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS5600AVMA0EPR2, 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 MFS5600AVMA0EPR2 part is unused and in its original packaging.
Return procedure for MFS5600AVMA0EPR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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