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NXP Semiconductors MPF5032BMBA0ESR2
- Part No.:
- MPF5032BMBA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 40-PowerVFQFN
- Datasheet:
-
MPF5032BMBA0ESR2.pdf
- Description:
- PMIC 2 BUCKS 2 LDO A1 DIE
- Quantity:
- Payment:
- Shipping:
Inventory:4,080
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Product details
Overview
MPF5032BMBA0ESR2 from NXP Semiconductors is a fail-safe system basis chip (SBC) and power management IC designed specifically for S32Z2/E2 automotive processors. It integrates two configurable synchronous buck converters (BUCK1/2 up to 3.5 A each, multiphase capable to 7.0 A), one 2.5 A buck (BUCK3), and two 400 mA LDOs, all operating from a 3.3–5.25 V input. Its ASIL B safety rating on watchdog monitoring (SG2) and ASIL D on rail supervision supports EV propulsion domain controllers.
For engineers reviewing the MPF5032BMBA0ESR2 datasheet, MPF5032BMBA0ESR2 pinout, MPF5032BMBA0ESR2 application, or MPF5032BMBA0ESR2 equivalent, key selection considerations include its OTP-configurable startup sequence, I²C-adjustable regulation, fail-safe outputs (PGOOD, RSTB, FS0B), and QFN40 wettable flank package optimized for automotive thermal and EMI requirements.
Technical Context
The MPF5032BMBA0ESR2 implements a dual-domain power management architecture with independent main and fail-safe domains, including dedicated GNDFS and GND pins, separate voltage supervision paths, and logical/analog built-in self-test (LBIST/ABIST). Its XFAILB pin enables precise power-up/down synchronization with external PMICs or front-end supplies like FS86.
It features an integrated analog multiplexer (AMUX) for system-wide voltage and temperature monitoring across six inputs with ±1.0% accuracy, plus spread-spectrum and manual frequency tuning for EMC optimization compliant with IEC 61967-4 (conducted emission) and IEC 62132-4 (conducted immunity).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 3.3 V to 5.25 V DC - supports direct interface with NXP FS86/FS6x front-end supplies in automotive drive train systems. |
| BUCK1/2 Output | 0.7 V–1.5 V, up to 3.5 A each - configurable for core voltage rails of S32Z2/E2 processors; multiphase operation enables 7.0 A total for high-current applications. |
| BUCK3 Output | 1.0 V–4.1 V, up to 2.5 A - supplies auxiliary processor domains or peripheral subsystems with flexible voltage programming. |
| LDO1/LDO2 Output | 1.1 V–4.1 V, up to 400 mA each - powers MCU I/O banks and system peripherals with low-noise, adjustable regulation. |
| Safety Certification | ASIL D on UV/OV monitoring (SG1) for 0.8 V/1.1 V/1.8 V/3.3 V rails; ASIL B on watchdog function (SG2) - meets ISO 26262 requirements for chassis-integrated and EV propulsion control units. |
| Interface | 32-bit I²C with 8-bit CRC - enables post-startup dynamic reconfiguration of regulator settings, sequencing, and fault response without hardware changes. |
| Package | QFN40, 6 mm × 6 mm × 0.85 mm, 0.5 mm pitch, wettable flanks - provides enhanced thermal dissipation (RθJA = 30.1 °C/W) and solder-joint inspection capability for automotive production. |
Pinout & Package
MPF5032BMBA0ESR2 uses a thermally enhanced HVQFN40eP package (SOT618-18(D)) with exposed pad (EP) for grounding and thermal conduction. The 6 × 6 mm body features wettable flanks for automated optical inspection and robust solder joint reliability in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BUCK1_FB / BUCK2_FB / BUCK3_FB | Voltage feedback inputs | Enable closed-loop regulation of respective buck outputs; support external resistor-divider configuration for precise output voltage setting. |
| PGOOD / RSTB / FS0B | Failsafe digital outputs | Open-drain active-low signals indicating power health, reset state, and fail-safe status - directly interface with S32Z2/E2 safety monitors and external fail-safe circuitry. |
| XFAILB | Power synchronization I/O | Coordinates power-up/down sequencing with companion PMICs (e.g., FS86) to ensure deterministic system-level timing and avoid race conditions. |
| SDA / SCL | I²C communication interface | Supports full 32-bit command register access with CRC protection for runtime configuration, telemetry readback, and fault logging. |
| VMON_EXT / VMON0–VMON5 | External voltage monitoring inputs | Provide six dedicated analog inputs (±1.0% accuracy) for real-time monitoring of critical supply rails beyond internal regulators. |
Key Features
| Feature | Design Value |
|---|---|
| OTP-based startup configuration | Eliminates external resistors and sequencing logic by storing boot voltage, timing, and enable order in on-chip One-Time Programmable memory. |
| Multiphase BUCK1/2 operation | Enables 7.0 A combined current delivery using interleaved switching - reduces input/output ripple and eases thermal design for high-power core rails. |
| Dual-domain supervision | Independent main and fail-safe domains with dedicated ground (GND/GNDFS), voltage monitors, and safety outputs ensure functional isolation per ISO 26262 partitioning requirements. |
| EMI-optimized switching | Spread-spectrum modulation and manual frequency tuning reduce peak conducted emissions - simplifies compliance with automotive EMC standards without external filters. |
| Fail-safe state machine | Hardware-enforced response to faults (UV/OV, overtemperature, watchdog timeout) with configurable latency and output assertion - operates independently of firmware execution. |
Applications
| EV Propulsion Domain Controller | Chassis-Integrated System |
|---|---|
Use Scenario: Centralized power management for traction inverter control units requiring ASIL-D compliant voltage supervision and synchronized startup with front-end supply. IC Role / Device Role / Timing Role: Fail-safe SBC providing regulated core (0.825 V), I/O (1.1 V), and analog (3.3 V) rails while enforcing power-up sequence and monitoring rail integrity. Use Value: Enables single-chip compliance with ASIL D safety goals for UV/OV on all critical S32Z2/E2 power rails, reducing BOM count and validation effort. | Use Scenario: Powering steer-by-wire or brake-by-wire ECUs where deterministic power sequencing and latent fault detection are mandatory. IC Role / Device Role / Timing Role: System basis chip delivering sequenced, monitored power to MCU and sensors while asserting FS0B to activate external fail-safe circuitry upon detected anomaly. Use Value: Provides hardware-level safety outputs (PGOOD, RSTB, FS0B) with latent fault detection - eliminates need for external safety monitor ICs. |
| S32Z2 Companion Chip | Automotive Gateway Module |
Use Scenario: Dedicated power manager co-located with NXP S32Z2 processor on same PCB to minimize trace inductance and improve transient response. IC Role / Device Role / Timing Role: Integrated PMIC supplying all processor domains (core, I/O, analog) with I²C-adjustable voltages and programmable 10 ms RSTB delay for MCU POR compliance. Use Value: Reduces external component count via OTP-stored configuration and supports dynamic voltage scaling during different ECU operational states. | Use Scenario: Power management in zonal gateway modules consolidating CAN FD, Ethernet, and LIN interfaces with mixed-voltage peripherals. IC Role / Device Role / Timing Role: Multi-rail regulator delivering 1.8 V for transceivers, 3.3 V for microcontrollers, and 5.0 V analog supply (S32E2 only) with centralized monitoring via AMUX. Use Value: Analog multiplexer enables simultaneous monitoring of six external rails - simplifies diagnostics and improves system-level power health visibility. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPF5030BMBA0ESR2 | ASIL D on both SG1 (rail supervision) and SG2 (watchdog); includes BUCK1/2 multiphase capability and LDO2. | Required where full ASIL D coverage on watchdog monitoring is mandated, or where LDO2 is needed for dual I/O rail support. | Select MPF5030BMBA0ESR2 when safety architecture requires ASIL D on both voltage supervision and watchdog functions. |
| MPF5032BMDA0ESR2 | ASIL D on SG2 (watchdog); retains same BUCK/LDO topology but adds full ASIL D watchdog coverage. | Suitable for systems needing highest watchdog integrity assurance without changing power architecture. | Choose MPF5032BMDA0ESR2 when upgrading from MPF5032BMBA0ESR2 to meet ASIL D watchdog requirements in new safety cases. |
Compared with MPF5032BMBA0ESR2, MPF5030BMBA0ESR2 delivers higher functional safety coverage (ASIL D on SG2 vs. ASIL B) at the cost of slightly higher complexity, while MPF5032BMDA0ESR2 extends the same base functionality to full ASIL D watchdog compliance - enabling targeted safety upgrades without redesigning power delivery.
Availability
MPF5032BMBA0ESR2 is available at Aetrix Electronics and suitable for EV propulsion domain controllers, chassis-integrated systems, S32Z2 companion designs, and automotive gateway modules requiring stable component supply, long-term automotive qualification, and functional safety compliance.
Supply support for MPF5032BMBA0ESR2 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, with leadership in automotive processors and functional safety-certified power management.
The PF5032 product line is part of NXP's fail-safe system basis chip family, engineered to serve as the trusted power and safety foundation for next-generation automotive domain controllers based on S32Z2/E2 processors.
FAQ
What is the primary safety classification of MPF5032BMBA0ESR2?
MPF5032BMBA0ESR2 is certified ASIL D for safety goal 1 (SG1/CSG_01) covering undervoltage/overvoltage monitoring on all S32Z2/E2 power rails (0.8 V, 1.1 V, 1.8 V, 3.3 V), and ASIL B for safety goal 2 (SG2/CSG_02) covering the watchdog monitoring function. This dual-level classification aligns with ISO 26262 decomposition strategies for automotive domain controllers.
Does MPF5032BMBA0ESR2 support multiphase operation for its BUCK1/2 regulators?
Yes, MPF5032BMBA0ESR2 supports multiphase operation for BUCK1 and BUCK2, enabling combined current delivery up to 7.0 A DC. This capability is implemented through interleaved switching control and shared feedback, allowing efficient high-current core rail generation for S32Z2/E2 processors without external phase controllers.
How is OTP programming used in MPF5032BMBA0ESR2?
MPF5032BMBA0ESR2 uses on-chip One-Time Programmable (OTP) memory to store critical startup parameters including output voltage setpoints, power-up sequencing order, timing delays (e.g., 10 ms RSTB release), and safety configuration flags. This eliminates external configuration components and ensures deterministic boot behavior across production units.
What package type does MPF5032BMBA0ESR2 use, and why is it suited for automotive applications?
MPF5032BMBA0ESR2 uses an HVQFN40eP package (6 mm × 6 mm, 0.5 mm pitch, wettable flanks). Its exposed thermal pad ensures low junction-to-board resistance (RθJCBOTTOM = 2.4 °C/W), while wettable flanks enable automated optical inspection of solder joints - critical for zero-defect manufacturing in automotive electronics.
Can MPF5032BMBA0ESR2 monitor external voltage rails beyond its internal regulators?
Yes, MPF5032BMBA0ESR2 includes six dedicated external voltage monitoring inputs (VMON0–VMON5) with ±1.0% target accuracy, plus VMON_EXT. These inputs feed into an integrated analog multiplexer (AMUX), allowing centralized, real-time monitoring of up to seven external supply rails - essential for comprehensive system-level power health diagnostics.
MPF5032BMBA0ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 40-PowerVFQFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- System Basis Chip
- Current - Supply:
- -
- Voltage - Supply:
- 3.3V ~ 5.25V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 40-HVQFN (6x6)
MPF5032BMBA0ESR2 FAQ
1.How can I place an order for MPF5032BMBA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MPF5032BMBA0ESR2 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 MPF5032BMBA0ESR2 reliable?
The price and inventory of MPF5032BMBA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MPF5032BMBA0ESR2 is usually 5 days.
3.What payment methods are accepted for MPF5032BMBA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MPF5032BMBA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MPF5032BMBA0ESR2?
MPF5032BMBA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MPF5032BMBA0ESR2 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 MPF5032BMBA0ESR2?
For technical support, including MPF5032BMBA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MPF5032BMBA0ESR2 requirements.
6.How does Aetrix verify that MPF5032BMBA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MPF5032BMBA0ESR2 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 MPF5032BMBA0ESR2 meets industry standards.
7.What is the process for return or replacement of MPF5032BMBA0ESR2?
All MPF5032BMBA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MPF5032BMBA0ESR2, 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 MPF5032BMBA0ESR2 part is unused and in its original packaging.
Return procedure for MPF5032BMBA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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