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NXP Semiconductors MFS8416AMBP5ESR2
- Part No.:
- MFS8416AMBP5ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8416AMBP5ESR2.pdf
- Description:
- SAFETY POWER MANAGEMENT IC, QFN4
- Quantity:
- Payment:
- Shipping:
Inventory:3,986
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Product details
Overview
MFS8416AMBP5ESR2 from NXP Semiconductors is a functionally safe, ASIL B-compliant system basis chip (SBC) designed for automotive gateway applications with the MPC5748G MCU. It integrates a 3.3 V VPRE synchronous buck controller (10 A peak), 1.2 V BUCK1 core regulator (4.5 A), 1.8 V BUCK3 (4.5 A), 3.3 V LDO1 (400 mA), 5.0 V LDO2 (400 mA), and 5.0 V BOOST converter, all with fail-safe monitoring and SPI control.
For engineers reviewing the MFS8416AMBP5ESR2 datasheet, MFS8416AMBP5ESR2 pinout, MFS8416AMBP5ESR2 application, or MFS8416AMBP5ESR2 equivalent, this page delivers verified specifications, safety-critical power sequencing details, OTP-configured voltage thresholds (e.g., VCOREMON = 1.2 V, UVTH = 95 %), and real-world radar/gateway use context - enabling rapid integration into ISO 26262-compliant designs without cross-referencing external documents.
Technical Context
The MFS8416AMBP5ESR2 implements dual independent state machines: a main power management state machine handling wake-up, standby, and regulator sequencing, and a dedicated fail-safe state machine managing ABIST, FCCU-based MCU error detection, deep fail-safe auto-retry (x15), and fail-safe output (FS0B) assertion. Its safety architecture supports ASIL B partitioning per ISO 26262.
It features configurable 2.22 MHz switching frequency across all SMPS rails, phase-shifting capability (delay 4 for BUCK3), and synchronized operation via FIN/FOUT pins. Power-up sequencing is strictly defined across 8 slots, with BUCK1 starting in Slot 3, LDO1 in Slot 2, and LDO2 in Slot 1 - all enabled by OTP configuration, not runtime SPI.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | VSUP: 4.9 V to 40 V DC - supports cold-crank and load-dump conditions in 12 V automotive systems |
| VPRE Output | 3.3 V fixed, 10 A peak - supplies external high-side MOSFETs for primary 12 V-to-5/3.3 V conversion |
| BUCK1 Output | 1.2 V, 4.5 A peak, 2.22 MHz - dedicated low-noise core supply for MPC5748G with SVS disabled |
| BUCK3 Output | 1.8 V, 4.5 A peak, 2.22 MHz - powers auxiliary logic or interface circuitry with TSD shutdown behavior |
| LDO1/LDO2 | 3.3 V / 5.0 V, 400 mA each - regulated IO/ADC supplies with independent power sequencing slots |
| Safety Certification | ASIL B compliant per ISO 26262, AEC-Q100 Grade 1 qualified - enables use in safety-critical gateway subsystems |
| Fail-Safe Outputs | FS0B (open-drain), PGOOD, RSTB - assert on monitored fault (OV/UV/TSD) with programmable delay (25 µs OV_DGLT) |
Pinout & Package
HVQFN48EP (SOT619-27), thermally enhanced wettable flanks package with exposed pad (EP) connected to GND - optimized for automotive thermal cycling and reflow inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VPRE-related pins (35–42) | VPRE controller interface | Pins PRE_CSP, PRE_COMP, PRE_GHS, PRE_GLS, PRE_SW, PRE_BOOT, PRE_FB configure external MOSFET gate drive and feedback for 3.3 V/10 A pre-regulator |
| BUCK1 pins (30–33) | Core regulator interface | BUCK1_IN (input), BUCK1_SW (switch node), BUCK1_FB (feedback), VCOREMON (monitoring input tied to output) |
| BUCK3 pins (1–8) | Auxiliary regulator interface | BUCK3_IN, BUCK3_SW, BUCK3_FB, BUCK3_INQ - support 1.8 V/4.5 A rail with quiet input for noise-sensitive loads |
| SPI interface (22–25) | Digital control bus | MISO/MOSI/SCLK/CSB - 32-bit SPI with CRC for OTP configuration, register access, and fault reporting |
| Safety monitoring pins (10–15, 27–28) | Fault detection inputs | VMON1–VMON4, VCOREMON, FCCU1/FCCU2 - monitor external rail voltages and MCU error signals for fail-safe response |
| Fail-safe outputs (12, 16–17) | System-level safety signaling | FS0B (active-low open drain), PGOOD (active-low with VDDIO pullup), RSTB (MCU reset with fault detection) |
Key Features
| Feature | Design Value |
|---|---|
| OTP-configured power sequencing | Eight-slot sequencing with BUCK1 in Slot 3, LDO1 in Slot 2, LDO2 in Slot 1 - eliminates need for external sequencer in MPC5748G gateway designs |
| Deep fail-safe auto-retry | x15 retry cycles before permanent shutdown - maintains system availability during transient faults without MCU intervention |
| EMC-optimized SMPS | 2.22 MHz fixed-frequency operation with phase-shifting (BUCK3 delay 4) and slew-rate control - reduces radiated emissions in dense PCB layouts |
| Integrated voltage supervision | Four independent VMON inputs (VMON1–VMON4) with programmable OV/UV thresholds (e.g., VMON1 UVTH = 95 %) and 15–25 µs glitch filtering |
| Fail-safe state machine independence | Dedicated hardware FSM monitors MCU health (FCCU), performs ABIST1/ABIST2, and asserts FS0B even if main state machine fails - critical for ASIL B partitioning |
Applications
| Automotive Gateway with MPC5748G | Radar Sensor Power Management |
|---|---|
Use Scenario: Central vehicle gateway controlling CAN FD, Ethernet, and LIN networks using NXP MPC5748G MCU. IC Role / Device Role / Timing Role: MFS8416AMBP5ESR2 provides all regulated rails (1.2 V core, 3.3 V IO, 5.0 V PHY), monitors VSUP and VCORE, and asserts RSTB/FS0B on fault - acting as the safety-critical power supervisor. Use Value: Enables single-chip power + safety solution meeting ASIL B requirements without external supervisors or sequencers, reducing BOM count and layout area. | Use Scenario: Front-corner radar ECU requiring low-noise, tightly regulated supplies for RF transceivers and DSPs. IC Role / Device Role / Timing Role: MFS8416AMBP5ESR2 delivers 1.2 V (BUCK1), 1.8 V (BUCK3), and 3.3 V (LDO1) with <25 µs OV/UV response - ensuring radar SoC remains powered or safely reset within functional safety timing constraints. Use Value: Integrated BUCK3 quiet input (BUCK3_INQ) and 2.22 MHz switching minimize conducted noise into sensitive RF sections, improving radar signal integrity. |
| Vision Processing Unit Supply | Infotainment Domain Controller |
Use Scenario: Stereo camera module with image sensor, ISP, and video encoder requiring multiple isolated, sequenced rails. IC Role / Device Role / Timing Role: MFS8416AMBP5ESR2 supplies 1.2 V (core), 1.8 V (memory), 3.3 V (IO), and 5.0 V (USB PHY) with precise slot-based startup/shutdown - matching sensor initialization timing. Use Value: OTP-programmed sequencing eliminates firmware dependency for power-up order, improving boot reliability and reducing MCU initialization code complexity. | Use Scenario: Head-unit infotainment system with audio DSP, display controller, and connectivity modules. IC Role / Device Role / Timing Role: MFS8416AMBP5ESR2 manages 1.2 V (application processor core), 3.3 V (audio codec), 5.0 V (HDMI PHY), and monitors VSUP/VDDIO - providing fail-safe reset and PGOOD signaling. Use Value: Integrated LDO1 (400 mA) and LDO2 (400 mA) eliminate need for discrete LDOs, while FS0B output directly drives safety-critical watchdog or system disable logic. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe SBC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8412AMBP7ESR2 | Same HVQFN48EP package; BUCK1 = 1.25 V/4.5 A; LDO1 = 3.3 V/150 mA; no LDO2; PSYNC enabled | Targeted for radar with S32R274 MCU - lacks 400 mA LDOs and 1.8 V BUCK3 required for MPC5748G gateway I/O | Select only if lower LDO current and absence of second LDO are acceptable; not drop-in for MFS8416AMBP5ESR2's gateway use case |
| MFS8406AMBP4ESR2 | Same package; BUCK1 = 1.25 V/2.6 A; BUCK3 disabled; LDO1 = 5.0 V/150 mA; LDO2 disabled; VPRE = 3.3 V/5 A | Optimized for camera modules - insufficient core current and missing BUCK3/LDO2 prevent use with MPC5748G | Only suitable for lower-power vision applications; cannot replace MFS8416AMBP5ESR2 in gateway designs requiring 4.5 A core and dual LDOs |
Compared with MFS8412AMBP7ESR2 and MFS8406AMBP4ESR2, the MFS8416AMBP5ESR2 uniquely delivers 400 mA dual-LDO support, 1.8 V BUCK3, and 1.2 V/4.5 A BUCK1 - making it the sole OTP variant qualified for MPC5748G-based automotive gateways requiring full ASIL B compliance and integrated power sequencing.
Availability
MFS8416AMBP5ESR2 is available at Aetrix Electronics and suitable for automotive gateway, radar sensor, vision processing, and infotainment domain controller applications requiring stable component supply, long-term lifecycle support, and ASIL B-certified power management.
Supply support for MFS8416AMBP5ESR2 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 markets, with leadership in automotive MCUs and functional safety ICs.
The FS84 QFN48EP product line was designed specifically for ASIL B-compliant automotive power management in radar, vision, ADAS domain controllers, and gateway ECUs - integrating safety monitoring, multi-rail regulation, and fail-safe outputs in a single HVQFN package.
FAQ
What is the primary application target for the MFS8416AMBP5ESR2?
The MFS8416AMBP5ESR2 is specifically configured for automotive gateway applications using the NXP MPC5748G MCU, as indicated in Table 2 of the datasheet. Its OTP settings - including 1.2 V BUCK1, 1.8 V BUCK3, 3.3 V LDO1 (400 mA), and 5.0 V LDO2 (400 mA) - are optimized to meet the power and sequencing requirements of that reference design, distinguishing it from radar- or camera-targeted variants like MFS8412AMBP7ESR2 or MFS8406AMBP4ESR2.
Does the MFS8416AMBP5ESR2 support pin-to-pin compatibility with other FS84 QFN48EP family members?
Yes, all FS84 QFN48EP devices - including the MFS8416AMBP5ESR2 - are pin-to-pin and software compatible per the General Description section. However, OTP configuration determines functionality (e.g., BUCK3 enablement, LDO voltage/current, sequencing slots), so hardware replacement requires verification that the alternative part's OTP matches the required rail configuration and safety behavior for the target application.
What safety certifications apply to the MFS8416AMBP5ESR2?
The MFS8416AMBP5ESR2 complies with ISO 26262 up to ASIL B and is qualified per AEC-Q100 Rev H Grade 1 (−40 °C to 125 °C ambient). It includes built-in self-test (ABIST1/ABIST2), dedicated fail-safe state machine, FCCU-based MCU monitoring, and fail-safe outputs (FS0B, PGOOD, RSTB) - all validated for use in safety-oriented system partitioning without requiring additional external safety components.
How does the power sequencing work on the MFS8416AMBP5ESR2?
Power sequencing on the MFS8416AMBP5ESR2 is hard-coded in OTP and executed by the main state machine: BUCK1 starts/stops in Slot 3, LDO1 in Slot 2, and LDO2 in Slot 1. This fixed, slot-based order ensures deterministic startup for the MPC5748G gateway - eliminating reliance on MCU firmware for sequencing and enabling safe power-up even before software execution begins.
What are the key voltage monitoring thresholds configured in the MFS8416AMBP5ESR2?
The MFS8416AMBP5ESR2 has VCOREMON set to 1.2 V with UVTH = 95 % and OVTH = 110 %, VMON1/VMON2 both at 3.3 V with UVTH = 95 % / 90 % respectively, and VSUP_UVH = 4.9 V. These thresholds - documented in Tables 3 and 4 - are OTP-programmed to match MPC5748G supply tolerance requirements and provide fast fault response (UV_DGLT = 15 µs, OV_DGLT = 25 µs) without software intervention.
MFS8416AMBP5ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- System Basis Chip
- Current - Supply:
- 15mA
- Voltage - Supply:
- 60V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 48-HVQFN (7x7)
MFS8416AMBP5ESR2 FAQ
1.How can I place an order for MFS8416AMBP5ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8416AMBP5ESR2 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 MFS8416AMBP5ESR2 reliable?
The price and inventory of MFS8416AMBP5ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8416AMBP5ESR2 is usually 5 days.
3.What payment methods are accepted for MFS8416AMBP5ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8416AMBP5ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8416AMBP5ESR2?
MFS8416AMBP5ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8416AMBP5ESR2 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 MFS8416AMBP5ESR2?
For technical support, including MFS8416AMBP5ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8416AMBP5ESR2 requirements.
6.How does Aetrix verify that MFS8416AMBP5ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS8416AMBP5ESR2 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 MFS8416AMBP5ESR2 meets industry standards.
7.What is the process for return or replacement of MFS8416AMBP5ESR2?
All MFS8416AMBP5ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS8416AMBP5ESR2, 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 MFS8416AMBP5ESR2 part is unused and in its original packaging.
Return procedure for MFS8416AMBP5ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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