My Inquiry
My Account
NXP Semiconductors MFS8622BMBA0ESR2
- Part No.:
- MFS8622BMBA0ESR2
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
MFS8622BMBA0ESR2.pdf
- Description:
- SAFETY SYSTEM BASIS CHIP FOR DOM
- Quantity:
- Payment:
- Shipping:
Inventory:4,503
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
MFS8622BMBA0ESR2 from NXP Semiconductors is a fail-safe system basis chip (SBC) designed for automotive domain controllers requiring ASIL B functional safety compliance, 36 V max input for 12 V battery networks, integrated 2.5 A synchronous buck converter, dual 400 mA LDOs, and 10-channel ±1 % voltage monitoring. It serves as the central power management and safety supervisor in radar and ADAS control units.
For engineers reviewing the MFS8622BMBA0ESR2 datasheet, MFS8622BMBA0ESR2 pinout, MFS8622BMBA0ESR2 application, or MFS8622BMBA0ESR2 equivalent, this page delivers verified specifications, validated pin functions, automotive-grade thermal and EMI performance data, and direct alternative part comparisons for domain controller power architecture selection.
Technical Context
The MFS8622BMBA0ESR2 implements a leader/follower power-up sequencing architecture via XFAILB synchronization, enabling cascaded SBC/PMIC systems to behave as one coordinated unit. Its fail-safe state machine independently monitors ten voltage rails-including external PMIC outputs-with dedicated analog multiplexer routing and I²C-configurable thresholds.
It integrates three regulated power stages: a 2.5 A low-voltage synchronous buck (BUCK), two 400 mA LDOs (LDO1/LDO2), and a 1 A boost converter (BOOST), all managed through a 32-bit I²C interface with 8-bit CRC. The device supports OTP-programmable configurations and includes LBIST/ABIST, FCCU-based MCU failure detection, and ERRMON for external IC fault reporting.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 4.5 V to 36 V DC - supports full operation across 12 V automotive battery network transients including cold crank and load dump. |
| BUCK Output | 1.0–3.3 V @ 2.5 A DC - powers core logic (e.g., MCU VCORE) with integrated synchronous FETs and adjustable feedback. |
| LDO1/LDO2 Outputs | 1.1–5.0 V @ 400 mA each - supplies MCU I/O, peripherals, and CAN PHY with independent load switch capability on LDO1. |
| Voltage Monitoring | 10 inputs @ ±1 % accuracy - enables QM rail supervision of non-NXP components and full-system safety coverage per ISO 26262. |
| Functional Safety | ASIL B compliant - certified to ISO 26262 and qualified per AEC-Q100 Grade 1 (−40 °C to 125 °C ambient). |
| Package | HPQFN48eP (SOT619-26) - 7 mm × 7 mm, 0.4 mm pitch, exposed pad for thermal dissipation up to 150 °C junction. |
| Interface | 32-bit I²C with 8-bit CRC - provides secure register access, watchdog configuration, and real-time status reporting without SPI overhead. |
Pinout & Package
HPQFN48eP package with wettable flanks and thermally enhanced exposed pad (EP), optimized for automotive PCB assembly and thermal management in high-reliability domain controller modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VSUP1/VSUP2 | Main power supply inputs | Dual 36 V-rated inputs with mandatory reverse-battery protection diodes; enable redundancy and fault isolation. |
| BUCK_SW / BUCK_FB | Buck switching node & feedback | Direct connection to external inductor and resistor divider; supports dynamic output voltage adjustment during runtime. |
| LDO1 / LDO2 | Linear regulator outputs | Stable, low-noise 400 mA outputs; LDO1 includes integrated load switch for controlled peripheral power gating. |
| VMON0_I2C – VMON9_RES | Voltage monitoring inputs | 10 configurable analog inputs-six resistor-bridge (RES), three DAC-based (DAC), one I²C-supplied (I2C)-for comprehensive rail supervision. |
| XFAILB | Power synchronization I/O | Enables leader/follower sequencing with other NXP low-voltage PMICs; ensures deterministic power-up order across multi-chip systems. |
| PGOOD / RSTB / FS0B | Fail-safe outputs | Open-drain outputs with latent fault detection: PGOOD confirms regulation stability, RSTB resets MCU, FS0B signals safe-state violation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated BOOST Converter | 5–6 V @ 1 A DC output - powers CAN transceivers and isolated interfaces without external boost ICs. |
| Wake-up Detection | Two 3.3 V-compatible WAKE1/WAKE2 pins with external series resistors - enables low-power wake-from-sleep via battery or LIN bus events. |
| EMC Optimization | Spread spectrum, slew rate control, and manual frequency tuning - reduces peak EMI emissions to meet FMC1278 rev.3 and ISO11452-4 requirements. |
| OTP Programmability | Factory-programmed A0 configuration - enables device customization (e.g., voltage setpoints, sequencing delays, watchdog mode) without hardware changes. |
| Thermal Performance | RθJA = 23 °C/W (2s6p layout) - sustains full 2.5 A BUCK load at 125 °C ambient with standard 2-layer PCB cooling. |
Applications
| Radar Control Unit | ADAS Domain Controller |
|---|---|
|
Use Scenario: Powers 77 GHz radar SoC, CAN FD interface, and temperature sensors in front-end radar module. IC Role / Device Role / Timing Role: Central SBC providing sequenced VCORE (1.2 V), I/O (3.3 V), CAN PHY (5 V), and safety monitoring. Use Value: Enables single-chip power + safety architecture with <10 ms RSTB release delay for radar MCU boot compliance. |
Use Scenario: Manages power and safety for multi-core MCU, Ethernet switch, and camera interface in zonal ECU. IC Role / Device Role / Timing Role: Fail-safe supervisor coordinating BUCK, LDOs, and external PMICs via XFAILB synchronization. Use Value: Reduces BOM count by integrating 2.5 A buck, dual 400 mA LDOs, and 10-rail monitoring-eliminating discrete supervisors. |
| Electrified Powertrain Gateway | Commercial Vehicle ADAS Hub |
|
Use Scenario: Supplies gate drivers, isolated communication, and microcontroller in 48 V mild-hybrid gateway. IC Role / Device Role / Timing Role: High-integrity power manager handling 36 V transients, voltage margining, and fault propagation to vehicle network. Use Value: Supports ASIL B compliance with built-in ABIST/LBIST, ERRMON, and independent voltage monitoring for QM rails. |
Use Scenario: Powers vision processing unit and surround-view ECUs in Class 8 truck ADAS system. IC Role / Device Role / Timing Role: Robust SBC delivering 400 mA LDOs for camera ISPs and 2.5 A buck for AI accelerator cores. Use Value: Maintains ±1 % rail accuracy across −40 °C to 125 °C, ensuring consistent image sensor bias and ISP timing under thermal stress. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe SBC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MFS8623BMBA0ESR2 | Same package and pinout; adds integrated 36 V-rated BAT_SW output and supports 12 V network with full LDO1/LDO2 + BOOST + BUCK. | Required where battery-switched load control (e.g., pre-charge circuits) is needed alongside full regulator complement. | Select MFS8623BMBA0ESR2 if BAT_SW functionality and complete regulator set are mandatory; otherwise MFS8622BMBA0ESR2 offers optimal cost/performance for LDO+Buck+Boost-only use cases. |
| MFS8633BMBA0ESR2 | ASIL D rated; adds challenger watchdog, ERRMON support, and extended voltage monitoring flexibility (VMON9 enabled). | Suitable for higher-integrity domains like steering or braking where ASIL D decomposition is required. | Choose MFS8633BMBA0ESR2 only when ASIL D certification and dual-watchdog monitoring are mandated; MFS8622BMBA0ESR2 meets ASIL B with simpler qualification scope. |
Compared with MFS8623BMBA0ESR2 and MFS8633BMBA0ESR2, the MFS8622BMBA0ESR2 delivers ASIL B–compliant power management with identical footprint and thermal performance but excludes BAT_SW and challenger watchdog-reducing validation effort and cost for radar and mid-tier ADAS applications.
Availability
MFS8622BMBA0ESR2 is available at Aetrix Electronics and suitable for radar control units, ADAS domain controllers, and electrified powertrain gateways requiring stable component supply, automotive-grade lifecycle assurance, and AEC-Q100-compliant sourcing.
Supply support for MFS8622BMBA0ESR2 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 applications, with deep expertise in functional safety and automotive power management.
The FS86 family-including MFS8622BMBA0ESR2-is engineered for scalable, fail-safe power architectures in domain controllers, supporting ASIL B to ASIL D compliance, BYLink synchronization, and seamless integration with NXP's MCU portfolio.
FAQ
What is the maximum input voltage rating for MFS8622BMBA0ESR2?
MFS8622BMBA0ESR2 is rated for 36 V DC maximum input voltage, optimized for 12 V automotive battery networks. This rating covers transient conditions including load dump and cold-crank events per ISO 16750-2, with VSUP1/VSUP2 pins requiring external reverse-battery protection diodes.
Does MFS8622BMBA0ESR2 support power sequencing with other PMICs?
Yes, MFS8622BMBA0ESR2 supports synchronized power-up sequencing via the XFAILB pin, enabling leader/follower behavior with compatible NXP low-voltage PMICs. This allows cascaded SBC/PMIC systems to coordinate startup timing and safety states as a unified platform.
How many voltage rails can MFS8622BMBA0ESR2 monitor, and what is the accuracy?
MFS8622BMBA0ESR2 monitors up to 10 voltage rails with ±1 % accuracy across its VMON0_I2C through VMON9_RES inputs. These include DAC-based, resistor-bridge, and I²C-supplied monitoring channels, enabling supervision of both internal regulators and external QM rails from non-NXP components.
What safety certifications apply to MFS8622BMBA0ESR2?
MFS8622BMBA0ESR2 is developed per ISO 26262 for functional safety and qualified to AEC-Q100 Grade 1 (−40 °C to 125 °C ambient). It supports ASIL B compliance with integrated LBIST/ABIST, FCCU-based MCU failure detection, ERRMON for external IC faults, and latent-fault-detecting safety outputs (PGOOD, RSTB, FS0B).
Is OTP programming supported for MFS8622BMBA0ESR2 in production?
No, OTP programming for MFS8622BMBA0ESR2 in production is restricted to NXP or authorized third parties. Customer-side OTP emulation is permitted only during engineering development using NXP's GUI and socketed evaluation board; production devices must be factory-programmed with A0 configuration or custom OTP extensions.
MFS8622BMBA0ESR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 48-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Camera
- Current - Supply:
- -
- Voltage - Supply:
- 36V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 48-HVQFN (7x7)
MFS8622BMBA0ESR2 FAQ
1.How can I place an order for MFS8622BMBA0ESR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MFS8622BMBA0ESR2 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 MFS8622BMBA0ESR2 reliable?
The price and inventory of MFS8622BMBA0ESR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MFS8622BMBA0ESR2 is usually 5 days.
3.What payment methods are accepted for MFS8622BMBA0ESR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MFS8622BMBA0ESR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MFS8622BMBA0ESR2?
MFS8622BMBA0ESR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MFS8622BMBA0ESR2 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 MFS8622BMBA0ESR2?
For technical support, including MFS8622BMBA0ESR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MFS8622BMBA0ESR2 requirements.
6.How does Aetrix verify that MFS8622BMBA0ESR2 is sourced from the original manufacturer or authorized distributors?
All MFS8622BMBA0ESR2 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 MFS8622BMBA0ESR2 meets industry standards.
7.What is the process for return or replacement of MFS8622BMBA0ESR2?
All MFS8622BMBA0ESR2 units undergo pre-shipment inspection (PSI). If there is an issue with MFS8622BMBA0ESR2, 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 MFS8622BMBA0ESR2 part is unused and in its original packaging.
Return procedure for MFS8622BMBA0ESR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MFS8622BMBA0ESR2 Tags
-
TPS2511DGNR
Texas Instruments
-
UTC2000/MG
Microchip Technology
-
TUSB320HAIRWBR
Texas Instruments
-
TPS61252DSGR
Texas Instruments
-
PI5USB30216CXUAEX
Diodes Incorporated
-
SN6501DBVR
Texas Instruments
-
CYPD3177-24LQXQT
Infineon Technologies
-
SN6501QDBVRQ1
Texas Instruments
-
STUSB1600AQTR
STMicroelectronics
-
SN6505BDBVR
Texas Instruments
-
SN6501DBVT
Texas Instruments
-
TPS65150PWPR
Texas Instruments
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
