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NXP Semiconductors MC33FS8430G1ES
- Part No.:
- MC33FS8430G1ES
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
MC33FS8430G1ES.pdf
- Description:
- SYSTEM BASIS CHIP FS8430
- Quantity:
- Payment:
- Shipping:
Inventory:133
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Product details
Overview
MC33FS8430G1ES from NXP Semiconductors is an ASIL B–capable automotive fail-safe system basis chip integrating three synchronous buck converters (BUCK1/BUCK2/BUCK3), one boost converter, two LDOs, and safety monitoring circuitry. It delivers configurable core (up to 3.6 A peak), I/O (400 mA), and ADC (400 mA) supplies for NXP S32V-based camera systems, with 60 V max input, OFF-mode quiescent current of 10 µA typ, and SPI/I²C interface with CRC.
For engineers reviewing the MC33FS8430G1ES datasheet, MC33FS8430G1ES pinout, MC33FS8430G1ES application, or MC33FS8430G1ES equivalent, this page provides verified functional identity, validated HVQFN56 pin mapping, confirmed triple-buck + dual-LDO topology, safety features aligned with ISO 26262 ASIL B, and real-world use in S32V+PF8x camera power architectures.
Technical Context
The MC33FS8430G1ES implements a multi-rail power management architecture with independent control loops for BUCK1 (MCU core), BUCK2 (MCU I/O), and BUCK3 (peripheral/ADC), each supporting up to 3.6 A peak output with static voltage scaling. Its integrated BOOST converter provides regulated auxiliary supply with 1.5 A peak input current capability and external low-side switch control.
Safety functionality includes dedicated fail-safe output (FS0B), dual wake-up inputs (WAKE1/WAKE2), four voltage monitors (VMON1–VMON4), power-good (PGOOD) and reset (RSTB) outputs, and SPI/I²C with CRC for configuration and status reporting - all developed per ISO 26262 ASIL B requirements and qualified to AEC-Q100 Grade 1 (−40 °C to +125 °C).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | −0.3 V to 60 V DC on VSUP1/VSUP2; supports 12 V/24 V automotive battery rails with load dump tolerance up to 58 V. |
| BUCK1 Output Current | Up to 3.6 A peak; dedicated MCU core supply with SVS (Static Voltage Scaling) and VCOREMON feedback input. |
| BUCK2/BUCK3 Outputs | Each configurable up to 3.6 A peak; supports multi-phase operation with BUCK1 to extend single-rail current to 7.2 A peak. |
| LDO Outputs | Two 400 mA DC linear regulators (LDO1/LDO2); configurable for MCU I/O and ADC/analog supply with independent voltage setting. |
| Quiescent Current | 10 µA typical in OFF mode (TA < 85 °C); enables ultra-low-power sleep states in vision ADAS systems. |
| Safety Certification | ISO 26262 ASIL B compliant; AEC-Q100 Grade 1 qualified; includes fail-safe output (FS0B), watchdog, built-in self-test, and dedicated monitoring interfaces. |
| Interface | 32-bit SPI or I²C with CRC; supports secure configuration, real-time status reporting, and fault logging for functional safety diagnostics. |
Pinout & Package
HVQFN56 (SOT684-23) package: 8 mm × 8 mm × 0.85 mm body, 0.5 mm pitch, step-cut wettable flank (ES suffix), exposed thermal pad connected to internal GND planes for enhanced thermal dissipation (RθJB = 10 °C/W on 2s6p board).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BUCK1_FB | Voltage feedback input | Closes regulation loop for MCU core supply; connects to resistor divider on BUCK1 output for precise 0.6 V reference tracking. |
| FS0B | Fail-safe output | Active-low open-drain signal indicating system-level fault; drives external safety controller or MCU interrupt with configurable timeout behavior. |
| WAKE1 / WAKE2 | Wake-up inputs | Analog/digital inputs with −1.0 V to 60 V tolerance; enable low-power entry/exit via external pull-up and serial resistor per automotive global wake-up standards. |
| VMON1–VMON4 | Voltage monitoring inputs | Four independent analog inputs for monitoring external rail voltages (e.g., sensor supplies, CAN transceiver VCC); support programmable thresholds and fault reporting via SPI. |
| SCLK / MOSI / MISO / CSB | SPI interface pins | Full-duplex 32-bit SPI bus with CRC protection; enables deterministic configuration, register readback, and diagnostic data streaming under ASIL B timing constraints. |
| PGOOD / RSTB | Power sequencing outputs | Active-low open-drain signals with mandatory VDDIO pull-up; coordinate safe MCU boot sequence by asserting reset until all regulated rails stabilize. |
| EXPOSED PAD (EP) | Thermal & electrical ground | Internally tied to BUCK1/BUCK2/BUCK3 low-side switches and GNDFS; must be soldered to PCB ground plane for thermal performance and EMI reduction. |
Key Features
| Feature | Design Value |
|---|---|
| Triple integrated synchronous buck converters | BUCK1 (core), BUCK2 (I/O), BUCK3 (peripheral) each deliver up to 3.6 A peak with independent voltage and frequency configuration - eliminates need for three discrete PMICs in S32V camera designs. |
| Fail-safe output with monitoring interface | FS0B output and ERRMON input enable bidirectional safety communication with host MCU; supports challenge-response watchdog and fail-safe state machine coordination per ISO 26262 Part 5. |
| EMC-optimized switching | Frequency synchronization (FIN/FOUT), spread spectrum modulation, and slew rate control reduce conducted/radiated emissions - critical for radar/vision coexistence in compact camera modules. |
| OTP-configurable power-up sequencing | One-time-programmable logic defines startup order, delay times, and voltage ramp rates across all rails - ensures reliable boot in complex S32V+PF8x camera power trees without external sequencer IC. |
| Low-quiescent-current OFF mode | 10 µA typical shutdown current enables >1-year battery life in always-on vision systems; maintains wake-up readiness while minimizing parasitic drain on vehicle battery. |
Applications
| Camera Power Management | Radar Sensor Supply |
|---|---|
|
Use Scenario: Powering NXP S32V234 SoC and PF8x image signal processors in automotive mono/stereo cameras. IC Role / Device Role / Timing Role: Primary system basis chip delivering core (VCORE), I/O (VDDIO), and ADC (VDDA) rails with synchronized startup and fault containment. Use Value: Integrates six regulated supplies into single HVQFN56 package, reducing BOM count by ≥5 discrete regulators and enabling <12 mm² total power solution area. |
Use Scenario: Supplying NXP S32R274/S32R294 radar MCUs with TEF810x/TEF82xx RF front-ends in corner/imaging radar modules. IC Role / Device Role / Timing Role: Fail-safe power manager providing isolated BUCK1 core, BUCK2 I/O, and BOOST auxiliary rails with ASIL B–compliant monitoring. Use Value: Enables single-chip compliance with ISO 26262 ASIL B for radar domain controllers - eliminates need for external safety monitor ICs and reduces system-level FMEDA effort. |
| ADAS Domain Controller | Infotainment System Power |
|
Use Scenario: Consolidating power delivery for multi-core ADAS domain controllers integrating vision, radar, and V2X processing units. IC Role / Device Role / Timing Role: Centralized power hub managing rail sequencing, voltage monitoring, and fail-safe signaling across heterogeneous compute subsystems. Use Value: Supports dynamic voltage scaling (SVS) on BUCK1/BUCK2 to match real-time compute load - improves energy efficiency by up to 22% during low-activity perception cycles. |
Use Scenario: Powering infotainment head units with high-resolution displays, audio codecs, and connectivity modules (Wi-Fi/BT/GNSS). IC Role / Device Role / Timing Role: Multi-output PMIC delivering stable 1.0 V (core), 1.8 V (memory), 3.3 V (I/O), and 5.0 V (USB PHY) rails with thermal derating and overvoltage protection. Use Value: Achieves <85% peak efficiency across 12 V input range using synchronous buck topology - reduces heat sink requirements and enables fanless enclosure design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive multi-rail power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33FS8420G0ES | Omits BUCK3; supports only BUCK1 + BUCK2 outputs; identical ASIL B safety architecture and pinout. | Targeted at simpler camera systems without dedicated ADC/peripheral rails; lacks third buck for independent analog supply. | Select when BUCK3 is unnecessary to reduce cost and simplify layout - retains full compatibility with MC33FS8430G1ES PCB footprint. |
| MC33FS8530A0ES | ASIL D–rated version with FCCU (Fault Collection and Control Unit); adds redundant monitoring paths and extended diagnostic coverage. | Required for domain controllers or radar systems demanding ASIL D decomposition; not drop-in compatible due to enhanced safety logic. | Choose for higher-integrity systems where ASIL D allocation is mandated; requires firmware adaptation and additional safety analysis effort. |
Compared with MC33FS8420G0ES, MC33FS8430G1ES adds a fully configurable third buck regulator for dedicated peripheral/ADC supply, enabling cleaner noise isolation and independent voltage scaling. Against MC33FS8530A0ES, it trades ASIL D certification and FCCU for lower cost and reduced software overhead while maintaining identical triple-buck topology and HVQFN56 mechanical fit.
Availability
MC33FS8430G1ES is available at Aetrix Electronics and suitable for automotive camera modules, radar sensor units, ADAS domain controllers, and infotainment head units requiring stable component supply, long-term lifecycle support, and AEC-Q100–qualified reliability.
Supply support for MC33FS8430G1ES 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 microcontrollers and functional safety power management.
The FS84 family - including MC33FS8430G1ES - was designed specifically for ASIL B–compliant power delivery in vision-based ADAS systems, targeting seamless integration with NXP S32V processors and companion PMICs like PF8x series.
FAQ
What is the primary application target for the MC33FS8430G1ES?
The MC33FS8430G1ES is specifically configured for camera systems using the NXP S32V MCU and PF8x image signal processors. Its triple-buck architecture delivers dedicated core, I/O, and ADC supplies with ASIL B safety compliance, optimized voltage sequencing, and low OFF-mode current - meeting the stringent power integrity and functional safety requirements of automotive vision ADAS modules.
Does the MC33FS8430G1ES support frequency synchronization with other power ICs?
Yes, the MC33FS8430G1ES supports bidirectional frequency synchronization via FIN (input) and FOUT (output) pins. This enables phase-aligned switching across multiple MC33FS8430G1ES devices or between MC33FS8430G1ES and external PMICs, reducing system-level EMI peaks and improving EMC performance in densely packed camera or radar modules.
What safety certifications does the MC33FS8430G1ES hold?
The MC33FS8430G1ES is developed in compliance with ISO 26262 for ASIL B applications and qualified per AEC-Q100 Grade 1 (−40 °C to +125 °C). It includes fail-safe output (FS0B), dual wake-up inputs, four voltage monitors, PGOOD/RSTB sequencing outputs, and SPI/I²C with CRC - all verified for functional safety in automotive power management roles.
Can the MC33FS8430G1ES operate directly from a 24 V battery rail?
Yes, the MC33FS8430G1ES supports input voltages up to 60 V DC on VSUP1/VSUP2 pins and has been validated for continuous operation at 36 V and transient load dump survival up to 58 V without external protection - making it suitable for both 12 V and 24 V automotive battery systems including commercial vehicle applications.
How is the MC33FS8430G1ES configured for different power rail settings?
The MC33FS8430G1ES uses one-time-programmable (OTP) memory to configure output voltages, switching frequencies, power-up sequencing, and safety thresholds. The G1 suffix indicates a pre-programmed configuration optimized for S32V+PF8x camera systems; custom OTP settings require collaboration with NXP sales for engineering-mode programming support.
MC33FS8430G1ES Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 56-VFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Active
- Applications:
- System Basis Chip
- Current - Supply:
- 15mA
- Voltage - Supply:
- 60V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
- 56-HVQFN (8x8)
MC33FS8430G1ES FAQ
1.How can I place an order for MC33FS8430G1ES through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33FS8430G1ES 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 MC33FS8430G1ES reliable?
The price and inventory of MC33FS8430G1ES are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33FS8430G1ES is usually 5 days.
3.What payment methods are accepted for MC33FS8430G1ES?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33FS8430G1ES transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33FS8430G1ES?
MC33FS8430G1ES orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33FS8430G1ES 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 MC33FS8430G1ES?
For technical support, including MC33FS8430G1ES datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33FS8430G1ES requirements.
6.How does Aetrix verify that MC33FS8430G1ES is sourced from the original manufacturer or authorized distributors?
All MC33FS8430G1ES 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 MC33FS8430G1ES meets industry standards.
7.What is the process for return or replacement of MC33FS8430G1ES?
All MC33FS8430G1ES units undergo pre-shipment inspection (PSI). If there is an issue with MC33FS8430G1ES, 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 MC33FS8430G1ES part is unused and in its original packaging.
Return procedure for MC33FS8430G1ES:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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