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NXP Semiconductors MC33FS8530A0ES
- Part No.:
- MC33FS8530A0ES
- Manufacturer:
- NXP Semiconductors
- Category:
- Power Management - Specialized
- Package:
- 56-VFQFN Exposed Pad
- Datasheet:
-
MC33FS8530A0ES.pdf
- Description:
- SYSTEM BASIS CHIP FS8500
- Quantity:
- Payment:
- Shipping:
Inventory:187
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Product details
Overview
MC33FS8530A0ES from NXP Semiconductors is an ASIL D–compliant automotive fail-safe system basis chip (SBC) integrating three synchronous buck regulators (BUCK1/2/3), one boost converter, two LDOs, and comprehensive safety monitoring. It delivers up to 3.6 A per buck rail, supports 60 V max input, and features SPI/I²C control, frequency synchronization, and fail-safe output FS0B for radar and ADAS domain controllers.
For engineers reviewing the MC33FS8530A0ES datasheet, MC33FS8530A0ES pinout, MC33FS8530A0ES application, or MC33FS8530A0ES equivalent, this page provides verified functional identity, validated HVQFN56 pin mapping, confirmed ASIL D safety architecture, exact regulator current/voltage specs, and real-world radar/ADAS use context - all extracted from NXP's official FS84/FS85C Product Brief Rev. 7.
Technical Context
The MC33FS8530A0ES implements a multi-rail power management architecture with independent control of BUCK1 (MCU core), BUCK2 (MCU I/O), and BUCK3 (peripheral supply), each configurable up to 3.6 A peak. It includes a dedicated VPRE synchronous buck controller with external MOSFETs supporting up to 10 A peak, plus integrated BOOST (1.5 A max) and dual LDOs (400 mA each).
Safety logic integrates fail-safe output (FS0B), dual FCCU inputs, ERRMON, PGOOD/RSTB/INTB signals, and built-in self-test (BIST). It operates under ISO 26262 ASIL D compliance with AEC-Q100 Grade 1 qualification (−40 °C to +125 °C ambient), and supports power synchronization (PSYNC) for multi-device coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | VSUP1/2: −0.3 V to 60 V DC - supports 12 V/24 V automotive systems including load dump (58 V) and jump start (48 V/15 min) |
| BUCK1 Output Current | Up to 3.6 A peak - dedicated MCU core supply with SVS capability and VCOREMON feedback |
| BUCK2/BUCK3 Current | Each up to 3.6 A peak - configurable low-voltage rails; multi-phase capable with BUCK1 for 7.2 A peak on single rail |
| LDO Outputs | 2× 400 mA DC - configurable for MCU I/O and ADC supply; LDO1/LDO2 outputs referenced to LDO1_IN |
| Fail-Safe Output | FS0B: active-low open-drain - directly drives external safety machine or watchdog circuitry |
| Interface | SPI or I²C with CRC - 32-bit command structure; supports configuration, monitoring, and fault reporting |
| Quiescent Current | 10 µA typ in OFF mode - enables ultra-low-power battery-off state for always-on automotive modules |
Pinout & Package
MC33FS8530A0ES uses the HVQFN56 (SOT684-23) thermally enhanced wettable flank package: 8 mm × 8 mm × 0.85 mm body, 0.5 mm pitch, 56 terminals, exposed thermal pad (EP) connected to GND. Step-cut flank variant (ES suffix) enables reliable solder-joint inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| BUCK1_FB | Voltage feedback input | Closes regulation loop for BUCK1 output; connects to resistor divider on VCORE rail |
| FS0B | Fail-safe output | Active-low open-drain signal indicating internal safety violation or external fault detection |
| PSYNC | Power sync I/O | Enables synchronized switching across multiple MC33FS8530A0ES or with external PMIC to reduce system EMI |
| VMON1–VMON4 | Analog monitoring inputs | Four independent voltage sense channels for rail supervision, battery sensing, or external component monitoring |
| AMUX | Multiplexed analog output | Shared ADC input path - selects internal parameters (e.g., die temp, VDDIO) via SPI/I²C command |
Key Features
| Feature | Design Value |
|---|---|
| ASIL D Safety Architecture | Dedicated monitoring circuitry, dual FCCU inputs, ERRMON, and fail-safe output enable full safety partitioning per ISO 26262 |
| Multi-Phase BUCK Capability | BUCK1 and BUCK2 can operate in interleaved mode to deliver up to 7.2 A peak on a single output rail with reduced ripple |
| EMC Optimization | Integrated spread spectrum, slew rate control, manual frequency tuning, and FSYNC I/O minimize conducted/radiated emissions |
| OTP Configuration | One-time programmable memory stores critical settings (rail voltages, sequencing, safety thresholds); A0 suffix indicates non-programmed state |
| Ultra-Low OFF Mode | 10 µA typical quiescent current allows extended battery-off operation without draining vehicle battery |
Applications
| Radar Sensor Power Management | ADAS Domain Controller Supply |
|---|---|
Use Scenario: Powers NXP S32R274/S32R294 radar MCUs and TEF810x/TEF82xx RF transceivers in corner/imaging radar modules. IC Role / Device Role / Timing Role: Primary power source delivering regulated VCORE (BUCK1), VDDIO (BUCK2), and peripheral rails (BUCK3/BOOST); synchronizes switching with radar clock via FSYNC. Use Value: Enables ASIL D-compliant power delivery with fail-safe shutdown (FS0B) during sensor fault, meeting ISO 26262 diagnostic coverage requirements. | Use Scenario: Supplies compute-intensive domain controllers integrating vision, radar, and vehicle networking (CAN FD, Ethernet). IC Role / Device Role / Timing Role: Centralized multi-rail SBC managing core voltage (BUCK1), I/O banks (BUCK2), high-speed interface supplies (LDO1/LDO2), and auxiliary rails (BUCK3/BOOST). Use Value: Reduces BOM count by consolidating six regulators and safety monitors into single HVQFN56 package, simplifying layout and thermal design. |
| Automotive Camera System | V2X Communication Module |
Use Scenario: Powers S32V-based mono/stereo camera systems with image signal processors and MIPI interfaces. IC Role / Device Role / Timing Role: Delivers tightly regulated VCORE (BUCK1), VDDIO (BUCK2), and sensor interface rails (LDO1/LDO2); uses AMUX to monitor die temperature and rail health. Use Value: Supports static voltage scaling (SVS) on BUCK1 to dynamically adjust MCU core voltage based on processing load, reducing dynamic power consumption. | Use Scenario: Supplies DSRC/C-V2X modems (e.g., NXP TEA1002) and host microcontrollers in roadside units or vehicle telematics gateways. IC Role / Device Role / Timing Role: Provides isolated, monitored power for communication PHYs and secure host processors; leverages WAKE1/WAKE2 for low-power CAN/Ethernet wake events. Use Value: Maintains <10 µA OFF-mode current while retaining wake-up sensitivity - essential for always-on V2X nodes operating on vehicle battery. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fail-safe multi-rail power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC33FS8520A0ES | Omits BUCK3 regulator; retains BUCK1, BUCK2, BOOST, LDOs, and full ASIL D safety features | Suitable for dual-rail ADAS ECUs (e.g., radar + MCU only) without need for third buck rail | Select when BUCK3 is unnecessary - reduces cost and layout complexity without compromising ASIL D compliance |
| MC33FS8510A0ES | Omits BUCK2 and BUCK3; includes only BUCK1, BOOST, LDOs, and ASIL D safety circuitry | Targeted at simpler radar sensors or MCU-only applications requiring core + auxiliary supply only | Choose for minimal footprint and lowest BOM count where only VCORE + BOOST + LDOs are required |
Compared with MC33FS8530A0ES, MC33FS8520A0ES removes BUCK3 but keeps identical safety architecture and thermal performance, while MC33FS8510A0ES further reduces regulator count to prioritize cost and size over rail flexibility - both remain drop-in compatible in pinout and software but require OTP reconfiguration.
Availability
MC33FS8530A0ES is available at Aetrix Electronics and suitable for radar sensor modules, ADAS domain controllers, automotive camera systems, and V2X communication devices requiring stable component supply, long-term automotive qualification, and ASIL D functional safety support.
Supply support for MC33FS8530A0ES 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 ICs.
The MC33FS8530A0ES belongs to NXP's FS85 family of fail-safe system basis chips, designed specifically to meet ISO 26262 ASIL D requirements for next-generation radar, vision, and domain controller power architectures.
FAQ
What safety certification level does the MC33FS8530A0ES support?
The MC33FS8530A0ES is developed and qualified to ISO 26262 ASIL D process requirements and certified to AEC-Q100 Grade 1 (−40 °C to +125 °C). It includes dual FCCU inputs, ERRMON, fail-safe output FS0B, and built-in self-test to support full safety-oriented system partitioning - all documented in NXP's FS84/FS85C Product Brief Rev. 7.
Does the MC33FS8530A0ES include integrated MOSFETs for all its buck regulators?
No. The MC33FS8530A0ES integrates synchronous MOSFETs for BUCK1, BUCK2, and BUCK3 (each rated up to 3.6 A peak), but the VPRE buck controller requires external high-side and low-side MOSFETs. VPRE supports up to 10 A peak output and uses PRE_GHS/PRE_GLS gate drivers and PRE_SW switching node.
What is the function of the AMUX pin on the MC33FS8530A0ES?
The AMUX pin on the MC33FS8530A0ES is a multiplexed analog output that routes internal monitored parameters - such as die temperature, VDDIO, VSUP1, or VCORE - to an external MCU ADC. Selection of the parameter is controlled via SPI or I²C commands, enabling flexible health monitoring without additional external sensors.
Can the MC33FS8530A0ES operate from a 48 V supply during jump-start conditions?
Yes. When configured for 455 kHz VPRE switching, the MC33FS8530A0ES is validated for 48 V operation for up to 15 minutes at room temperature - satisfying automotive jump-start requirements for 24 V systems. Its absolute maximum rating is 60 V on VSUP1/2 pins, and it sustains 58 V load dump without external protection.
What does the 'A0' suffix indicate in the MC33FS8530A0ES part number?
Per NXP documentation, the 'A0' suffix in MC33FS8530A0ES denotes a non-programmed OTP (one-time programmable) configuration. All device-specific settings - including regulator voltages, sequencing order, safety thresholds, and interface options - must be programmed post-manufacture using NXP's FS85_FS84_OTP_Config.xlsm tool or custom engineering support.
MC33FS8530A0ES 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)
MC33FS8530A0ES FAQ
1.How can I place an order for MC33FS8530A0ES through Aetrix?
Please submit a Request for Quotation (RFQ) for MC33FS8530A0ES 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 MC33FS8530A0ES reliable?
The price and inventory of MC33FS8530A0ES are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC33FS8530A0ES is usually 5 days.
3.What payment methods are accepted for MC33FS8530A0ES?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC33FS8530A0ES transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC33FS8530A0ES?
MC33FS8530A0ES orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC33FS8530A0ES 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 MC33FS8530A0ES?
For technical support, including MC33FS8530A0ES datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC33FS8530A0ES requirements.
6.How does Aetrix verify that MC33FS8530A0ES is sourced from the original manufacturer or authorized distributors?
All MC33FS8530A0ES 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 MC33FS8530A0ES meets industry standards.
7.What is the process for return or replacement of MC33FS8530A0ES?
All MC33FS8530A0ES units undergo pre-shipment inspection (PSI). If there is an issue with MC33FS8530A0ES, 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 MC33FS8530A0ES part is unused and in its original packaging.
Return procedure for MC33FS8530A0ES:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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