NXP Semiconductors SPC5742PFK1AMLQ9
- Part No.:
- SPC5742PFK1AMLQ9
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PFK1AMLQ9.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SPC5742PFK1AMLQ9 from NXP is an automotive-grade Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, 1.5 MB flash, 192 KB SRAM, and integrated FlexCAN, FlexRay, SENT, LINFlexD, DSPI, and Ethernet interfaces-designed for safety-critical motor control in electric power steering systems.
For engineers reviewing the SPC5742PFK1AMLQ9 datasheet, SPC5742PFK1AMLQ9 pinout, SPC5742PFK1AMLQ9 application, or SPC5742PFK1AMLQ9 equivalent, key selection criteria include ASIL-D functional safety support, dual-core lockstep execution, end-to-end ECC memory protection, and automotive temperature range (−40°C to 125°C) compliance.
Technical Context
The SPC5742PFK1AMLQ9 implements two e200z4 cores in delayed lockstep with embedded floating-point unit and 32-channel eDMA also in lockstep, enabling real-time fault detection per ISO 26262 ASIL-D requirements. Memory subsystem includes 1.5 MB on-chip flash with instruction/data ECC and 192 KB SRAM with address/data ECC.
Peripheral integration includes dual-channel FlexRay™, three FlexCAN controllers, four SENT receivers, four DSPI modules, two FlexPWM units (each with 4×(2+1) channels), four 12-bit ADCs (16-channel total), and safety monitoring via FCCU, LBIST/MBIST, and ADC self-test.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in delayed lockstep for ASIL-D fault containment |
| Max Clock Speed | 200 MHz - enables deterministic real-time control loop execution in EPS and braking systems |
| Flash Memory | 1.5 MB with I/D ECC - supports secure boot, firmware redundancy, and safe over-the-air updates |
| SRAM | 192 KB with A/D ECC - provides protected data storage for safety-critical variables and stack operations |
| Operating Temperature | −40°C to 125°C - qualified for under-hood automotive environments per AEC-Q100 Grade 1 |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rail and noise-tolerant operation |
| Safety Certification | ISO 26262 ASIL-D and IEC 61508 SIL3 ready - includes core/DMA lockstep, duplicate peripherals, and FCCU |
Pinout & Package
SPC5742PFK1AMLQ9 is packaged in a 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) with thermal pad. Pin assignment follows NXP's MPC574xP family layout, supporting dedicated safety-critical signal routing including lockstep core debug, FlexRay differential pairs, FlexCAN TX/RX, SENT inputs, and isolated ADC reference paths.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_IO | Analog & I/O supply | Independent 3.3 V domains enable noise isolation between analog sensing and digital logic |
| VRH, VRL | ADC reference high/low | External precision reference inputs for 12-bit ADC accuracy under EMI stress |
| FRAY_TXP/N, FRAY_RXP/N | FlexRay differential pair | Dedicated high-speed differential pins with internal termination for deterministic 10 Mbps bus timing |
| CAN0_TX, CAN0_RX | FlexCAN channel 0 interface | 5 V-tolerant, slew-rate controlled outputs compliant with ISO 11898-2 physical layer |
| SENT0–SENT3 | SENT receiver inputs | Four independent SENT decoders supporting 1–32 bit message formats for sensor fusion |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Secure, time-stamped trace and lockstep core visibility for ASIL-D validation |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-level fault detection with cycle-accurate comparison, eliminating need for software-based voting |
| End-to-end ECC (flash + SRAM) | Single-bit error correction and double-bit error detection across entire memory subsystem |
| FlexRay v2.1A dual-channel | Supports time-triggered communication with guaranteed latency for active suspension and brake-by-wire |
| Four 12-bit ADCs (16 ch) | Simultaneous sampling across multiple sensors (e.g., torque + position + current) with <1 µs inter-channel skew |
| FCCU with configurable safety states | Centralized fault collection and response coordination across CPU, memory, and peripherals per ASIL-D flow |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and fail-safe motor actuation during steering maneuvers. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep core verification. Use Value: Dual-core lockstep and eDMA ensure deterministic 100 µs control loop timing while detecting transient faults before actuator misfire. | Use Scenario: High-integrity crash event detection, pyrotechnic trigger sequencing, and occupant classification fusion. IC Role / Device Role / Timing Role: Safety domain controller managing redundant sensor inputs (accelerometers, pressure, seat sensors) and certified output drivers. Use Value: FCCU-coordinated LBIST/MBIST and ADC self-test validate hardware integrity prior to every deployment cycle. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of high-voltage traction inverters with functional safety monitoring. IC Role / Device Role / Timing Role: Fault-tolerant motor controller interfacing with gate drivers via isolated PWM and reading current/voltage feedback via SENT/ADC. Use Value: SENT receivers decode sensor data at 125 kbps with CRC, while FlexPWM delivers precise dead-time-controlled gate signals. | Use Scenario: Sensor fusion and longitudinal vehicle control using radar, camera, and vehicle network inputs. IC Role / Device Role / Timing Role: Domain controller aggregating FlexCAN, Ethernet, and LINFlexD data with ASIL-B decomposition support. Use Value: Three FlexCAN interfaces handle chassis, powertrain, and ADAS networks concurrently without CPU intervention via eDMA. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PFK1AMLQ9 | 2.5 MB flash, 384 KB SRAM, same package and pinout - higher memory capacity for complex AUTOSAR stacks | Preferred for full-featured EPS with OTA update capability and multi-layer diagnostics | Select when >1.5 MB code space required and ASIL-D runtime footprint exceeds SPC5742P limits |
| SPC5743PFK1AMLQ9 | 2 MB flash, 256 KB SRAM, identical safety architecture and peripheral set - intermediate memory tier | Used in airbag controllers requiring extended diagnostic logging but not full EPS complexity | Choose for balanced cost/performance where 1.5 MB flash is insufficient but 2.5 MB is over-provisioned |
Compared with SPC5742PFK1AMLQ9, the SPC5744P offers greater firmware headroom for future feature expansion, while the SPC5743P provides incremental memory scaling-both retain identical safety mechanisms, lockstep execution, and automotive qualification, making them drop-in replacements in compatible PCB layouts.
Availability
SPC5742PFK1AMLQ9 is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and safety motor controller designs requiring stable component supply across long automotive production lifecycles.
Supply support for SPC5742PFK1AMLQ9 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 headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The MPC574xP product line delivers ASIL-D–ready Power Architecture MCUs optimized for safety-critical automotive domain controllers-including EPS, braking, and active suspension-with integrated lockstep cores, ECC memory, and automotive-qualified peripherals.
FAQ
What is the maximum operating temperature rating for SPC5742PFK1AMLQ9?
The SPC5742PFK1AMLQ9 is rated for operation from −40°C to +125°C ambient temperature and qualified to AEC-Q100 Grade 1. This specification is confirmed in the official MPC574xP Family Specification document (REV 3), and applies to all variants in the SPC5742P series including SPC5742PFK1AMLQ9. The device supports junction temperatures up to 135°C under defined thermal conditions.
Does SPC5742PFK1AMLQ9 support Ethernet connectivity?
Yes, SPC5742PFK1AMLQ9 integrates a 10/100 Mbps Ethernet MAC with RMII interface, enabling time-sensitive networking for ADAS domain controllers. The Ethernet module supports IEEE 802.3, checksum offload, and DMA-accelerated packet handling. It is documented in the MPC574xP Block Diagram and peripheral summary tables, and is present across all SPC5742P, SPC5743P, and SPC5744P variants.
Is SPC5742PFK1AMLQ9 pin-compatible with other MPC574xP family members?
Yes, SPC5742PFK1AMLQ9 shares identical 144-pin LQFP and 257-ball BGA footprints with SPC5741P, SPC5743P, and SPC5744P. Pin functions-including FlexRay, FlexCAN, SENT, and ADC-are fully aligned across the family. This allows hardware reuse across memory-tier variants, provided PCB layout accommodates the shared package outline and thermal pad.
What safety certifications does SPC5742PFK1AMLQ9 target?
SPC5742PFK1AMLQ9 is designed to support ISO 26262 ASIL-D and IEC 61508 SIL3 functional safety standards. Key enablers include dual e200z4 lockstep cores, end-to-end ECC on flash and SRAM, duplicate peripherals, FCCU, and built-in self-test (LBIST/MBIST). These capabilities are validated in NXP's SafeAssure program documentation and referenced in the MPC574xP Functional Safety Manual.
Which development tools are supported for SPC5742PFK1AMLQ9?
SPC5742PFK1AMLQ9 is supported by NXP's S32DS IDE with Green Hills MULTI and Wind River Diab compilers, Lauterbach TRACE32 and iSystem winIDEA debuggers, and the MPC574xP Motherboard evaluation platform. Runtime software includes NXP's Flash and EEPROM drivers, and safety libraries certified for ASIL-D use. All tools are listed in the "Enablement Tools" section of the MPC574xP One-Sheet.
SPC5742PFK1AMLQ9 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- MPC57xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- e200z4
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 200MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K x 8
- Voltage - Supply (Vcc/Vdd):
- 3.15V ~ 5.5V
- Data Converters:
- A/D 64x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5742PFK1AMLQ9 FAQ
1.How can I place an order for SPC5742PFK1AMLQ9 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PFK1AMLQ9 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 SPC5742PFK1AMLQ9 reliable?
The price and inventory of SPC5742PFK1AMLQ9 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PFK1AMLQ9 is usually 5 days.
3.What payment methods are accepted for SPC5742PFK1AMLQ9?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PFK1AMLQ9 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PFK1AMLQ9?
SPC5742PFK1AMLQ9 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PFK1AMLQ9 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 SPC5742PFK1AMLQ9?
For technical support, including SPC5742PFK1AMLQ9 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PFK1AMLQ9 requirements.
6.How does Aetrix verify that SPC5742PFK1AMLQ9 is sourced from the original manufacturer or authorized distributors?
All SPC5742PFK1AMLQ9 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 SPC5742PFK1AMLQ9 meets industry standards.
7.What is the process for return or replacement of SPC5742PFK1AMLQ9?
All SPC5742PFK1AMLQ9 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PFK1AMLQ9, 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 SPC5742PFK1AMLQ9 part is unused and in its original packaging.
Return procedure for SPC5742PFK1AMLQ9:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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