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NXP Semiconductors SPC5742PFK1AKLQ5
- Part No.:
- SPC5742PFK1AKLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PFK1AKLQ5.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,832
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Product details
Overview
SPC5742PFK1AKLQ5 from NXP is a dual-core Power Architecture® automotive microcontroller with two e200z4 cores in delayed lockstep, operating up to 200 MHz, featuring 1.5 MB flash, 192 KB SRAM, and AEC-Q100 qualification for operation up to 125°C ambient. It integrates FlexCAN, FlexRay, LINFlexD, SENT, DSPI, Ethernet, and safety mechanisms including core/DMA lockstep and end-to-end ECC.
For engineers reviewing the SPC5742PFK1AKLQ5 datasheet, SPC5742PFK1AKLQ5 pinout, SPC5742PFK1AKLQ5 application, or SPC5742PFK1AKLQ5 equivalent, this part supports ASIL D–compliant safety domain control, electric power steering, and braking/stability systems requiring deterministic real-time execution, functional safety certification evidence, and multi-protocol automotive communication interfaces.
Technical Context
The SPC5742PFK1AKLQ5 implements dual e200z4 cores executing in delayed lockstep with embedded floating-point unit and 32-channel eDMA also in lockstep-enabling hardware-level fault detection for ISO 26262 ASIL D compliance. 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 2+1 channels), four 12-bit ADCs (16-channel total), and safety monitoring via FCCU, LBIST/MBIST, and ADC self-test-all operating across −40°C to 125°C ambient.
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 response for safety-critical motor control loops |
| Flash Memory | 1.5 MB with I/D ECC - supports secure boot, firmware updates, and redundancy for safety code storage |
| SRAM | 192 KB with address/data ECC - provides error-corrected data workspace for safety-critical variables and stack |
| Operating Temp | −40°C to 125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood automotive deployment |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rail and regulated 3.3 V domains |
| Safety Features | Core/DMA lockstep, e2eECC, duplicate peripherals, FCCU, LBIST/MBIST, ADC self-test - fulfills ISO 26262 ASIL D requirements |
Pinout & Package
SPC5742PFK1AKLQ5 is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per MPC574xPFS REV 3, supporting dedicated safety-relevant signals including lockstep core debug, FCCU fault outputs, and dual FlexRay transceiver interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO | I/O supply rail | Supplies 3.3 V to all digital I/O banks; requires local decoupling for EMC robustness |
| VDD_CORE | Core voltage rail | Supplies regulated 1.2 V to CPU cores and cache; monitored by on-die voltage supervisor |
| VRST_B | Reset input (active-low) | Asynchronous reset assertion initiates full system reset including safety monitors and lockstep alignment |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Enables ASIL D-compliant runtime debugging, trace, and safety verification without disabling lockstep |
| FLEXRAY_A_TX/RX | FlexRay channel A differential pair | Supports time-triggered communication at 10 Mbps for safety domain coordination |
| FLEXRAY_B_TX/RX | FlexRay channel B differential pair | Provides redundant communication path for fail-operational architectures |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-enforced instruction-level comparison detects transient faults in real time for ASIL D compliance |
| End-to-end ECC on flash and SRAM | Corrects single-bit errors and detects double-bit errors in both instruction and data paths |
| FlexRay dual-channel support | Enables time-synchronized, fault-tolerant communication for brake-by-wire and steer-by-wire systems |
| SENT and LINFlexD interfaces | Direct sensor interfacing (e.g., position, pressure) and legacy LIN bus integration without external translators |
| FCCU and safety monitor suite | Centralized fault collection, classification, and response coordination per ISO 26262 Part 5 requirements |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor current control during steering maneuvers, with fail-safe torque reduction on fault detection. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL D motor control algorithms, managing FlexPWM outputs and SENT-based torque sensor inputs. Use Value: Dual lockstep cores and e2eECC ensure uninterrupted torque assist within <100 µs latency while meeting ISO 26262 ASIL D FMEDA targets. | Use Scenario: High-integrity crash event detection, pyrotechnic trigger sequencing, and occupant classification using multi-axis accelerometers and seat sensors. IC Role / Device Role / Timing Role: Safety domain controller handling ADC sampling, CAN message arbitration, and FCCU-managed fault escalation for airbag deployment decisions. Use Value: On-chip ADC self-test and LBIST/MBIST enable periodic safety validation without external test equipment, reducing system-level diagnostic coverage gaps. |
| Braking & Stability Control | Adaptive Cruise Control (ACC) |
Use Scenario: Coordinating ABS, ESC, and AEB functions using wheel speed, yaw rate, and hydraulic pressure feedback. IC Role / Device Role / Timing Role: Central safety processor running ASIL D control laws, communicating over FlexCAN and FlexRay with brake ECU and sensor nodes. Use Value: Dual FlexRay channels provide redundant, deterministic communication for brake actuation commands with <50 µs jitter tolerance. | Use Scenario: Processing radar and camera fusion data, calculating inter-vehicle distance, and commanding throttle/brake actuators in real time. IC Role / Device Role / Timing Role: Safety-aware host controller managing LINFlexD for radar interface, DSPI for camera sensor, and FlexCAN for vehicle network coordination. Use Value: 200 MHz clock and hardware FPU accelerate sensor fusion math, enabling sub-10 ms loop times for ACC intervention decisions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PFK1AKLQ5 | 2.5 MB flash, 384 KB SRAM, same package and pinout | Supports larger safety firmware images and more complex ASIL D software stacks | Select when extended memory is required for multi-domain control or OTA update partitions |
| SPC5743PFK1AKLQ5 | 2 MB flash, 256 KB SRAM, identical safety architecture and peripheral set | Offers intermediate memory capacity for cost-sensitive ASIL D applications like active suspension | Choose for balanced memory footprint and BOM cost in mid-tier safety ECUs |
Compared with SPC5742PFK1AKLQ5, the SPC5744P provides greater flash/SRAM for complex safety stacks, while the SPC5743P offers incremental memory scaling-both retain identical safety mechanisms, lockstep timing, and automotive temperature range, enabling reuse of safety documentation and qualification artifacts.
Availability
SPC5742PFK1AKLQ5 is available at Aetrix Electronics and suitable for electric power steering, airbag control, and braking/stability systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant traceability.
Supply support for SPC5742PFK1AKLQ5 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 Power Architecture®-based MCUs engineered specifically for ASIL D–compliant automotive safety domains-including EPS, airbag, and chassis control-with integrated lockstep cores, safety monitors, and automotive-grade peripheral sets.
FAQ
What is the maximum operating temperature for SPC5742PFK1AKLQ5?
The SPC5742PFK1AKLQ5 is rated for operation from −40°C to +125°C ambient temperature and is qualified per AEC-Q100 Grade 1. This specification is confirmed in the MPC574xPFS REV 3 datasheet and applies to the SPC5742PFK1AKLQ5 in its 144 LQFP package. Thermal derating is not required within this range when PCB layout follows NXP's recommended copper pour and via guidelines.
Does SPC5742PFK1AKLQ5 support ISO 26262 ASIL D compliance out of the box?
The SPC5742PFK1AKLQ5 is architected to support ISO 26262 ASIL D compliance through hardware features including dual e200z4 lockstep cores, end-to-end ECC on flash and SRAM, FCCU, LBIST/MBIST, and ADC self-test. However, achieving full ASIL D certification requires proper software integration, safety analysis, and tool qualification-NXP provides safety manuals and FMEDA reports to support this process for the SPC5742PFK1AKLQ5.
What communication interfaces are integrated into SPC5742PFK1AKLQ5?
The SPC5742PFK1AKLQ5 integrates FlexCAN (3 channels), FlexRay (2 channels), LINFlexD (2 channels), DSPI (4 modules), SENT (4 receivers), Ethernet (10/100 Mbps), and SIPI/LFAST 3G IF. All interfaces are accessible in the 144 LQFP package and operate across the full −40°C to 125°C temperature range. No external transceivers are needed for basic FlexCAN or LIN operation.
Is SPC5742PFK1AKLQ5 pin-compatible with other MPC574xP variants?
Yes-the SPC5742PFK1AKLQ5 shares identical 144 LQFP pinout and signal mapping with SPC5741P, SPC5743P, and SPC5744P in the same package variant. This allows direct PCB reuse across memory-graded variants. The BGA variant (257-ball) is also pin-compatible but requires separate layout due to different footprint and thermal pad configuration.
What development tools are supported for SPC5742PFK1AKLQ5?
SPC5742PFK1AKLQ5 is supported by NXP's S32DS IDE with GCC and S32 SDK, Green Hills MULTI and Wind River Workbench compilers, and Lauterbach TRACE32, iSystem winIDEA, and PLS UDE debuggers. Hardware evaluation uses the MPC574xP mother board with daughter adapter boards, and runtime software includes certified Flash/EEPROM drivers compliant with ASIL D requirements.
SPC5742PFK1AKLQ5 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:
- 150MHz
- 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 ~ 135°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5742PFK1AKLQ5 FAQ
1.How can I place an order for SPC5742PFK1AKLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PFK1AKLQ5 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 SPC5742PFK1AKLQ5 reliable?
The price and inventory of SPC5742PFK1AKLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PFK1AKLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5742PFK1AKLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PFK1AKLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PFK1AKLQ5?
SPC5742PFK1AKLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PFK1AKLQ5 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 SPC5742PFK1AKLQ5?
For technical support, including SPC5742PFK1AKLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PFK1AKLQ5 requirements.
6.How does Aetrix verify that SPC5742PFK1AKLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5742PFK1AKLQ5 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 SPC5742PFK1AKLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5742PFK1AKLQ5?
All SPC5742PFK1AKLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PFK1AKLQ5, 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 SPC5742PFK1AKLQ5 part is unused and in its original packaging.
Return procedure for SPC5742PFK1AKLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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