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NXP Semiconductors SPC5744PK1AMLQ8
- Part No.:
- SPC5744PK1AMLQ8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5744PK1AMLQ8.pdf
- Description:
- IC MCU 32BIT 2.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,721
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Product details
Overview
SPC5744PK1AMLQ8 from NXP Semiconductors is a 32-bit Power Architecture® MCU with dual e200z4 cores in delayed lock-step, certified for ISO 26262 ASIL-D chassis and safety-critical automotive applications. It integrates 2.5 MB ECC flash, 384 KB ECC SRAM, triple FlexCAN, dual FlexRay, Ethernet switching, and FCCU fault management - deployed in electric power steering (EPS), brake-by-wire, and active suspension control units.
For engineers reviewing the SPC5744PK1AMLQ8 datasheet, SPC5744PK1AMLQ8 pinout, SPC5744PK1AMLQ8 application, or SPC5744PK1AMLQ8 equivalent, this page delivers verified technical context, package-specific pin mapping (144LQFP, 0.5 mm pitch), functional safety architecture details, and real-world automotive use cases - all grounded in Rev. 6.1 (Nov 2017) official documentation.
Technical Context
The SPC5744PK1AMLQ8 implements a dual-core lock-step execution model with Harvard architecture, 8 KB instruction cache (EDC), 4 KB data cache (EDC), and 64 KB data local memory (ECC). Its safety subsystem includes Fault Collection and Control Unit (FCCU), Error Injection Module (EIM), and Nexus Level 3+ debug with Aurora high-speed trace.
It supports multiple clock sources: 8–40 MHz external crystal oscillator, 16 MHz internal RC oscillator, and two PLLs (main PLL + coupled FMPLL). Memory protection is enforced via Core MPU (24 regions) and System MPU (16 regions), while peripheral register protection prevents unauthorized access to safety-critical modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual e200z4 cores in delayed lock-step - enables hardware-level fault detection for ASIL-D compliance |
| Flash Memory | 2.5 MB with ECC and Read-While-Write (RWW) - supports safe firmware updates without system halt |
| SRAM | 384 KB with ECC - protects runtime data integrity in safety-critical control loops |
| FlexCAN Modules | 3 independent modules, each with 64 message buffers - enables redundant CAN communication paths |
| FlexRay | 1 module, dual-channel, 64-message buffer - meets deterministic timing requirements for chassis control |
| Junction Temperature | Rated to 150°C (standard) or 165°C (option) - validated for under-hood deployment in EPS and braking systems |
| Package | 144-pin LQFP, 20 mm × 20 mm, 0.5 mm pitch - compatible with standard automotive PCB assembly processes |
Pinout & Package
SPC5744PK1AMLQ8 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch), optimized for thermal performance and automotive board-level reliability. Pin assignments follow NXP's standardized SIUL2 multiplexing scheme with dedicated safety-critical signal routing.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| RESET_B (Pin 31) | Functional Reset Input | Active-low asynchronous reset - initiates full system reset including lock-step core synchronization |
| EXT_POR_B (Pin 130) | External Power-On Reset | Monitors external supply rail stability - ensures deterministic boot sequence after power ramp-up |
| VDD_LV_COR (Pins 18,35,40,71,93,131,135) | Low-Voltage Core Power | Supplies 3.3 V to CPU, caches, and MPU - requires local decoupling per NXP layout guidelines |
| VSS_LV_COR (Pins 17,35,40,71,94,96,132,137) | Low-Voltage Core Ground | Reference return path for core logic and PLL - isolated from I/O ground to minimize noise coupling |
| NMI_B (Pin 1) | Non-Maskable Interrupt | Hardware-triggered safety interrupt - bypasses normal interrupt masking for critical fault escalation |
Key Features
| Feature | Design Value |
|---|---|
| Fault Collection and Control Unit (FCCU) | Centralized monitoring of CPU, memory, and peripheral errors - triggers configurable fault responses (e.g., core isolation, safe state entry) |
| Delayed Lock-Step (DLS) Execution | Real-time comparison of dual e200z4 outputs - detects transient faults with sub-cycle latency for ASIL-D compliance |
| ECC Protection | End-to-end error correction on flash, SRAM, caches, and bus interfaces - prevents silent data corruption in safety-critical variables |
| Nexus Level 3+ Debug | Hardware-assisted trace with Aurora interface - enables non-intrusive runtime analysis of safety-critical software without affecting timing |
| Peripheral Register Protection | Write-protection on safety-relevant registers (e.g., FCCU, PIT, STM) - prevents accidental or malicious configuration changes |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor current control in column-assist and rack-assist EPS systems. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lock-step core verification and FCCU-managed fault handling. Use Value: Enables fail-operational behavior during single-point faults - maintains partial steering assist even after detected core or memory errors. |
Use Scenario: Closed-loop pressure control and valve actuation in electro-hydraulic brake (EHB) and electromechanical brake (EMB) systems. IC Role / Device Role / Timing Role: Safety-certified real-time controller managing dual CAN/FlexRay communication, PWM-driven solenoid drivers, and ADC-based pressure feedback. Use Value: Meets <100 µs end-to-end latency requirement for brake actuation while maintaining ASIL-D diagnostic coverage. |
| Active Suspension Control | Chassis Domain Controller |
Use Scenario: High-frequency road profile estimation and adaptive damping control using accelerometer and wheel speed inputs. IC Role / Device Role / Timing Role: Deterministic real-time processor running multi-axis sensor fusion and PID control loops with FlexRay-synchronized actuator commands. Use Value: Achieves <50 µs jitter on FlexRay message transmission - essential for coordinated suspension response across vehicle axles. |
Use Scenario: Centralized vehicle dynamics coordination integrating steering, braking, and suspension subsystems via CAN FD and Ethernet. IC Role / Device Role / Timing Role: Domain master controller with Ethernet switching capability, supporting time-sensitive networking (TSN) for cross-domain synchronization. Use Value: Integrates 3 FlexCAN, 1 FlexRay, and Ethernet switching in one ASIL-D-certified SoC - reduces inter-ECU wiring and BOM count. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5746C | Higher flash (4 MB), added HSE security engine, same 144LQFP package and DLS architecture | Better suited for OTA-capable gateways requiring secure boot and cryptographic acceleration | Select when hardware security (HSM, AES, SHA) and larger code space are required beyond SPC5744PK1AMLQ8 baseline |
| SPC58EC80E5 | Power Architecture e200z7 core, 8 MB flash, 1.5 MB SRAM, supports AUTOSAR OS 4.3+ | Targets next-gen zonal architectures with higher compute density and complex middleware stacks | Choose for new designs needing >200 MHz sustained performance, advanced virtualization, or AUTOSAR Adaptive readiness |
Compared with MPC5746C and SPC58EC80E5, the SPC5744PK1AMLQ8 provides optimal balance of ASIL-D certification, proven field reliability in EPS/braking, and cost-effective 144LQFP packaging - making it the preferred choice for volume production of chassis controllers where functional safety is mandatory but cryptographic or zonal compute expansion is not yet required.
Availability
SPC5744PK1AMLQ8 is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and active suspension systems requiring stable component supply, long-term automotive lifecycle support, and ISO 26262-compliant traceability.
Supply support for SPC5744PK1AMLQ8 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 focused on automotive, industrial, and IoT applications, with deep expertise in functional safety and secure processing.
The SPC5744PK1AMLQ8 belongs to NXP's SPC57 family of automotive MCUs, designed specifically for ASIL-D chassis control applications - emphasizing lock-step reliability, integrated safety peripherals, and automotive-grade thermal and EMC robustness.
FAQ
What is the maximum junction temperature rating for SPC5744PK1AMLQ8?
The SPC5744PK1AMLQ8 is rated for 150°C maximum junction temperature as standard; an optional 165°C variant is available with corresponding ambient temperature derating. This specification is validated per NXP Rev. 6.1 datasheet Section 3.2 and enables deployment in high-thermal-load locations such as EPS motor housings or brake control modules.
Does SPC5744PK1AMLQ8 support Ethernet switching functionality?
Yes, the SPC5744PK1AMLQ8 integrates a hardware Ethernet switch supporting IEEE 802.3 compliant MAC-layer bridging, VLAN tagging, and priority-based traffic shaping. This capability is documented in Section 3.19.8 of the Rev. 6.1 datasheet and is used in chassis domain controllers for time-coordinated communication between steering, braking, and suspension ECUs.
How many FlexCAN modules does SPC5744PK1AMLQ8 include, and what is their buffer capacity?
The SPC5744PK1AMLQ8 includes three independent FlexCAN modules, each with 64 message buffers. This configuration supports redundant CAN communication paths and concurrent handling of chassis, powertrain, and body network messages - confirmed in Table 1 (MPC5744P feature summary) of the Rev. 6.1 datasheet.
Is SPC5744PK1AMLQ8 pin-compatible with other members of the MPC574xP family?
No - the SPC5744PK1AMLQ8 uses a specific 144LQFP package with defined pinout per Figure 2 of the Rev. 6.1 datasheet. While functionally aligned with MPC5743P/MPC5742P, pin assignments differ due to varying peripheral integration and safety signal routing; PCB layout must be designed specifically for SPC5744PK1AMLQ8.
What debug interface does SPC5744PK1AMLQ8 support, and is Aurora trace available in the LQFP package?
The SPC5744PK1AMLQ8 supports Nexus Level 3+ debug with MDO/EVTI/EVTO/MCKO signals and Aurora high-speed trace interface. However, Aurora LVDS pins (TX0P/TX0N/TX1P/TX1N/CLKP/CLKN) are only available on the 257MAPBGA package (Section 2.2.4, Table 7); the 144LQFP package lacks Aurora physical layer support and relies on standard Nexus parallel trace.
SPC5744PK1AMLQ8 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:
- 180MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- 79
- Program Memory Size:
- 2.5MB (2.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 384K 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:
SPC5744PK1AMLQ8 FAQ
1.How can I place an order for SPC5744PK1AMLQ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5744PK1AMLQ8 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 SPC5744PK1AMLQ8 reliable?
The price and inventory of SPC5744PK1AMLQ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5744PK1AMLQ8 is usually 5 days.
3.What payment methods are accepted for SPC5744PK1AMLQ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5744PK1AMLQ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5744PK1AMLQ8?
SPC5744PK1AMLQ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5744PK1AMLQ8 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 SPC5744PK1AMLQ8?
For technical support, including SPC5744PK1AMLQ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5744PK1AMLQ8 requirements.
6.How does Aetrix verify that SPC5744PK1AMLQ8 is sourced from the original manufacturer or authorized distributors?
All SPC5744PK1AMLQ8 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 SPC5744PK1AMLQ8 meets industry standards.
7.What is the process for return or replacement of SPC5744PK1AMLQ8?
All SPC5744PK1AMLQ8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5744PK1AMLQ8, 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 SPC5744PK1AMLQ8 part is unused and in its original packaging.
Return procedure for SPC5744PK1AMLQ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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