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NXP Semiconductors SPC5744PFK1AKLQ8
- Part No.:
- SPC5744PFK1AKLQ8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5744PFK1AKLQ8.pdf
- Description:
- IC MCU 32BIT 2.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,264
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Product details
Overview
SPC5744PFK1AKLQ8 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 hardware fault collection (FCCU). Used in electric power steering (EPS), brake-by-wire, and active suspension control units.
For engineers reviewing the SPC5744PFK1AKLQ8 datasheet, SPC5744PFK1AKLQ8 pinout, SPC5744PFK1AKLQ8 application, or SPC5744PFK1AKLQ8 equivalent, key selection criteria include ASIL-D compliance evidence, junction temperature rating (150°C/165°C option), dual-core lock-step integrity, FCCU fault reporting capability, and LQFP-144 package compatibility with automotive PCB layout constraints.
Technical Context
The SPC5744PFK1AKLQ8 implements a Harvard architecture with 8 KB instruction cache (EDC) and 4 KB data cache (EDC), supporting VLE instruction set and embedded FPU. Its clocking system includes one PLL + one coupled FMPLL, 16 MHz internal RC oscillator, and external crystal support from 8–40 MHz.
It features three eTimer modules (6 channels total), two FlexPWM modules (4 × (2+1) channels), four 12-bit ADCs (25 external channels), SENT interface (2 modules), and Nexus Level 3+ debug with Aurora high-speed trace - all designed to meet deterministic timing and diagnostic coverage requirements of ASIL-D systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual e200z4 cores in delayed lock-step for ASIL-D fault containment |
| Max Operating Frequency | 200 MHz (+2% frequency modulation enabled) |
| Flash Memory | 2.5 MB code/data flash with ECC and Read-While-Write (RWW) capability |
| SRAM | 384 KB on-chip SRAM with ECC protection |
| Junction Temperature Range | -40°C to +150°C standard; optional +165°C variant confirmed in datasheet Rev. 6.1 |
| Package | LQFP-144, 0.5 mm pitch, 20 mm × 20 mm outline |
| Automotive Safety Certification | ISO 26262 ASIL-D compliant per SafeAssure solution documentation |
Pinout & Package
LQFP-144 package with 0.5 mm pitch, 20 mm × 20 mm body size, and exposed thermal pad. Pin 1 marked by dot; pins numbered counter-clockwise.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 31 (RESET_B) | Functional Reset Input | Active-low asynchronous reset signal; weak pull-down at startup and during reset |
| 130 (EXT_POR_B) | External Power-On Reset Input | Active-low POR input for system-level reset coordination; weak pull-down state |
| 29 (XTAL) / 30 (EXTAL) | Oscillator Interface | Differential crystal oscillator inputs supporting 8–40 MHz crystals or external clock source |
| 18, 35, 36, 70, 93, 131, 135 (VDD_LV_COR / VSS_LV_COR) | Core Power/Ground | Multiple dedicated low-voltage core supply (3.3 V) and ground pins for noise isolation and current distribution |
| 6, 21, 72, 91, 126 (VDD_HV_IO) | I/O Power Supply | High-voltage I/O rail (3.3 V) with decoupling support; separate from core domain for robustness |
Key Features
| Feature | Design Value |
|---|---|
| Fault Control and Collection Unit (FCCU) | Hardware-monitored fault reporting engine with configurable error injection and fault status registers for ASIL-D diagnostics |
| Cross Triggering Unit (CTU) | Two independent CTU modules enabling precise synchronization between ADC conversions, PWM events, and timer captures |
| FlexRay Communication | Single dual-channel FlexRay module with 64 message buffers, supporting time-triggered communication up to 10 Mbps |
| SENT Interface | Two SENT modules (2 channels each) for direct connection to pressure, position, and temperature sensors with CRC and wake-up support |
| Nexus Level 3+ Debug | Full Aurora high-speed trace interface (LVDS) with MDO/EVTI/CLKP/CLKN pins on BGA; JTAG/Nexus on LQFP via TCK/TMS/TDI/TDO |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
|
Use Scenario: Real-time torque assist calculation and motor phase control under dynamic load conditions with fail-operational redundancy. IC Role / Device Role / Timing Role: Primary ASIL-D safety controller executing sensor fusion, PID loop closure, and dual-core lock-step monitoring. Use Value: 200 MHz deterministic execution, FCCU fault logging, and dual FlexCAN interfaces enable redundant CAN bus communication for actuator command validation. |
Use Scenario: Coordinating hydraulic valve actuation, wheel speed feedback, and vehicle dynamics arbitration in autonomous emergency braking. IC Role / Device Role / Timing Role: Central safety controller managing brake pressure modulation, cross-channel comparison, and safe state transition logic. Use Value: Triple FlexCAN + dual FlexRay allows simultaneous communication with ABS, ESC, and ADAS ECUs while maintaining <10 µs interrupt latency for critical fault responses. |
| Active Suspension System | Chassis Domain Controller |
|
Use Scenario: High-frequency road profile sampling, real-time damping force computation, and adaptive ride height adjustment across four corners. IC Role / Device Role / Timing Role: Deterministic real-time controller with synchronized ADC sampling and PWM output generation for electromagnetic actuators. Use Value: Four 12-bit ADC modules (25 external channels) and three eTimer modules provide concurrent analog acquisition and precise PWM edge placement for coil current control. |
Use Scenario: Aggregating signals from radar, camera, ultrasonic, and inertial sensors to compute vehicle motion state and coordinate chassis subsystems. IC Role / Device Role / Timing Role: High-integrity domain master with hardware-enforced memory protection (MPU), ECC memory, and time-synchronized peripheral triggering. Use Value: 384 KB ECC SRAM and 2.5 MB ECC flash ensure data integrity across boot, runtime, and OTA update cycles; CTU enables sub-microsecond timestamp correlation across sensor inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5743PFK1AKLQ8 | 2.0 MB flash, 256 KB SRAM, same ASIL-D certification and pinout | Suitable for cost-optimized EPS or lower-complexity brake modules with reduced firmware footprint | Select when full 2.5 MB flash is not required and BOM cost reduction is prioritized without sacrificing safety compliance |
| SPC5746CFK1AKLQ8 | Same LQFP-144 package, adds Ethernet MAC (10/100BASE-TX), removes FlexRay, retains triple FlexCAN and ASIL-D | Better suited for zonal architecture gateways requiring Ethernet backbone connectivity over FlexRay | Choose for next-gen chassis controllers needing Ethernet-based OTA updates and centralized diagnostics instead of legacy FlexRay networks |
Compared with MPC5743PFK1AKLQ8 and SPC5746CFK1AKLQ8, the SPC5744PFK1AKLQ8 uniquely balances maximum flash/SRAM capacity with FlexRay support-making it optimal for legacy and hybrid chassis networks where FlexRay coexists with CAN FD and LIN.
Availability
SPC5744PFK1AKLQ8 is available at Aetrix Electronics and suitable for electric power steering (EPS), brake-by-wire, and active suspension systems requiring stable component supply across extended automotive production lifecycles.
Supply support for SPC5744PFK1AKLQ8 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 secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and ASIL-certified microcontrollers.
The SPC5744PFK1AKLQ8 belongs to NXP's SPC57x family of automotive MCUs, engineered specifically for chassis and safety-critical applications demanding ISO 26262 ASIL-D compliance, high computational throughput, and integrated hardware safety mechanisms.
FAQ
What is the maximum junction temperature rating for SPC5744PFK1AKLQ8?
The SPC5744PFK1AKLQ8 supports two junction temperature grades: standard -40°C to +150°C and an optional -40°C to +165°C variant. The 165°C option is explicitly documented in the MPC5744P Data Sheet Rev. 6.1, Section 3.2, and requires specific device marking confirmation. This higher grade enables operation in under-hood environments with elevated thermal stress.
Does SPC5744PFK1AKLQ8 support hardware-based ASIL-D compliance?
Yes, the SPC5744PFK1AKLQ8 is part of NXP's SafeAssure program and provides hardware-enforced ASIL-D capabilities including dual e200z4 cores in delayed lock-step, ECC on flash and SRAM, FCCU for fault detection and collection, and lock-step eDMA channels. These features are validated per ISO 26262 requirements and documented in the functional safety manual.
Which communication interfaces are integrated into SPC5744PFK1AKLQ8?
The SPC5744PFK1AKLQ8 integrates triple FlexCAN modules (64 message buffers each), one dual-channel FlexRay module (64 message buffers), four SPI modules, two LINFlexD (UART/LIN) modules, two SENT modules (2 channels each), and Ethernet switching capability. All interfaces support ASIL-D diagnostic coverage through built-in CRC, timeout detection, and error flagging.
Is SPC5744PFK1AKLQ8 pin-compatible with other members of the MPC574xP family?
Yes, the SPC5744PFK1AKLQ8 in LQFP-144 package shares identical pinout and footprint with MPC5743P, MPC5742P, and MPC5741P variants. This enables scalable design reuse across product tiers-e.g., upgrading from MPC5743PFK1AKLQ8 to SPC5744PFK1AKLQ8 requires only firmware and BOM changes, no PCB redesign.
What debug and trace capabilities does SPC5744PFK1AKLQ8 provide?
The SPC5744PFK1AKLQ8 supports Nexus Level 3+ debug with Aurora high-speed trace interface (LVDS), MDO/EVTI/CLKP/CLKN signals, and standard JTAG (TCK/TMS/TDI/TDO). On LQFP-144, trace bandwidth is limited to Nexus 3+, while full Aurora trace requires the MAPBGA variant-but all debug functionality remains accessible via standard tools like Lauterbach TRACE32 and iSystem winIDEA.
SPC5744PFK1AKLQ8 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 ~ 135°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5744PFK1AKLQ8 FAQ
1.How can I place an order for SPC5744PFK1AKLQ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5744PFK1AKLQ8 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 SPC5744PFK1AKLQ8 reliable?
The price and inventory of SPC5744PFK1AKLQ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5744PFK1AKLQ8 is usually 5 days.
3.What payment methods are accepted for SPC5744PFK1AKLQ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5744PFK1AKLQ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5744PFK1AKLQ8?
SPC5744PFK1AKLQ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5744PFK1AKLQ8 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 SPC5744PFK1AKLQ8?
For technical support, including SPC5744PFK1AKLQ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5744PFK1AKLQ8 requirements.
6.How does Aetrix verify that SPC5744PFK1AKLQ8 is sourced from the original manufacturer or authorized distributors?
All SPC5744PFK1AKLQ8 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 SPC5744PFK1AKLQ8 meets industry standards.
7.What is the process for return or replacement of SPC5744PFK1AKLQ8?
All SPC5744PFK1AKLQ8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5744PFK1AKLQ8, 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 SPC5744PFK1AKLQ8 part is unused and in its original packaging.
Return procedure for SPC5744PFK1AKLQ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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