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NXP Semiconductors SPC5744PK1AMLQ5
- Part No.:
- SPC5744PK1AMLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5744PK1AMLQ5.pdf
- Description:
- IC MCU 32BIT 2.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,151
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Product details
Overview
SPC5744PK1AMLQ5 from NXP Semiconductors is a 32-bit Power Architecture® MCU designed for ASIL-D automotive chassis and safety-critical systems. It integrates dual e200z4 cores in delayed lock-step, 2.5 MB ECC flash, 384 KB ECC SRAM, FlexRay, 3x FlexCAN, 2x LINFlexD, and FCCU for fault collection-deployed in electric power steering (EPS) and brake-by-wire control units.
For engineers reviewing the SPC5744PK1AMLQ5 datasheet, SPC5744PK1AMLQ5 pinout, SPC5744PK1AMLQ5 application, or SPC5744PK1AMLQ5 equivalent, key selection criteria include ASIL-D compliance evidence, junction temperature rating (150°C/165°C option), dual-core lock-step behavior, flash RWW capability, and 144-pin LQFP mechanical compatibility with automotive PCB thermal constraints.
Technical Context
The SPC5744PK1AMLQ5 implements a Harvard architecture with 8 KB instruction cache (EDC) and 4 KB data cache (EDC), supporting VLE instruction set and embedded FPU. Its safety architecture includes Fault Collection and Control Unit (FCCU), Error Injection Module (EIM), and System Memory Protection Unit (16 regions) to enforce memory isolation across safety partitions.
Timing subsystems comprise one PLL + one coupled FMPLL, 16 MHz internal RC oscillator, and external crystal support (8–40 MHz). Peripheral clocking is managed via MC_CGM with configurable dividers, while debug uses Nexus Level 3+ with Aurora high-speed trace over LVDS on BGA packages-though SPC5744PK1AMLQ5 uses LQFP and omits Aurora pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual e200z4 cores in delayed lock-step for ASIL-D fault detection |
| Flash Memory | 2.5 MB with ECC and Read-While-Write (RWW) for safe firmware updates |
| SRAM | 384 KB with ECC for safety-critical data storage and stack protection |
| Junction Temp | Rated to 150°C (standard); 165°C option available per device marking |
| Package | 144-pin LQFP, 0.5 mm pitch, 20 mm × 20 mm outline, RoHS-compliant |
| Automotive Safety | ISO 26262 ASIL-D compliant; SafeAssure certified with FCCU and EIM |
| Communication | 1× FlexRay (64 msg buf), 3× FlexCAN (64 msg buf each), 2× LINFlexD, 4× SPI |
Pinout & Package
SPC5744PK1AMLQ5 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's standardized SIUL2 I/O muxing scheme, supporting GPIO, peripheral functions (CAN, LIN, SPI, eTimer, FlexPWM), and dedicated safety/debug signals including EXT_POR_B, RESET_B, FCCU_F[0]/F[1], and Nexus MDO/EVTO/MSEO.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 31 (RESET_B) | Functional Reset Input | Active-low asynchronous reset; weak pull-down at startup; drives system-wide reset sequence |
| 130 (EXT_POR_B) | External Power-On Reset | Monitors external supply rail; initiates POR when voltage crosses threshold |
| 1 (NMI_B) | Non-Maskable Interrupt | Dedicated safety-critical interrupt input; cannot be disabled by software |
| 29 (XTAL) / 30 (EXTAL) | Oscillator Interface | Connects to 8–40 MHz crystal or external clock source for main system timing |
| 38 (FCCU_F[0]) / 141 (FCCU_F[1]) | Fault Collection Outputs | Open-drain status signals indicating detected faults (e.g., core mismatch, memory error) |
| 86–89 (TDI/TDO/TMS/TCK) | JTAG Debug Interface | IEEE 1149.1 boundary-scan and Nexus debug access; TDO hi-z during reset |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lock-step execution | Real-time hardware comparison of e200z4 outputs detects transient/core faults within one cycle |
| ECC-protected memory subsystem | 2.5 MB flash + 384 KB SRAM with single-bit correction/double-bit detection prevents silent data corruption |
| Fault Collection and Control Unit (FCCU) | Aggregates and prioritizes faults from CPU, memory, peripherals; triggers safe state transitions |
| Read-While-Write (RWW) flash | Enables concurrent code execution from one bank while programming another-critical for OTA updates |
| Flexible peripheral muxing (SIUL2) | Each GPIO supports up to 16 alternate functions via MSCR/IMCR; enables pin reuse without redesign |
| ASIL-D ready safety mechanisms | Includes EIM, memory protection unit, watchdog timers (PIT/STM/SWT), and Nexus trace for verification |
Applications
| Electric Power Steering (EPS) | Brake-by-Wire Control Unit |
|---|---|
|
Use Scenario: Real-time torque assist calculation and motor phase control under dynamic road loads and fault conditions. IC Role / Device Role / Timing Role: Primary ASIL-D controller executing safety-managed motor control algorithms with lock-step core validation. Use Value: 200 MHz execution speed and 12-bit ADC (25-channel) enable sub-100 µs current loop response with sensor fusion. |
Use Scenario: Redundant hydraulic pressure modulation and fail-operational braking logic in autonomous driving systems. IC Role / Device Role / Timing Role: Safety coordinator managing dual independent actuator channels with cross-monitoring via FCCU and FlexRay. Use Value: FlexRay dual-channel interface ensures deterministic <10 µs latency for distributed brake node synchronization. |
| Advanced Driver Assistance Systems (ADAS) Domain Controller | Vehicle Dynamics Control (VDC) Module |
|
Use Scenario: Sensor preprocessing and actuator arbitration across radar, camera, and ultrasonic inputs in AEB/ACC systems. IC Role / Device Role / Timing Role: High-integrity compute node interfacing with CAN FD backbone and LIN sensors using 3x FlexCAN modules. Use Value: 384 KB ECC SRAM supports real-time buffer storage for multi-sensor timestamp alignment and fusion. |
Use Scenario: Integrated yaw rate, lateral acceleration, and wheel speed processing for stability control and traction management. IC Role / Device Role / Timing Role: Time-triggered scheduler running ISO 26262 Part 6-compliant control tasks with STM/PIT timer precision. Use Value: Dual e200z4 cores allow separation of control law computation (core 0) and safety monitoring (core 1) with zero shared memory. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MPC5743PK1AMLQ5 | 2.0 MB flash, 256 KB SRAM, same core, package, and safety features | Suitable for lower-complexity EPS or airbag controllers where full 2.5 MB flash is unnecessary | Select when firmware footprint is ≤2 MB and cost optimization is prioritized without sacrificing ASIL-D certification |
| SPC5746CK1AMLQ5 | Same 2.5 MB flash/SRAM, adds Ethernet switch (100BASE-T1), removes FlexRay | Better fit for zonal architectures requiring time-sensitive networking instead of FlexRay backbone | Choose when migrating from FlexRay to Automotive Ethernet and requiring IEEE 802.1Qbv time-aware shaping |
Compared with SPC5744PK1AMLQ5, MPC5743PK1AMLQ5 reduces memory capacity but retains identical safety architecture and pinout-ideal for cost-sensitive ASIL-D nodes. SPC5746CK1AMLQ5 replaces FlexRay with Ethernet switching, shifting focus from legacy chassis networks to next-gen domain controllers.
Availability
SPC5744PK1AMLQ5 is available at Aetrix Electronics and suitable for electric power steering, brake-by-wire, and ADAS domain control applications requiring stable component supply, long-term automotive lifecycle support, and ASIL-D qualification documentation.
Supply support for SPC5744PK1AMLQ5 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 embedded processing.
The SPC5744PK1AMLQ5 belongs to NXP's SPC57 family of automotive MCUs, engineered specifically for ASIL-D chassis control applications-including EPS, brake, suspension, and steering-where lock-step redundancy and certified safety mechanisms are mandatory.
FAQ
What is the maximum junction temperature rating for SPC5744PK1AMLQ5?
The SPC5744PK1AMLQ5 is rated for 150°C maximum junction temperature as standard. A 165°C option is available and indicated by specific device marking per NXP's ordering information-verified in Rev. 6.1 (Nov. 2017) datasheet Section 1.1 and Table 1. This higher rating supports operation in under-hood environments with elevated thermal stress.
Does SPC5744PK1AMLQ5 support Read-While-Write (RWW) flash operation?
Yes, the SPC5744PK1AMLQ5 supports RWW flash functionality across its 2.5 MB ECC flash memory. This allows concurrent code execution from one flash bank while programming another-enabling safe over-the-air (OTA) firmware updates without halting real-time control tasks, a critical requirement for ASIL-D systems.
Is the SPC5744PK1AMLQ5 pin-compatible with other MPC574xP variants in LQFP package?
Yes, the SPC5744PK1AMLQ5 shares identical 144-pin LQFP mechanical and electrical pinout with MPC5743P, MPC5742P, and MPC5741P in the same package variant. Signal mapping, power/ground pin locations, and reset/debug pin positions are fully aligned-enabling hardware reuse across memory-tiered derivatives.
Which communication interfaces does SPC5744PK1AMLQ5 include for automotive networking?
The SPC5744PK1AMLQ5 integrates FlexRay (1 module, dual channel, 64 message buffers), 3 independent FlexCAN modules (64 message buffers each), 2 LINFlexD modules (UART/LIN with DMA), and 4 SPI controllers. It does not include Ethernet or USB-those are found in later SPC57xxC derivatives like SPC5746C.
How is functional safety implemented in SPC5744PK1AMLQ5 beyond dual-core lock-step?
Beyond dual e200z4 lock-step execution, the SPC5744PK1AMLQ5 implements FCCU for centralized fault reporting, EIM for controlled fault injection during validation, ECC on all memory, MPU-based memory protection (24 core + 16 system regions), and Nexus Level 3+ debug with Aurora trace-providing full coverage for ISO 26262 ASIL-D development and certification of the SPC5744PK1AMLQ5.
SPC5744PK1AMLQ5 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:
- 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:
SPC5744PK1AMLQ5 FAQ
1.How can I place an order for SPC5744PK1AMLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5744PK1AMLQ5 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 SPC5744PK1AMLQ5 reliable?
The price and inventory of SPC5744PK1AMLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5744PK1AMLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5744PK1AMLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5744PK1AMLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5744PK1AMLQ5?
SPC5744PK1AMLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5744PK1AMLQ5 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 SPC5744PK1AMLQ5?
For technical support, including SPC5744PK1AMLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5744PK1AMLQ5 requirements.
6.How does Aetrix verify that SPC5744PK1AMLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5744PK1AMLQ5 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 SPC5744PK1AMLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5744PK1AMLQ5?
All SPC5744PK1AMLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5744PK1AMLQ5, 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 SPC5744PK1AMLQ5 part is unused and in its original packaging.
Return procedure for SPC5744PK1AMLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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