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NXP Semiconductors SPC5741PK1AKLQ8
- Part No.:
- SPC5741PK1AKLQ8
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5741PK1AKLQ8.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,628
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Product details
Overview
SPC5741PK1AKLQ8 from NXP is an automotive-grade Power Architecture® microcontroller featuring dual e200z4 cores in lockstep, 1 MB flash, 128 KB SRAM, and operation up to 200 MHz. It integrates FlexCAN, LINFlexD, DSPI, SENT, SIPI/LFAST, dual-channel FlexRay™, and Ethernet for safety-critical vehicle control applications including electric power steering and airbag systems.
For engineers reviewing the SPC5741PK1AKLQ8 datasheet, SPC5741PK1AKLQ8 pinout, SPC5741PK1AKLQ8 application, or SPC5741PK1AKLQ8 equivalent, key selection criteria include ASIL-D functional safety support, 144-pin LQFP package compatibility, -40°C to 125°C ambient operation, and integrated safety mechanisms including core/DMA lockstep and end-to-end ECC.
Technical Context
The SPC5741PK1AKLQ8 implements two e200z4 cores executing in delayed lockstep at up to 200 MHz with embedded floating-point unit (S-FPU) and 32-channel safe eDMA also in lockstep. Memory subsystem includes 1 MB on-chip flash with instruction/data and address/data ECC, plus 128 KB SRAM with A+D ECC.
Safety architecture incorporates FCCU, LBIST/MBIST, ADC self-test, duplicate peripherals, and Nexus/Aurora debug interface compliant with ISO 26262 ASIL-D and IEC 61508 SIL3 requirements. Communication interfaces include 3× FlexCAN, 2× LINFlexD, 4× DSPI, 4× SENT, 2× FlexPWM, and dual-channel FlexRay™ with Ethernet support.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in delayed lockstep for ASIL-D fault detection |
| Max Clock Speed | 200 MHz - enables real-time deterministic execution for motor control loops |
| Flash Memory | 1 MB with I/D and A+D ECC - supports secure boot and runtime integrity checking |
| SRAM | 128 KB with A+D ECC - provides protected data storage for safety-critical variables |
| Operating Temp | -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 systems and noise-tolerant operation |
| Safety Certification | ISO 26262 ASIL-D ready - includes lockstep cores, e2eECC, duplicate peripherals, and FCCU |
Pinout & Package
SPC5741PK1AKLQ8 is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch), RoHS-compliant and designed for reflow soldering in automotive production. Pin assignment follows NXP's MPC574xP family layout with dedicated safety, power, clock, and I/O banks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input (3.15–5.5 V) | Power domain for core, memory, and most peripherals; requires local decoupling |
| VDD_IO | I/O supply input | Independent voltage rail enabling mixed-voltage interfacing (e.g., 3.3 V CAN transceivers) |
| RESET_IN | Asynchronous reset input | Active-low signal monitored by FCCU for fail-safe system recovery |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Supports real-time trace, safety verification, and ASIL-D development workflows |
| FLEXRAY_A_TX/RX | Dual-channel FlexRay physical layer interface | Enables time-triggered communication for chassis control networks with redundancy |
| FLEXCAN0_TX/RX | First CAN 2.0B controller interface | ASIL-B capable bus node for EPS or airbag ECU communication |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-level fault detection with <1 µs diagnostic response for ASIL-D compliance |
| End-to-end ECC (flash/SRAM) | Corrects single-bit errors and detects double-bit errors across memory paths |
| FlexRay dual-channel interface | Supports redundant time-triggered networks for braking/stability control ECUs |
| SENT and SIPI/LFAST 3G IF | Direct sensor interface for high-resolution position/torque feedback in EPS systems |
| 2× FlexPWM with 4×(2+1) channels | Generates synchronized 3-phase gate drive signals with dead-time control for motor inverters |
| FCCU with configurable error responses | Centralized fault collection and reaction engine supporting fail-safe state transitions |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation during steering maneuvers. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D motor control algorithms with lockstep core supervision. Use Value: 200 MHz lockstep execution ensures sub-100 µs loop closure for responsive, fail-operational steering assist. | Use Scenario: High-integrity crash event detection, squib firing decision, and pyrotechnic deployment sequencing. IC Role / Device Role / Timing Role: Safety domain controller managing sensor fusion, diagnostics, and dual-redundant output drivers. Use Value: FCCU + lockstep + e2eECC guarantees <100 ms fault detection and safe shutdown before squib activation. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of 48 V BLDC motors in active suspension or brake-by-wire actuators. IC Role / Device Role / Timing Role: ASIL-D motor controller with integrated PWM, ADC, and SENT interface for position sensing. Use Value: 4× 12-bit ADC with 16-channel mux enables simultaneous current/voltage/sensor sampling at 1 MSps. | Use Scenario: Sensor fusion processing and actuator coordination between radar, camera, and throttle/brake modules. IC Role / Device Role / Timing Role: Domain controller handling FlexRay/CAN/Ethernet gateway functions and safety monitoring. Use Value: Dual FlexRay channels provide deterministic, low-latency communication for distributed ACC sub-systems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5742PK1AKLQ8 | 1.5 MB flash, 192 KB SRAM, same 144 LQFP package and pinout | Higher memory capacity supports larger safety firmware stacks and OTA update partitions | Select when extended code space is required without changing PCB layout |
| SPC5743PK1AKLQ8 | 2 MB flash, 256 KB SRAM, identical package and safety architecture | Enables integration of additional middleware (e.g., AUTOSAR OS, Crypto Stack) alongside ASIL-D application | Choose for next-generation EPS or ADAS ECUs requiring scalable memory headroom |
Compared with SPC5741PK1AKLQ8, the SPC5742PK1AKLQ8 and SPC5743PK1AKLQ8 offer increased flash/SRAM while retaining identical safety features, peripheral set, and 144-pin LQFP footprint-making them drop-in upgrades for memory-constrained designs.
Availability
SPC5741PK1AKLQ8 is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and safety motor controller applications requiring stable component supply across automotive production lifecycles.
Supply support for SPC5741PK1AKLQ8 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 vehicle dynamics and driver assistance systems, with emphasis on lockstep processing, memory protection, and automotive qualification.
FAQ
What is the maximum operating temperature range for SPC5741PK1AKLQ8?
The SPC5741PK1AKLQ8 is rated for operation from -40°C to +125°C ambient temperature and is qualified to AEC-Q100 Grade 1. This specification is confirmed in the official MPC574xP datasheet (Document Number: MPC574xPFS REV 3) and applies to the 144-pin LQFP variant. The device supports full functionality-including lockstep core operation, ECC memory, and FlexRay communication-across this entire range.
Does SPC5741PK1AKLQ8 support ISO 26262 ASIL-D compliance out of the box?
SPC5741PK1AKLQ8 is designed to support ISO 26262 ASIL-D implementation, incorporating lockstep e200z4 cores, safe eDMA, end-to-end ECC, FCCU, and built-in self-test features. However, full ASIL-D certification requires system-level integration, safety software, and validation per ISO 26262 Part 6. NXP provides safety manuals and FMEDA reports to enable SPC5741PK1AKLQ8-based ECU certification.
Which communication interfaces are integrated into SPC5741PK1AKLQ8?
The SPC5741PK1AKLQ8 integrates FlexCAN (3 channels), LINFlexD (2 channels), DSPI (4 channels), SENT (4 channels), SIPI/LFAST 3G IF, dual-channel FlexRay™, and Ethernet. All interfaces are accessible in the 144-pin LQFP package. No external transceivers are required for basic CAN or LIN operation, though physical layer components must be added per bus standard requirements.
What is the flash and RAM configuration of SPC5741PK1AKLQ8?
The SPC5741PK1AKLQ8 contains 1 MB of on-chip flash memory with instruction/data and address/data ECC, and 128 KB of SRAM with address/data ECC. These values are fixed for this part number and match the "SPC5741P" entry in the MPC574xP orderable samples table. No configuration or trimming alters these memory capacities in production units.
Is SPC5741PK1AKLQ8 pin-compatible with other MPC574xP family members?
Yes-SPC5741PK1AKLQ8 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5742P, SPC5743P, and SPC5744P variants. Signal mapping, power/ground pin locations, and safety-related pins (e.g., RESET_IN, FCCU_ERR) are fully aligned. This allows hardware reuse across memory-scaled versions without PCB redesign.
SPC5741PK1AKLQ8 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:
- -
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 128K 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:
SPC5741PK1AKLQ8 FAQ
1.How can I place an order for SPC5741PK1AKLQ8 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5741PK1AKLQ8 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 SPC5741PK1AKLQ8 reliable?
The price and inventory of SPC5741PK1AKLQ8 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5741PK1AKLQ8 is usually 5 days.
3.What payment methods are accepted for SPC5741PK1AKLQ8?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5741PK1AKLQ8 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5741PK1AKLQ8?
SPC5741PK1AKLQ8 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5741PK1AKLQ8 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 SPC5741PK1AKLQ8?
For technical support, including SPC5741PK1AKLQ8 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5741PK1AKLQ8 requirements.
6.How does Aetrix verify that SPC5741PK1AKLQ8 is sourced from the original manufacturer or authorized distributors?
All SPC5741PK1AKLQ8 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 SPC5741PK1AKLQ8 meets industry standards.
7.What is the process for return or replacement of SPC5741PK1AKLQ8?
All SPC5741PK1AKLQ8 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5741PK1AKLQ8, 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 SPC5741PK1AKLQ8 part is unused and in its original packaging.
Return procedure for SPC5741PK1AKLQ8:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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