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NXP Semiconductors SPC5741PK1AMLQ8R
- Part No.:
- SPC5741PK1AMLQ8R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5741PK1AMLQ8R.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,560
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Product details
Overview
SPC5741PK1AMLQ8R from NXP is an automotive-grade Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, featuring 1 MB flash, 128 KB RAM, FlexCAN, FlexRay, SENT, LINFlexD, and ASIL-D functional safety support for safety-critical motor control applications.
For engineers reviewing the SPC5741PK1AMLQ8R datasheet, SPC5741PK1AMLQ8R pinout, SPC5741PK1AMLQ8R application, or SPC5741PK1AMLQ8R equivalent, key selection criteria include AEC-Q100 qualification, dual-core lockstep execution, end-to-end ECC memory protection, 12-bit ADC with 16 channels, and support for Ethernet, FlexRay, and SENT interfaces in automotive domain controllers.
Technical Context
The SPC5741PK1AMLQ8R implements two e200z4 cores in delayed lockstep with embedded floating-point unit and 32-channel eDMA also in lockstep, enabling real-time fault detection per ISO 26262 ASIL-D requirements. It integrates dual-channel FlexRay™, three FlexCAN modules, four SENT receivers, and four DSPI interfaces for deterministic communication in safety-critical vehicle networks.
Memory subsystem includes 1 MB on-chip flash with instruction/data ECC and 128 KB SRAM with address/data ECC, supported by Memory Protection Unit (16 regions), Safety Lake monitoring, FCCU, and built-in LBIST/MBIST. Analog subsystem comprises four 12-bit ADCs with 16 total input channels and self-test capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in delayed lockstep for ASIL-D compliance |
| Max Clock Speed | 200 MHz - enables real-time deterministic execution for EPS and braking control loops |
| Flash Memory | 1 MB with I/D ECC - supports secure boot, firmware updates, and safety-critical code storage |
| RAM | 128 KB SRAM with address/data ECC - provides protected working memory for safety runtime data |
| Analog Input | 4 × 12-bit ADC, 16-channel total - sufficient for torque, position, and current sensing in motor control |
| Communication Interfaces | 3 × FlexCAN, 2 × FlexRay, 4 × SENT, 4 × DSPI, 2 × LINFlexD - meets multi-bus redundancy requirements in ADAS and safety domains |
| Supply Voltage | 3.15 V to 5.5 V - compatible with automotive battery rail and post-regulated 5 V/3.3 V domains |
| Operating Temperature | −40°C to +125°C - qualified for under-hood deployment in EPS, airbag, and stability control ECUs |
Pinout & Package
SPC5741PK1AMLQ8R is housed in a 144-pin LQFP package (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are defined per MPC574xP reference schematic and pin assignment table in MPC574xPFS REV 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO_0–VDD_IO_7 | I/O power supply rails | Eight independent 3.3 V domains enable selective I/O bank power gating and noise isolation |
| VDDA, VREFH, VREFL | Analog reference and supply | Dedicated analog power and precision reference inputs for 12-bit ADC accuracy and stability |
| FSCLK, FSCLK_B | FlexRay clock inputs | Differential clock pair supporting 10 Mbps FlexRay communication with jitter tolerance |
| CAN0_TX, CAN0_RX | FlexCAN channel 0 interface | Direct connection to external CAN transceiver; supports ISO 11898-1 compliant high-speed CAN |
| SENT0–SENT3 | SENT receiver inputs | Four dedicated single-wire sensor interface inputs for pressure, temperature, and position sensors |
| JTAG_TCK, JTAG_TDI, etc. | Nexus Class 3 debug interface | Enables ASIL-D-compliant runtime debugging, trace, and safety verification via Aurora/Nexus |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Continuous hardware comparison of core outputs detects transient faults in real time for ASIL-D compliance |
| End-to-end ECC (flash, SRAM, crossbar) | Corrects single-bit errors and detects double-bit errors across memory and interconnect paths |
| Functional Safety Peripherals | Duplicate peripheral instances (e.g., dual eTimer, dual FlexPWM), LBIST/MBIST, and ADC self-test reduce systematic failure risk |
| FlexRay + FlexCAN + SENT integration | Simultaneous support for time-triggered (FlexRay), event-triggered (CAN), and sensor-specific (SENT) protocols in one SoC |
| Safety Lake monitoring | Hardware safety monitor independently validates core, DMA, and peripheral health without CPU intervention |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and fail-safe motor actuation during steering maneuvers. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep core validation and SENT-based torque sensor interface. Use Value: 200 MHz dual-core lockstep ensures sub-100 µs control loop timing while ECC-protected 1 MB flash stores certified safety firmware. | Use Scenario: High-integrity crash detection, pyrotechnic trigger sequencing, and diagnostic self-check before deployment. IC Role / Device Role / Timing Role: Central safety MCU managing accelerometer inputs, crash decision logic, and redundant output drivers with FCCU-managed fault escalation. Use Value: Dual e200z4 lockstep + eDMA lockstep + end-to-end ECC guarantee fault-free execution of life-critical airbag firing sequences. |
| Safety Domain Controller | Braking & Stability Control |
Use Scenario: Aggregating sensor data (wheel speed, yaw, lateral acceleration) and coordinating actuator commands across multiple vehicle domains. IC Role / Device Role / Timing Role: Domain-level safety hub interfacing via FlexRay (inter-domain), FlexCAN (subsystem), and SENT (sensor fusion). Use Value: Integrated dual FlexRay channels and three FlexCAN modules eliminate external bus bridges while maintaining ASIL-D communication integrity. | Use Scenario: Closed-loop hydraulic pressure modulation and wheel slip correction during ABS and ESC events. IC Role / Device Role / Timing Role: Real-time motor and valve driver controller using FlexPWM with 2+1 channel configuration and eTimer-based timing synchronization. Use Value: 2 × FlexPWM modules (each with 4 × (2+1) channels) enable precise, phase-shifted PWM generation for multi-solenoid brake actuation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5742PK1AMLQ8R | 1.5 MB flash, 192 KB RAM, same package and pinout | Higher firmware capacity for extended diagnostics or dual-application partitioning | Select when additional flash/RAM is required without changing PCB layout or safety certification scope |
| SPC5743PK1AMLQ8R | 2 MB flash, 256 KB RAM, identical safety architecture and peripheral set | Supports larger AUTOSAR OS images and complex middleware stacks in centralized domain controllers | Choose for next-generation ECU designs requiring scalable memory while retaining ASIL-D qualification evidence |
Compared with SPC5741PK1AMLQ8R, the SPC5742PK1AMLQ8R and SPC5743PK1AMLQ8R offer increased memory headroom while preserving identical safety mechanisms, pin compatibility, and automotive temperature range-enabling incremental ECU upgrades without requalification of hardware or safety architecture.
Availability
SPC5741PK1AMLQ8R is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and braking & stability control applications requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100-compliant sourcing.
Supply support for SPC5741PK1AMLQ8R 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 automotive domain controllers, including EPS, airbag, and chassis control systems, with integrated functional safety hardware and automotive-qualified peripherals.
FAQ
What is the maximum operating temperature rating for SPC5741PK1AMLQ8R?
The SPC5741PK1AMLQ8R is rated for operation from −40°C to +125°C ambient temperature and is AEC-Q100 qualified for automotive use. This rating applies to the full 144-pin LQFP variant (SPC5741PK1AMLQ8R) and supports under-hood deployment in electronic power steering and airbag control units where thermal stress is critical. The device includes on-die temperature sensors and thermal shutdown protection aligned with ISO 26262 requirements.
Does SPC5741PK1AMLQ8R support Ethernet connectivity?
No, the SPC5741PK1AMLQ8R does not integrate an Ethernet MAC or PHY. While the broader MPC574xP family includes Ethernet support in higher variants (e.g., SPC5744P), the SPC5741PK1AMLQ8R omits Ethernet to optimize cost and die size for mid-tier safety applications. Its communication suite focuses on FlexRay, FlexCAN, SENT, LINFlexD, and DSPI-sufficient for EPS, airbag, and stability control ECUs where deterministic low-latency bus performance is prioritized over IP-based networking.
Is SPC5741PK1AMLQ8R pin-compatible with other MPC574xP devices?
Yes, the SPC5741PK1AMLQ8R shares identical 144-pin LQFP mechanical and electrical pinout with SPC5742P, SPC5743P, and SPC5744P in the same package variant. All share common power, ground, debug, and peripheral signal assignments per MPC574xPFS REV 3. This allows hardware reuse across memory-tier variants, though users must verify flash/RAM mapping and peripheral enablement in software due to differences in memory size and optional feature gating.
What functional safety certifications apply to SPC5741PK1AMLQ8R?
The SPC5741PK1AMLQ8R is designed to support ISO 26262 ASIL-D and IEC 61508 SIL-3 compliance through hardware features including dual-core lockstep, eDMA lockstep, end-to-end ECC, duplicate peripherals, LBIST/MBIST, FCCU, and ADC self-test. NXP provides safety manuals, FMEDA reports, and diagnostic software libraries for SPC5741PK1AMLQ8R to assist integrators in achieving full ASIL-D system certification-though final certification remains the responsibility of the end-system developer.
Which development tools are officially supported for SPC5741PK1AMLQ8R?
NXP officially supports Green Hills MULTI and Wind River Diab compilers, Lauterbach TRACE32 and iSystem winIDEA debuggers, and the SPC574K-Discovery evaluation board for SPC5741PK1AMLQ8R. Runtime software includes SPC574xP Flash and EEPROM drivers, SafeAssure safety libraries, and AUTOSAR MCAL v4.x drivers validated for this part. Development toolchains are qualified per ISO 26262 tool confidence level (TCL) requirements for ASIL-D projects.
SPC5741PK1AMLQ8R Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- MPC57xx
- Packaging:
- Tape & Reel (TR)
- 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 ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
SPC5741PK1AMLQ8R FAQ
1.How can I place an order for SPC5741PK1AMLQ8R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5741PK1AMLQ8R 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 SPC5741PK1AMLQ8R reliable?
The price and inventory of SPC5741PK1AMLQ8R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5741PK1AMLQ8R is usually 5 days.
3.What payment methods are accepted for SPC5741PK1AMLQ8R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5741PK1AMLQ8R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5741PK1AMLQ8R?
SPC5741PK1AMLQ8R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5741PK1AMLQ8R 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 SPC5741PK1AMLQ8R?
For technical support, including SPC5741PK1AMLQ8R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5741PK1AMLQ8R requirements.
6.How does Aetrix verify that SPC5741PK1AMLQ8R is sourced from the original manufacturer or authorized distributors?
All SPC5741PK1AMLQ8R 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 SPC5741PK1AMLQ8R meets industry standards.
7.What is the process for return or replacement of SPC5741PK1AMLQ8R?
All SPC5741PK1AMLQ8R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5741PK1AMLQ8R, 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 SPC5741PK1AMLQ8R part is unused and in its original packaging.
Return procedure for SPC5741PK1AMLQ8R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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