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NXP Semiconductors SPC5741PK1AMLQ5
- Part No.:
- SPC5741PK1AMLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5741PK1AMLQ5.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,994
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Product details
Overview
SPC5741PK1AMLQ5 from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, 1 MB flash, 128 KB SRAM, and AEC-Q100 qualification for operation up to 125°C ambient-designed for safety-critical motor control in electric power steering systems.
For engineers reviewing the SPC5741PK1AMLQ5 datasheet, SPC5741PK1AMLQ5 pinout, SPC5741PK1AMLQ5 application, or SPC5741PK1AMLQ5 equivalent, key selection criteria include ASIL-D functional safety support, FlexRay/CAN/LIN communication integration, lockstep core redundancy, end-to-end ECC memory protection, and validated operation across -40°C to 125°C.
Technical Context
The SPC5741PK1AMLQ5 implements two e200z4 cores in delayed lockstep with embedded floating-point unit (S-FPU), crossbar-switched memory subsystem with E2E ECC on both flash (1 MB) and SRAM (128 KB), and dedicated safety infrastructure including FCCU, LBIST/MBIST, and ADC self-test.
It integrates dual-channel FlexRay™, three FlexCAN modules, four SENT receivers, four DSPI interfaces, two FlexPWM units (each with 2+1 channels), four 12-bit ADCs (16-channel total), and safety-critical peripherals including SWT, PIT, and STM timers-all synchronized under a unified safety lake architecture per ISO 26262 ASIL-D requirements.
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 torque loop execution & sensor fusion within <5 µs latency |
| Flash Memory | 1 MB with I/D cache and end-to-end ECC - supports secure boot and safe code storage |
| SRAM | 128 KB with address+data ECC - provides protected workspace for safety-critical variables |
| Operating Temp | -40°C to 125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood EPS and airbag ECUs |
| Supply Voltage | 3.15 V to 5.5 V - compatible with automotive 5 V and 3.3 V domains without level-shifting |
| Safety Features | Core/DMA lockstep, duplicate peripherals, FCCU, LBIST/MBIST, ADC self-test - fulfills ISO 26262 ASIL-D decomposition requirements |
Pinout & Package
SPC5741PK1AMLQ5 is housed in a 144-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's MPC574xP standard layout for mechanical and thermal compatibility across the SPC574xP family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_B | Analog power supply | Independent 5 V domains for ADC and analog comparators; decoupling required per datasheet layout rules |
| VDD_IO | I/O bank supply | Configurable 3.3 V or 5 V rail supporting mixed-voltage interface with CAN transceivers and LIN drivers |
| RESET_IN | Asynchronous reset input | Active-low signal monitored by FCCU for fail-safe system recovery and watchdog escalation |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Supports real-time trace, safety-aware debugging, and runtime verification via Lauterbach/iSystem tools |
| FLEXRAY_A_TX/RX | Dual-channel FlexRay physical interface | Direct connection to external FlexRay transceivers (e.g., TJA1080); supports time-triggered deterministic networking |
| FLEXCAN0_TX/RX | First CAN 2.0B controller interface | Hardware CRC, message filtering, and loopback mode for ECU-level diagnostics and bus monitoring |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Enables continuous hardware-level comparison of instruction execution for ASIL-D fault detection without software overhead |
| End-to-end ECC on flash & SRAM | Corrects single-bit errors and detects double-bit errors in both program and data memory paths to prevent silent data corruption |
| FlexRay + FlexCAN + LINFlexD integration | Allows coexistence of time-triggered (FlexRay), event-triggered (CAN), and low-cost serial (LIN) networks in one ECU for domain controllers |
| Four 12-bit ADCs with 16-channel mux | Supports simultaneous sampling of torque, position, current, and temperature sensors in EPS motor control loops |
| Functional Safety Checker (FCCU) | Centralized safety monitor managing error injection, BIST sequencing, and fail-safe state transitions per ISO 26262 Part 10 |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation using steering angle, torque, and vehicle speed inputs. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D motor control algorithms with lockstep core validation and PWM output generation. Use Value: Meets <100 µs torque-loop timing budget while maintaining fault coverage >99% per ISO 26262 Annex D. | Use Scenario: Crash event detection, squib firing decision, and diagnostic logging during frontal/side impact. IC Role / Device Role / Timing Role: Safety domain controller managing dual-redundant accelerometers, crash algorithm, and pyro driver outputs. Use Value: Achieves <5 ms end-to-end response from sensor input to squib activation with dual-core lockstep validation. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) ECU |
Use Scenario: Closed-loop control of high-voltage traction inverters or brake-by-wire actuators. IC Role / Device Role / Timing Role: Dual-core safety MCU coordinating PWM generation, current sensing, and fault handling with SIL3-equivalent integrity. Use Value: Supports 20 kHz PWM switching with hardware dead-time insertion and overcurrent shutdown in <2 µs. | Use Scenario: Sensor fusion of radar, camera, and vehicle CAN data to compute inter-vehicle distance and acceleration commands. IC Role / Device Role / Timing Role: Domain controller aggregating inputs, running ACC logic, and issuing actuator commands via CAN/FlexRay. Use Value: Enables deterministic 10 ms control cycle with time-synchronized FlexRay messaging for platooning. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5742PK1AMLQ5 | 1.5 MB flash, 192 KB SRAM, same package and pinout | Higher memory capacity supports larger safety firmware stacks and dual-application partitioning | Select when extended bootloader, OTA update, or multi-zone safety logic exceeds 1 MB flash limit |
| SPC5743PK1AMLQ5 | 2 MB flash, 256 KB SRAM, identical safety architecture and peripheral set | Enables full ASIL-D stack + AUTOSAR OS + diagnostic services without external memory | Choose for complex domain controllers requiring integrated COM, DCM, and FIM modules |
Compared with SPC5741PK1AMLQ5, the SPC5742PK1AMLQ5 and SPC5743PK1AMLQ5 retain identical safety mechanisms, clock architecture, and peripheral configuration-but scale memory resources to accommodate larger safety-certified software footprints and future-proof feature integration.
Availability
SPC5741PK1AMLQ5 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 SPC5741PK1AMLQ5 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 SPC574xP product line delivers ASIL-D-capable Power Architecture MCUs optimized for safety-critical automotive domain controllers-including EPS, airbag, braking, and ADAS subsystems-with integrated functional safety hardware and certified development toolchains.
FAQ
What is the maximum operating temperature rating for SPC5741PK1AMLQ5?
The SPC5741PK1AMLQ5 is qualified per AEC-Q100 Grade 1 with an ambient operating temperature range of -40°C to 125°C. This rating is validated for continuous operation in engine compartment and under-hood environments where thermal stress is critical. The device incorporates on-die temperature sensors and thermal shutdown circuitry to maintain reliability within this envelope. SPC5741PK1AMLQ5 does not support the 135°C option found in higher-tier SPC5744P variants.
Does SPC5741PK1AMLQ5 support Ethernet communication?
No, SPC5741PK1AMLQ5 does not integrate an Ethernet MAC or PHY. While the broader MPC574xP family includes Ethernet support in select variants (e.g., SPC5744P), the SPC5741PK1AMLQ5 omits this peripheral to optimize die size and cost for mid-tier safety applications. Communication is supported via FlexRay, FlexCAN, LINFlexD, DSPI, and SENT interfaces. SPC5741PK1AMLQ5 relies on external Ethernet controllers if network connectivity is required.
What debug interface does SPC5741PK1AMLQ5 use?
SPC5741PK1AMLQ5 implements Nexus Class 3 debug architecture compliant with IEEE-ISTO 5001™, supporting real-time trace, instruction-level breakpoints, and safety-aware register inspection. It uses JTAG pins (TCK/TMS/TDI/TDO) for connection to Lauterbach TRACE32, iSystem winIDEA, or PLS UDE debuggers. SPC5741PK1AMLQ5 does not support SWD or ARM-style debug protocols, as it is based on Power Architecture e200z4 cores.
Is SPC5741PK1AMLQ5 pin-compatible with other SPC574xP devices?
Yes, SPC5741PK1AMLQ5 shares identical 144-pin LQFP mechanical footprint and pin assignment with SPC5742P, SPC5743P, and SPC5744P in the same package variant. Signal mapping, power domains, and peripheral pin multiplexing are fully aligned across the family. This allows hardware reuse across safety tiers-SPC5741PK1AMLQ5 can be upgraded to SPC5742PK1AMLQ5 or SPC5743PK1AMLQ5 without PCB redesign.
What safety certifications apply to SPC5741PK1AMLQ5?
SPC5741PK1AMLQ5 is designed to support ISO 26262 ASIL-D and IEC 61508 SIL3 compliance through integrated hardware safety features: dual-core lockstep, end-to-end ECC, FCCU, LBIST/MBIST, and ADC self-test. NXP provides certified safety manuals, FMEDA reports, and diagnostic software libraries. SPC5741PK1AMLQ5 itself is AEC-Q100 qualified but requires system-level certification-no standalone ASIL-D certificate exists for the bare die.
SPC5741PK1AMLQ5 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:
- -
- 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:
SPC5741PK1AMLQ5 FAQ
1.How can I place an order for SPC5741PK1AMLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5741PK1AMLQ5 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 SPC5741PK1AMLQ5 reliable?
The price and inventory of SPC5741PK1AMLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5741PK1AMLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5741PK1AMLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5741PK1AMLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5741PK1AMLQ5?
SPC5741PK1AMLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5741PK1AMLQ5 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 SPC5741PK1AMLQ5?
For technical support, including SPC5741PK1AMLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5741PK1AMLQ5 requirements.
6.How does Aetrix verify that SPC5741PK1AMLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5741PK1AMLQ5 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 SPC5741PK1AMLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5741PK1AMLQ5?
All SPC5741PK1AMLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5741PK1AMLQ5, 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 SPC5741PK1AMLQ5 part is unused and in its original packaging.
Return procedure for SPC5741PK1AMLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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