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NXP Semiconductors SPC5743PK1AMLQ5
- Part No.:
- SPC5743PK1AMLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5743PK1AMLQ5.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,845
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Product details
Overview
SPC5743PK1AMLQ5 from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, 2 MB flash, 256 KB SRAM, and AEC-Q100 qualification for ambient temperatures up to 125°C. It integrates FlexCAN, FlexRay, LINFlexD, SENT, DSPI, Ethernet, and safety features supporting ISO 26262 ASIL D in electric power steering and airbag systems.
For engineers reviewing the SPC5743PK1AMLQ5 datasheet, SPC5743PK1AMLQ5 pinout, SPC5743PK1AMLQ5 application, or SPC5743PK1AMLQ5 equivalent, key selection criteria include dual-core lockstep execution, 2 MB flash with end-to-end ECC, 256 KB SRAM with parity/ECC, 144-pin LQFP package, and integrated functional safety peripherals including FCCU and LBIST/MBIST.
Technical Context
The SPC5743PK1AMLQ5 implements two e200z4 cores executing in delayed lockstep with embedded floating-point unit and 32-channel eDMA also in lockstep-enabling fault-detection coverage for safety-critical control loops. Its memory subsystem includes 2 MB on-chip flash with address+data ECC and 256 KB SRAM with A+D ECC, both protected by memory protection unit (16 regions).
Peripheral integration targets automotive domain controllers: 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 monitors including SWT, PIT/STM, and FCCU for fault collection and response coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in delayed lockstep-enables real-time fault detection for ASIL D compliance. |
| Max Clock Speed | 200 MHz-supports deterministic execution of complex motor control and sensor fusion algorithms. |
| Flash Memory | 2 MB with end-to-end ECC-ensures integrity of boot code and safety-critical application firmware. |
| SRAM | 256 KB with address+data ECC-protects runtime variables and stack data in safety-critical tasks. |
| Operating Temperature | −40°C to +125°C-qualified per AEC-Q100 Grade 1 for under-hood automotive applications. |
| Supply Voltage | 3.15 V to 5.5 V-supports direct connection to automotive battery rails without external regulation. |
| Safety Certification | ISO 26262 ASIL D and IEC 61508 SIL3 ready-includes lockstep cores, duplicate peripherals, LBIST/MBIST, and FCCU. |
Pinout & Package
SPC5743PK1AMLQ5 is housed in a 144-lead LQFP package (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignment follows NXP's MPC574xP family layout, supporting dedicated safety-redundant signal routing and differential bus interfaces.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_B | Analog power supply | Independent 3.3 V domains for ADC and analog comparators-reduces noise coupling in sensor acquisition. |
| VDD_IO | I/O power supply | Configurable 3.3 V or 5 V rail-enables direct interface with legacy automotive sensors and actuators. |
| FSCLK, FSREF | FlexRay clock inputs | Differential reference clock pair-supports precise timing synchronization across distributed ECU networks. |
| CAN_H, CAN_L | FlexCAN differential bus terminals | Integrated termination and slew-rate control-meets ISO 11898-2 physical layer requirements without external components. |
| SENT0–SENT3 | SENT receiver inputs | Four independent SENT decoders-enables concurrent processing of pressure, temperature, and position sensor signals. |
| ETXD, ETXCK, ERXD, ERXCK | Ethernet PHY interface | RMII-compliant 50 MHz interface-supports time-sensitive networking for ADAS domain controllers. |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Enables continuous hardware-level comparison of instruction execution-required for ASIL D diagnostic coverage. |
| End-to-end ECC on flash and SRAM | Corrects single-bit errors and detects multi-bit faults in both program and data memory-prevents silent data corruption. |
| Functional Safety Control Unit (FCCU) | Centralized fault collection and response engine-coordinates safe state transitions across CPU, DMA, and peripherals. |
| 2 × FlexPWM with 2+1 channel groups | Supports three-phase motor control with complementary outputs and dead-time insertion-eliminates need for external gate drivers in EPS inverters. |
| 4 × 12-bit ADC with 16-channel mux | Simultaneous sampling across multiple current/voltage sensors-enables field-oriented control with <1 µs inter-channel skew. |
Applications
| Electric Power Steering (EPS) | Airbag System |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation during vehicle maneuvering. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL D motor control loop at 10 kHz with lockstep core validation. Use Value: Dual-core lockstep and 2 MB ECC flash ensure fail-operational behavior during transient faults-meeting ISO 26262 requirements for steering actuation. | Use Scenario: High-speed crash event detection, pyrotechnic trigger sequencing, and occupant position sensing fusion. IC Role / Device Role / Timing Role: Central safety MCU managing accelerometer input, seatbelt pretensioner logic, and dual-stage airbag deployment timing. Use Value: FCCU-managed fault response and 256 KB ECC SRAM guarantee deterministic <5 ms safe-state entry after sensor fault detection. |
| Safety Domain Controller | Braking and Stability Control |
Use Scenario: Aggregating sensor data from radar, camera, and wheel speed modules to compute vehicle dynamics limits. IC Role / Device Role / Timing Role: Domain-level safety monitor coordinating cross-ECU communication via FlexRay and Ethernet. Use Value: Dual FlexRay channels with time-triggered scheduling enable synchronized actuator commands across brake, steering, and suspension ECUs. | Use Scenario: Closed-loop ABS and ESC control using wheel speed, yaw rate, and lateral acceleration feedback. IC Role / Device Role / Timing Role: Real-time safety controller running 10 kHz braking torque modulation with lockstep core verification. Use Value: Integrated 4 × 12-bit ADCs with simultaneous sampling support precise current sensing in dual-motor brake caliper drivers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PK1AMLQ5 | 2.5 MB flash, 384 KB SRAM, same 144-LQFP package and peripheral set | Higher memory capacity supports larger safety firmware images and extended diagnostic logs | Select when application requires >2 MB flash for dual-image OTA updates or extended self-test routines |
| SPC5742PK1AMLQ5 | 1.5 MB flash, 192 KB SRAM, identical safety architecture and pinout | Reduced memory footprint suits cost-optimized airbag squib drivers or compact sensor nodes | Select when memory budget is constrained but full ASIL D lockstep and peripheral compatibility are retained |
Compared with SPC5743PK1AMLQ5, the SPC5744PK1AMLQ5 offers greater firmware storage and runtime data space for advanced diagnostics, while the SPC5742PK1AMLQ5 provides a lower-cost entry point within the same safety-certified platform-both maintain identical pinout, lockstep execution, and AEC-Q100 Grade 1 qualification.
Availability
SPC5743PK1AMLQ5 is available at Aetrix Electronics and suitable for electric power steering, airbag systems, and braking and stability control requiring stable component supply across automotive production lifecycles.
Supply support for SPC5743PK1AMLQ5 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 high-integrity Power Architecture microcontrollers designed specifically for ASIL D automotive safety applications-including EPS, airbag control, and domain controllers-integrating lockstep cores, ECC memory, and certified safety peripherals.
FAQ
What is the maximum operating temperature rating for SPC5743PK1AMLQ5?
The SPC5743PK1AMLQ5 is qualified per AEC-Q100 Grade 1 with an ambient operating temperature range of −40°C to +125°C. This rating is validated across all electrical parameters and safety mechanisms, including lockstep core operation, ECC memory, and FCCU functionality. The device maintains full ASIL D capability throughout this range, making it suitable for under-hood automotive locations such as EPS motor control units and airbag diagnostic modules. Thermal derating is not required within these limits.
Does SPC5743PK1AMLQ5 support Ethernet communication?
Yes, the SPC5743PK1AMLQ5 includes an RMII-compliant Ethernet interface supporting 10/100 Mbps operation. It provides dedicated ETXD, ETXCK, ERXD, and ERXCK pins for direct connection to external PHY devices. This interface is integrated into the crossbar switch with end-to-end ECC and is accessible to both lockstep cores-enabling time-sensitive networking in ADAS domain controllers. The Ethernet MAC is fully supported in NXP's S32DS IDE and AUTOSAR MCAL stack.
How does SPC5743PK1AMLQ5 implement functional safety for ISO 26262 ASIL D?
The SPC5743PK1AMLQ5 achieves ASIL D readiness through hardware-enforced redundancy: dual e200z4 cores in delayed lockstep, lockstep eDMA, duplicate safety peripherals (e.g., dual SWT), end-to-end ECC on flash and SRAM, LBIST/MBIST, ADC self-test, and the Functional Safety Control Unit (FCCU). All safety mechanisms are documented in NXP's FMEDA report and certified by TÜV SÜD. The SPC5743PK1AMLQ5 requires no external safety monitors to meet ASIL D decomposition requirements in EPS or airbag systems.
What package type and pin count does SPC5743PK1AMLQ5 use?
The SPC5743PK1AMLQ5 uses a 144-pin LQFP package (16 mm × 16 mm, 0.5 mm pitch) with exposed thermal pad. This package matches the pinout of other MPC574xP variants including SPC5744P and SPC5742P-enabling PCB reuse across memory-graded versions. The pin assignment supports dedicated safety signal routing, differential bus interfaces (FlexRay, CAN), and high-current PWM outputs for motor control applications.
Which development tools are officially supported for SPC5743PK1AMLQ5?
NXP officially supports SPC5743PK1AMLQ5 with the S32 Design Studio IDE, Green Hills MULTI compiler, Wind River Diab Compiler, Lauterbach TRACE32 debugger, and iSystem winIDEA. Hardware evaluation includes the SPC574K-MOTHER mother board with daughter cards for FlexRay, CAN FD, and SENT interface testing. NXP provides MCAL drivers, SafeAssure safety libraries, and AUTOSAR 4.3-compliant stacks-all validated for SPC5743PK1AMLQ5.
SPC5743PK1AMLQ5 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:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256K 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:
SPC5743PK1AMLQ5 FAQ
1.How can I place an order for SPC5743PK1AMLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5743PK1AMLQ5 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 SPC5743PK1AMLQ5 reliable?
The price and inventory of SPC5743PK1AMLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5743PK1AMLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5743PK1AMLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5743PK1AMLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5743PK1AMLQ5?
SPC5743PK1AMLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5743PK1AMLQ5 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 SPC5743PK1AMLQ5?
For technical support, including SPC5743PK1AMLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5743PK1AMLQ5 requirements.
6.How does Aetrix verify that SPC5743PK1AMLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5743PK1AMLQ5 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 SPC5743PK1AMLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5743PK1AMLQ5?
All SPC5743PK1AMLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5743PK1AMLQ5, 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 SPC5743PK1AMLQ5 part is unused and in its original packaging.
Return procedure for SPC5743PK1AMLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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