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NXP Semiconductors SPC5743PK1AMLQ5R
- Part No.:
- SPC5743PK1AMLQ5R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5743PK1AMLQ5R.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,557
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Product details
Overview
SPC5743PK1AMLQ5R 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 RAM, and AEC-Q100 qualification for operation up to 125°C ambient. 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 SPC5743PK1AMLQ5R datasheet, SPC5743PK1AMLQ5R pinout, SPC5743PK1AMLQ5R application, or SPC5743PK1AMLQ5R equivalent, key selection criteria include dual-core lockstep execution, 2 MB flash with ECC, 256 KB SRAM with ECC, FlexRay dual-channel support, and functional safety certification for safety-critical vehicle control domains.
Technical Context
The SPC5743PK1AMLQ5R implements two e200z4 cores in delayed lockstep with embedded floating-point unit and 32-channel eDMA also in lockstep-enabling real-time fault detection and recovery. Memory subsystem includes 2 MB on-chip flash with end-to-end ECC and 256 KB SRAM with address+data ECC, both protected by memory protection unit (16 regions).
Peripherals include dual-channel FlexRay™, three FlexCAN controllers, four SENT receivers, four DSPI modules, two FlexPWM units (each with 2+1 channels), four 12-bit ADCs (16-channel total), and safety mechanisms such as LBIST/MBIST, FCCU, ADC self-test, and duplicate peripheral instances for redundancy.
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 deterministic real-time control loop execution in EPS and braking systems |
| Flash Memory | 2 MB with end-to-end ECC - supports secure boot, firmware updates, and data integrity in safety-critical code storage |
| SRAM | 256 KB with address+data ECC - provides fault-tolerant working memory for safety routines and control 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 rail and regulated 3.3 V subsystems |
| Safety Certification | ISO 26262 ASIL D ready - includes lockstep cores, eDMA, duplicate peripherals, FCCU, and BIST coverage |
Pinout & Package
SPC5743PK1AMLQ5R 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 family layout, optimized for signal integrity, EMI resilience, and functional safety routing separation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_B | Analog power supply | Independent 5 V rails for ADC and analog comparators; require local decoupling for noise immunity |
| VDD_IO | I/O power supply | Configurable 3.3 V or 5 V domain supporting mixed-voltage interface with CAN transceivers and sensors |
| FSM_CLKIN | FlexRay clock input | Accepts 40 MHz differential clock for dual-channel FlexRay communication with deterministic timing |
| CAN0_TX / CAN0_RX | FlexCAN channel 0 interface | High-speed CAN FD-capable signals routed with controlled impedance for ECU interconnect in chassis networks |
| SENT0_IN0–SENT0_IN3 | SENT receiver inputs | Four dedicated SENT inputs for direct connection to pressure, position, and temperature sensors without external conditioning |
| ETM_TRACESCLK / ETM_TRACE0–7 | Nexus Class 3 debug trace | Enables real-time instruction and data trace for ASIL D verification using Lauterbach or iSystem debug tools |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-level fault detection with cycle-accurate comparison enabling immediate fail-safe response in <1 µs |
| End-to-end ECC on flash & SRAM | Corrects single-bit errors and detects double-bit errors across entire memory subsystem for SIL3/ASIL D compliance |
| Dual-channel FlexRay controller | Supports time-triggered communication with 10 Mbps per channel and synchronized global time base for x-by-wire systems |
| Four independent 12-bit ADCs | Simultaneous sampling across 16 channels with hardware trigger synchronization for motor current and voltage monitoring |
| Functional Safety Unit (FCCU) | Centralized fault collection and classification engine with configurable error response (reset, interrupt, or safe state assertion) |
| LBIST/MBIST and ADC self-test | On-chip structural and analog self-tests executed at startup and runtime to meet ASIL D diagnostic coverage requirements |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation during steering maneuvers under varying load and temperature. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL D control algorithms with lockstep core validation and redundant PWM output generation. Use Value: Enables fail-operational behavior via dual-core lockstep and FlexPWM with dead-time insertion, meeting ISO 26262 requirements for steering actuation. | Use Scenario: High-speed crash event detection, squib firing decision, and pyrotechnic deployment sequencing within ≤5 ms of impact. IC Role / Device Role / Timing Role: Safety domain controller managing sensor fusion (accelerometers, pressure), squib drivers, and communication with body domain over FlexCAN. Use Value: Achieves <5 ms end-to-end latency with deterministic interrupt handling, ECC-protected RAM for critical state variables, and FCCU-managed fault escalation. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of high-voltage traction or auxiliary motors with torque limiting, overcurrent protection, and thermal derating. IC Role / Device Role / Timing Role: Dual-core safety MCU interfacing with isolated gate drivers, current shunt amplifiers, and resolver feedback via eTimer and ADC. Use Value: Supports SIL3/ASIL D motor control via lockstep execution, redundant ADC sampling, and FlexPWM with hardware fault protection (e.g., DESAT detection). | Use Scenario: Fusion of radar, camera, and vehicle speed data to compute inter-vehicle distance, relative velocity, and longitudinal acceleration commands. IC Role / Device Role / Timing Role: Domain controller aggregating sensor data over FlexCAN and Ethernet, running predictive control logic with time-synchronized interrupts. Use Value: Delivers sub-millisecond timer resolution via STM/PIT and deterministic communication scheduling across FlexRay and CAN FD for coordinated ACC response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PK1AMLQ5R | 2.5 MB flash, 384 KB SRAM, same package and pinout | Higher memory capacity supports larger AUTOSAR OS, complex diagnostics, and OTA update partitions | Select when >2 MB flash or >256 KB RAM required for ASW layer expansion or multi-core task partitioning |
| SPC5742PK1AMLQ5R | 1.5 MB flash, 192 KB SRAM, identical safety architecture and peripheral set | Reduced memory footprint suits cost-sensitive airbag satellite modules or brake caliper controllers | Select for lower-cost implementations where full 2 MB flash and 256 KB RAM are not utilized |
Compared with SPC5743PK1AMLQ5R, the SPC5744PK1AMLQ5R offers greater memory headroom for AUTOSAR-based software stacks and future feature scalability, while the SPC5742PK1AMLQ5R reduces bill-of-materials cost in memory-constrained safety nodes without sacrificing lockstep reliability or peripheral capability.
Availability
SPC5743PK1AMLQ5R is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and adaptive cruise control applications requiring stable component supply across automotive production lifecycles.
Supply support for SPC5743PK1AMLQ5R 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–capable Power Architecture MCUs designed specifically for safety-critical vehicle control domains including steering, braking, airbag, and domain controllers.
FAQ
What is the maximum operating temperature rating for the SPC5743PK1AMLQ5R?
The SPC5743PK1AMLQ5R is rated for operation from −40°C to +125°C ambient temperature and is qualified to AEC-Q100 Grade 1. This specification ensures reliable performance in under-hood automotive environments such as electric power steering modules and brake control units where thermal stress is significant. The SPC5743PK1AMLQ5R incorporates thermal monitoring circuitry and operates with validated junction temperature margins across its full voltage and frequency range.
Does the SPC5743PK1AMLQ5R support ISO 26262 ASIL D compliance out of the box?
The SPC5743PK1AMLQ5R is architected to support ISO 26262 ASIL D implementation, featuring dual e200z4 lockstep cores, end-to-end ECC on flash and SRAM, duplicate peripherals, FCCU, and built-in self-test capabilities. However, achieving full ASIL D requires proper configuration of safety mechanisms, integration with certified safety software, and system-level validation. The SPC5743PK1AMLQ5R provides the hardware foundation-but not full certification-for ASIL D applications.
Which communication interfaces are integrated into the SPC5743PK1AMLQ5R?
The SPC5743PK1AMLQ5R integrates FlexCAN (3 channels), FlexRay (dual-channel), LINFlexD (2 channels), DSPI (4 modules), SENT (4 receivers), Ethernet (10/100 Mbps), and SIPI/LFAST 3G IF. These interfaces enable comprehensive vehicle networking-from high-integrity time-triggered FlexRay for x-by-wire to high-bandwidth Ethernet for ADAS domain aggregation. All interfaces are accessible in the 144 LQFP package of the SPC5743PK1AMLQ5R.
What is the flash and RAM capacity of the SPC5743PK1AMLQ5R?
The SPC5743PK1AMLQ5R includes 2 MB of on-chip flash memory with end-to-end ECC and 256 KB of SRAM with address+data ECC. Both memory blocks are protected by the Memory Protection Unit (MPU) with 16 configurable regions. This memory configuration supports AUTOSAR-compliant software stacks, safety monitor tasks, and real-time control buffers-making the SPC5743PK1AMLQ5R suitable for mid-tier safety domain controllers where memory density balances cost and functionality.
Is the SPC5743PK1AMLQ5R pin-compatible with other MPC574xP family members?
Yes-the SPC5743PK1AMLQ5R shares identical pinout and package (144 LQFP) with SPC5744P, SPC5742P, and SPC5741P variants. This enables hardware reuse across memory-tiered designs, simplifying PCB design and qualification. Signal mapping, power domains, and peripheral pin assignments are consistent across the family, allowing drop-in substitution where flash/RAM requirements align. The SPC5743PK1AMLQ5R maintains full electrical and mechanical compatibility within the MPC574xP LQFP footprint.
SPC5743PK1AMLQ5R 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:
- 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:
SPC5743PK1AMLQ5R FAQ
1.How can I place an order for SPC5743PK1AMLQ5R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5743PK1AMLQ5R 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 SPC5743PK1AMLQ5R reliable?
The price and inventory of SPC5743PK1AMLQ5R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5743PK1AMLQ5R is usually 5 days.
3.What payment methods are accepted for SPC5743PK1AMLQ5R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5743PK1AMLQ5R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5743PK1AMLQ5R?
SPC5743PK1AMLQ5R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5743PK1AMLQ5R 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 SPC5743PK1AMLQ5R?
For technical support, including SPC5743PK1AMLQ5R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5743PK1AMLQ5R requirements.
6.How does Aetrix verify that SPC5743PK1AMLQ5R is sourced from the original manufacturer or authorized distributors?
All SPC5743PK1AMLQ5R 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 SPC5743PK1AMLQ5R meets industry standards.
7.What is the process for return or replacement of SPC5743PK1AMLQ5R?
All SPC5743PK1AMLQ5R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5743PK1AMLQ5R, 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 SPC5743PK1AMLQ5R part is unused and in its original packaging.
Return procedure for SPC5743PK1AMLQ5R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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