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NXP Semiconductors SPC5742PK1AMLQ9R
- Part No.:
- SPC5742PK1AMLQ9R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1AMLQ9R.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,578
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Product details
Overview
SPC5742PK1AMLQ9R from NXP is an automotive-grade 32-bit Power Architecture® microcontroller with dual e200z4 cores in lockstep, operating up to 200 MHz, 1.5 MB flash, 192 KB RAM, and AEC-Q100 qualification for ambient temperatures up to 125°C. It integrates FlexCAN, FlexRay, SENT, LINFlexD, DSPI, Ethernet, and safety features targeting EPS and airbag control systems.
For engineers reviewing the SPC5742PK1AMLQ9R datasheet, SPC5742PK1AMLQ9R pinout, SPC5742PK1AMLQ9R application, or SPC5742PK1AMLQ9R equivalent, key selection criteria include ASIL-D functional safety support, dual-core lockstep execution, 1.5 MB embedded flash with end-to-end ECC, and dual-channel FlexRay interface for safety-critical vehicle networks.
Technical Context
The SPC5742PK1AMLQ9R implements two e200z4 cores in delayed lockstep with shared instruction fetch and comparison logic, enabling real-time fault detection per ISO 26262 ASIL-D requirements. It includes a 32-channel safe eDMA controller also operating in lockstep, and memory protection unit (MPU) with 16 configurable regions.
Peripherals are safety-enhanced: FlexCAN supports CAN FD and error confinement; FlexRay provides dual-channel deterministic time-triggered communication; SENT interfaces handle high-precision sensor data; and four 12-bit ADCs with 16 channels support analog monitoring with self-test capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 Power Architecture cores in hardware lockstep for ASIL-D fault detection |
| Max Clock Speed | 200 MHz - enables real-time motor control loop execution within ≤5 µs cycle time |
| Flash Memory | 1.5 MB with end-to-end ECC - supports secure boot, firmware updates, and runtime integrity checking |
| RAM | 192 KB SRAM with address+data ECC - protects safety-critical variables and stack against bit flips |
| Operating Temp | −40°C to +125°C - qualified for under-hood automotive applications including EPS and braking modules |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rails and regulated 3.3 V domains |
| Safety Features | Core/DMA lockstep, LBIST/MBIST, FCCU, ADC self-test, duplicate peripherals - fulfills ISO 26262 ASIL-D decomposition requirements |
Pinout & Package
SPC5742PK1AMLQ9R is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch), optimized for thermal performance and PCB routing density in automotive control units. Pin assignments follow NXP's MPC574xP standard pinout layout with dedicated safety-relevant signal groups.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_B | Analog power supply | Independent 5 V domains for ADC and reference circuitry; decoupling required per safety layout guidelines |
| VDD_IO | I/O power supply | 3.3 V domain supporting 5 V-tolerant inputs; enables direct interface with legacy automotive sensors |
| FSM_CLK | Functional Safety Monitor clock input | External clock source for FCCU watchdog and failure containment logic - mandatory for ASIL-D operation |
| FRAY_A_TX / FRAY_A_RX | FlexRay Channel A differential pair | Time-triggered deterministic bus interface; requires matched 100 Ω termination and shielded routing |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential signals | ISO 11898-2 compliant interface; supports wake-up on bus activity and error confinement mode |
| SENT0_IN | SENT protocol input channel | Supports single-wire high-resolution sensor data (e.g., throttle position, pedal travel) at up to 125 kbps |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep core | Hardware-level instruction-by-instruction comparison ensures immediate fault detection without software overhead |
| End-to-end ECC on Flash & SRAM | Corrects single-bit errors and detects double-bit errors across entire memory subsystem - critical for ASIL-D data integrity |
| Dual-channel FlexRay v2.1A | Enables redundant safety network communication with guaranteed latency ≤ 10 µs and synchronization accuracy ±1 µs |
| 4× 12-bit ADC with 16 ch. | Simultaneous sampling of torque, position, and current sensors in EPS systems with built-in self-test capability |
| FCCU with configurable failure modes | Allows system-level response mapping (e.g., fail-safe output assertion, core reset, or safe state entry) based on detected fault classes |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase control during steering maneuvers under varying load and temperature. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D motor control algorithms with lockstep core verification and dual FlexRay for redundancy. Use Value: Enables <100 µs control loop latency and fault reaction within 5 ms per ISO 26262 requirements for steering actuation. | Use Scenario: High-speed crash event detection, squib firing decision, and occupant classification using multi-axis accelerometers and pressure sensors. IC Role / Device Role / Timing Role: Safety domain controller managing sensor fusion, diagnostic monitoring, and pyro driver activation with dual-core lockstep validation. Use Value: Guarantees <20 ms total system response from impact detection to squib trigger, meeting FMVSS 208 compliance thresholds. |
| Safety Motor Controller | Braking & Stability Control |
Use Scenario: Closed-loop control of high-voltage traction motors in hybrid/electric vehicles with torque vectoring and regenerative braking coordination. IC Role / Device Role / Timing Role: Dual-core safety MCU interfacing with isolated gate drivers, current sensors, and resolver feedback via SENT and SPI. Use Value: Supports SIL3-compliant torque command validation and independent safe torque off (STO) path implementation. | Use Scenario: Integrated ABS, ESC, and AEB functions requiring synchronized wheel speed acquisition, hydraulic valve control, and radar/Vision data fusion. IC Role / Device Role / Timing Role: Central safety processor aggregating CAN FD, FlexRay, and SENT inputs while generating PWM outputs to solenoid valves. Use Value: Delivers deterministic 1 ms control cycles with hardware-based time synchronization across distributed ECUs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744P | 2.5 MB flash, 384 KB RAM, same package and safety architecture | Higher memory headroom for complex sensor fusion or OTA update stacks | Select when >1.5 MB code space or extended diagnostic logging is required |
| TC397XP-160F300N DC | TriCore™ architecture, 300 MHz, 8 MB flash, 8 MB RAM, AURIX™ safety concept | Different safety partitioning model (HSM + main core), broader peripheral set including HSM crypto engine | Choose for projects requiring integrated hardware security module or higher compute throughput in ADAS domain controllers |
Compared with SPC5742PK1AMLQ9R, the SPC5744P offers greater memory capacity while maintaining identical safety architecture and pin compatibility; the TC397XP provides higher performance and hardware security but requires different toolchain, safety certification artifacts, and board layout due to distinct packaging and power delivery.
Availability
SPC5742PK1AMLQ9R is available at Aetrix Electronics and suitable for electric power steering, airbag deployment systems, and braking control units requiring stable component supply across automotive production lifecycles.
Supply support for SPC5742PK1AMLQ9R 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 automotive control applications including EPS, airbags, and chassis domain controllers.
FAQ
What is the maximum operating temperature specification for SPC5742PK1AMLQ9R?
The SPC5742PK1AMLQ9R is rated for operation from −40°C to +125°C ambient temperature and is AEC-Q100 qualified for Grade 1 automotive use. This rating applies to the full 144-pin LQFP variant and supports placement in engine bay or transmission-mounted control units where thermal management is constrained. The SPC5742PK1AMLQ9R maintains functional safety integrity across this range via on-die thermal monitoring and adaptive clock gating.
Does SPC5742PK1AMLQ9R support CAN FD or only classical CAN?
The SPC5742PK1AMLQ9R integrates FlexCAN modules that support both classical CAN (ISO 11898-1) and CAN FD (ISO 11898-1:2015) with bit rates up to 5 Mbps in FD mode. Its FlexCAN controllers include message RAM with configurable filters, error confinement, and wake-up capability - all validated for ASIL-B integration. The SPC5742PK1AMLQ9R uses these features in EPS and braking ECUs for high-bandwidth actuator coordination.
How is functional safety implemented in SPC5742PK1AMLQ9R for ISO 26262 ASIL-D compliance?
The SPC5742PK1AMLQ9R achieves ASIL-D readiness through hardware lockstep execution of dual e200z4 cores, safe eDMA, end-to-end ECC on flash and SRAM, duplicate peripheral instances, LBIST/MBIST, FCCU-based failure containment, and ADC self-test. These mechanisms are documented in NXP's FS Functional Safety Manual for MPC574xP. The SPC5742PK1AMLQ9R requires proper configuration of safety libraries and diagnostic software to achieve full ASIL-D system-level compliance.
What development tools are officially supported for SPC5742PK1AMLQ9R firmware development?
NXP officially supports Green Hills MULTI IDE and Wind River Workbench for SPC5742PK1AMLQ9R application development, with debug probe compatibility for Lauterbach TRACE32, iSystem winIDEA, and PLS UDE. Runtime software includes NXP's SafeAssure-certified Flash and EEPROM drivers, and the SPC5742PK1AMLQ9R is validated with AUTOSAR 4.3+ BSW stacks. Development boards include the MPC574xP Motherboard with daughter cards for FlexRay, CAN FD, and SENT interface testing.
Is SPC5742PK1AMLQ9R pin-compatible with other MPC574xP family members in the same package?
Yes, the SPC5742PK1AMLQ9R shares identical pinout and electrical characteristics with other MPC574xP variants in the 144-pin LQFP package, including SPC5744P, SPC5743P, and SPC5741P. This allows hardware reuse across memory- and feature-scaled versions. However, firmware must be adapted for differences in flash size, RAM allocation, and peripheral enablement - the SPC5742PK1AMLQ9R requires specific linker scripts and startup code aligned to its 1.5 MB flash and 192 KB RAM configuration.
SPC5742PK1AMLQ9R 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:
- 200MHz
- Connectivity:
- CANbus, Ethernet, FlexRay, LINbus, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, WDT
- Number of I/O:
- -
- Program Memory Size:
- 1.5MB (1.5M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 192K 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:
SPC5742PK1AMLQ9R FAQ
1.How can I place an order for SPC5742PK1AMLQ9R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMLQ9R 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 SPC5742PK1AMLQ9R reliable?
The price and inventory of SPC5742PK1AMLQ9R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMLQ9R is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMLQ9R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMLQ9R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMLQ9R?
SPC5742PK1AMLQ9R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMLQ9R 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 SPC5742PK1AMLQ9R?
For technical support, including SPC5742PK1AMLQ9R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMLQ9R requirements.
6.How does Aetrix verify that SPC5742PK1AMLQ9R is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMLQ9R 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 SPC5742PK1AMLQ9R meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMLQ9R?
All SPC5742PK1AMLQ9R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMLQ9R, 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 SPC5742PK1AMLQ9R part is unused and in its original packaging.
Return procedure for SPC5742PK1AMLQ9R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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