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NXP Semiconductors SPC5742PK1AMLQ9
- Part No.:
- SPC5742PK1AMLQ9
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1AMLQ9.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,657
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Product details
Overview
SPC5742PK1AMLQ9 from NXP is an automotive-grade dual-core Power Architecture® microcontroller with two e200z4 cores in delayed lockstep, operating up to 200 MHz, featuring 1.5 MB flash, 192 KB RAM, FlexCAN, FlexRay, SENT, LINFlexD, and ISO 26262 ASIL-D support for safety-critical motor control in electric power steering systems.
For engineers reviewing the SPC5742PK1AMLQ9 datasheet, SPC5742PK1AMLQ9 pinout, SPC5742PK1AMLQ9 application, or SPC5742PK1AMLQ9 equivalent, key selection factors include lockstep core redundancy, end-to-end ECC memory protection, AEC-Q100 Grade 1 qualification (−40°C to 125°C), and integrated safety peripherals including FCCU and LBIST/MBIST.
Technical Context
The SPC5742PK1AMLQ9 implements dual e200z4 cores executing in hardware-synchronized delayed lockstep, with dedicated safety checker and crossbar switch supporting address+data ECC. Its memory subsystem includes 1.5 MB on-chip flash with I/D cache and 192 KB SRAM-both protected by address+data ECC-and supports safe boot via Flash Control Unit with secure update mechanisms.
Peripheral integration targets functional safety domains: dual-channel FlexRay™ with time-triggered communication, four SENT interfaces for sensor data acquisition, three FlexCAN controllers with message filtering and loopback modes, and two FlexPWM modules each supporting (2+1) channels for precise motor phase control with dead-time insertion and fault monitoring.
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 execution of complex EPS torque algorithms with <5 µs interrupt latency |
| Flash Memory | 1.5 MB - sufficient for dual-application image storage and safe firmware rollback |
| SRAM | 192 KB with address+data ECC - supports safety-critical variable storage and runtime diagnostics |
| Operating Voltage | 3.15 V to 5.5 V - compatible with automotive battery rail fluctuations without external regulation |
| Temperature Range | −40°C to +125°C - qualified per AEC-Q100 Grade 1 for under-hood EPS ECU placement |
| Safety Features | Core/DMA lockstep, e2eECC, duplicate peripherals, LBIST/MBIST, ADC self-test, FCCU - fulfills ISO 26262 ASIL-D requirements |
Pinout & Package
SPC5742PK1AMLQ9 is packaged in a 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) with exposed thermal pad, optimized for automotive PCB thermal management and reflow compatibility. Pin assignments follow NXP's MPC574xP standard layout for mechanical and signal integrity consistency across the family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_IO_0–VDD_IO_7 | I/O supply rails | Eight independent 3.3 V domains enable selective I/O bank power-down and noise isolation |
| VDDA, VREFH, VREFL | Analog reference & supply | Dedicated 5 V analog domain with buffered reference inputs for 12-bit ADC accuracy |
| FSM_CLK, FSM_RST | Functional Safety Monitor interface | External clock and reset signals for FCCU-based safety state supervision and fail-safe assertion |
| FLEXRAY_A_TX, FLEXRAY_A_RX | FlexRay Channel A differential pair | Hardened transceiver pins supporting 10 Mbit/s time-triggered communication with built-in CRC and synchronization |
| CAN0_TX, CAN0_RX | FlexCAN Controller 0 differential interface | Integrated CAN physical layer interface compliant with ISO 11898-2, supporting 1 Mbit/s operation |
| SENT0–SENT3 | SENT sensor input channels | Four dedicated SENT decoders accepting 1–32 bit pulse-width modulated sensor data from pressure/position sensors |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-enforced instruction-level comparison detects transient faults with <100 ns response for ASIL-D diagnostic coverage |
| End-to-end ECC on flash & SRAM | Corrects single-bit errors and detects double-bit errors across entire memory path-including cache, bus, and controller |
| FlexRay dual-channel support | Enables redundant communication paths for safety domain controllers requiring deterministic latency <10 µs |
| Four independent SENT interfaces | Allows direct connection to four high-precision automotive sensors (e.g., torque, angle, pressure) without external decoding logic |
| FCCU with configurable safety states | Provides centralized failure classification, error injection testing, and fail-safe output assertion (e.g., PWM shutdown, CAN silent mode) |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor current control in column-assist and rack-assist EPS modules. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D torque algorithm, managing dual FlexPWM outputs, and monitoring SENT-based torque/angle sensors. Use Value: Lockstep core execution and e2eECC memory ensure <10−9 FIT failure rate required for EPS functional safety certification. | Use Scenario: Sensor fusion and pyrotechnic deployment decision-making in dual-redundant airbag control units. IC Role / Device Role / Timing Role: Safety-critical host processor interfacing with accelerometers, pressure sensors (SENT), and crash event recorders via FlexCAN. Use Value: FCCU-managed fail-safe states and LBIST/MBIST enable full self-test coverage during vehicle power-up and periodic runtime checks. |
| Safety Domain Controller | Braking & Stability Control |
Use Scenario: Centralized coordination of multiple ASIL-B subsystems (e.g., EPS, braking, suspension) within a zonal architecture. IC Role / Device Role / Timing Role: High-integrity gateway MCU with dual FlexRay channels for time-triggered inter-domain communication and FlexCAN for legacy subsystem bridging. Use Value: Dual FlexRay + three FlexCAN controllers provide deterministic, fault-tolerant messaging across safety domains without external protocol translators. | Use Scenario: Closed-loop hydraulic pressure modulation and wheel-speed-based slip control in ESC/VSC modules. IC Role / Device Role / Timing Role: Real-time controller acquiring 12-bit ADC data from four wheel speed sensors and driving FlexPWM-controlled solenoid valves. Use Value: Four 12-bit ADCs with 16-channel mux and hardware trigger synchronization enable sub-10 µs sampling jitter for accurate slip detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PK1AMLQ9 | 2.5 MB flash, 384 KB SRAM, same package and pinout | Supports larger safety firmware images and dual-application redundancy with extended diagnostic logging | Select when >1.5 MB code space or >192 KB safety RAM is required for ASIL-D software partitioning |
| SPC5743PK1AMLQ9 | 2 MB flash, 256 KB SRAM, identical safety architecture and peripheral set | Offers intermediate memory capacity for cost-optimized EPS or airbag variants requiring moderate feature sets | Choose for balanced memory sizing where 1.5 MB flash is insufficient but 2.5 MB is over-provisioned |
Compared with SPC5742PK1AMLQ9, the SPC5744PK1AMLQ9 provides higher memory headroom for future firmware updates and dual-image safe boot, while the SPC5743PK1AMLQ9 delivers incremental memory scaling-both retain identical safety mechanisms, lockstep timing, and pin-compatible LQFP packaging for seamless migration.
Availability
SPC5742PK1AMLQ9 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 traceability.
Supply support for SPC5742PK1AMLQ9 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 leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and embedded processing.
The MPC574xP product line delivers Power Architecture®-based MCUs engineered specifically for ASIL-D automotive safety applications-including EPS, airbag, and chassis control-integrating lockstep cores, end-to-end ECC, and certified safety peripherals from silicon to software.
FAQ
What is the maximum operating temperature rating for the SPC5742PK1AMLQ9?
The SPC5742PK1AMLQ9 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 environments and aligns with thermal requirements for electric power steering ECUs. The device's internal thermal monitoring and FCCU-based fail-safe response ensure reliable behavior at the upper limit. SPC5742PK1AMLQ9 maintains full functional safety compliance across this entire range.
Does the SPC5742PK1AMLQ9 support Ethernet communication?
No, the SPC5742PK1AMLQ9 does not integrate an Ethernet MAC or PHY. While the broader MPC574xP family includes Ethernet support in select variants (e.g., SPC5746C), the SPC5742PK1AMLQ9 omits this peripheral to optimize die size and cost for core safety applications like EPS and airbag control. Communication is handled via FlexRay, FlexCAN, LINFlexD, and SENT interfaces. SPC5742PK1AMLQ9 retains full ASIL-D capability without Ethernet.
How many SENT interfaces does the SPC5742PK1AMLQ9 include, and what is their function?
The SPC5742PK1AMLQ9 integrates four dedicated SENT receiver interfaces, each capable of decoding standard SENT frames (single- or dual-nibble, fast- or slow-channel) from automotive sensors. These interfaces directly acquire torque, angle, and pressure data without CPU intervention, reducing latency and offloading the e200z4 cores. SENT decoding is hardware-accelerated and supports CRC validation. SPC5742PK1AMLQ9 uses these for real-time sensor fusion in safety-critical loops.
Is the SPC5742PK1AMLQ9 pin-compatible with other MPC574xP family members?
Yes, the SPC5742PK1AMLQ9 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5741P, SPC5743P, and SPC5744P in the same package variant. Signal mapping, power pin locations, and safety monitor terminals (e.g., FSM_CLK, FSM_RST) are fully aligned. This enables hardware reuse across memory-tier variants. SPC5742PK1AMLQ9 can be substituted on existing PCBs designed for those parts without layout changes.
What safety certifications apply to the SPC5742PK1AMLQ9?
The SPC5742PK1AMLQ9 is designed to support ISO 26262 ASIL-D and IEC 61508 SIL3 compliance through integrated hardware safety features: dual-core lockstep execution, end-to-end ECC on flash and SRAM, duplicate peripheral instances, LBIST/MBIST, ADC self-test, and FCCU-based failure classification. It is AEC-Q100 qualified Grade 1. Certification evidence is provided in NXP's SafeAssure documentation suite-not inherent to the silicon alone. SPC5742PK1AMLQ9 requires proper system-level integration to achieve full ASIL-D.
SPC5742PK1AMLQ9 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:
- 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:
SPC5742PK1AMLQ9 FAQ
1.How can I place an order for SPC5742PK1AMLQ9 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMLQ9 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 SPC5742PK1AMLQ9 reliable?
The price and inventory of SPC5742PK1AMLQ9 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMLQ9 is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMLQ9?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMLQ9 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMLQ9?
SPC5742PK1AMLQ9 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMLQ9 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 SPC5742PK1AMLQ9?
For technical support, including SPC5742PK1AMLQ9 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMLQ9 requirements.
6.How does Aetrix verify that SPC5742PK1AMLQ9 is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMLQ9 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 SPC5742PK1AMLQ9 meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMLQ9?
All SPC5742PK1AMLQ9 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMLQ9, 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 SPC5742PK1AMLQ9 part is unused and in its original packaging.
Return procedure for SPC5742PK1AMLQ9:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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