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NXP Semiconductors SPC5742PK1AMLQ5
- Part No.:
- SPC5742PK1AMLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1AMLQ5.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,284
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Product details
Overview
SPC5742PK1AMLQ5 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, and integrated FlexCAN, FlexRay, SENT, LINFlexD, DSPI, and Ethernet interfaces for safety-critical motor control and domain controller applications.
For engineers reviewing the SPC5742PK1AMLQ5 datasheet, SPC5742PK1AMLQ5 pinout, SPC5742PK1AMLQ5 application, or SPC5742PK1AMLQ5 equivalent, key selection criteria include ASIL-D functional safety compliance, dual-channel FlexRay support, lockstep eDMA, end-to-end ECC memory protection, and operation up to 135°C ambient temperature in automotive powertrain and chassis systems.
Technical Context
The SPC5742PK1AMLQ5 implements a safety-critical architecture with dual e200z4 cores executing in delayed lockstep, coupled with lockstep eDMA and duplicated peripherals including ADCs, timers, and communication controllers. It integrates FCCU for fault collection and control, LBIST/MBIST for structural testing, and ADC self-test to meet ISO 26262 ASIL-D requirements.
Memory subsystem includes 1.5 MB on-chip flash with instruction/data ECC and 192 KB SRAM with address/data ECC. The crossbar switch enforces E2E ECC on all memory transactions, while the Safety Lake monitors core execution integrity and triggers safe state transitions upon detected faults.
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 deterministic control loops in EPS and braking systems |
| Flash Memory | 1.5 MB with I/D ECC - supports secure boot, OTA updates, and redundancy for safety firmware |
| SRAM | 192 KB with A/D ECC - provides protected workspace for safety-critical task stacks and data buffers |
| Operating Temp | −40°C to 135°C - qualified for under-hood automotive environments per AEC-Q100 Grade 0 |
| Supply Voltage | 3.15 V to 5.5 V - compatible with 5 V automotive battery rails and regulated 3.3 V domains |
| Safety Certification | ISO 26262 ASIL-D ready - includes lockstep cores, e2eECC, duplicate peripherals, and FCCU |
Pinout & Package
SPC5742PK1AMLQ5 is packaged in a 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) with thermal pad, optimized for automotive PCB layouts requiring high pin count and thermal reliability. Pin assignments follow NXP's MPC574xP standard pinout for 144 LQFP variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main supply input | Accepts 3.15–5.5 V; powers core logic, flash, and analog blocks |
| VDD_IO | I/O supply input | Independent 3.3 V rail for GPIO, CAN, LIN, and SPI I/O voltage level setting |
| RESET_IN | Asynchronous reset input | Active-low signal monitored by FCCU to initiate safe reset sequence on fault detection |
| FLEXRAY_A_TX | FlexRay channel A transmit | Differential output driving FR-A bus; supports 10 Mbps with built-in protocol acceleration |
| FLEXRAY_B_RX | FlexRay channel B receive | Differential input for FR-B bus; enables redundant communication path for fail-operational systems |
| CAN0_TX | FlexCAN channel 0 transmit | High-speed CAN FD-capable output (up to 5 Mbps) for vehicle network integration |
| SENT0_CH0 | SENT interface channel 0 | Single-wire sensor interface supporting 12-bit resolution at 125 kbps for position/pressure sensors |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Enables continuous hardware-level comparison of instruction execution to detect transient or permanent faults |
| End-to-end ECC on flash & SRAM | Corrects single-bit errors and detects multi-bit errors across entire memory subsystem for data integrity |
| Dual-channel FlexRay v2.1A | Provides time-triggered, deterministic communication with fault-tolerant dual-bus capability for chassis control |
| 4× 12-bit ADC with 16 channels | Supports simultaneous sampling of torque, position, current, and temperature sensors in motor control loops |
| FCCU with configurable fault response | Centralized fault management unit that logs errors, initiates safe states, and coordinates system-level recovery |
| LBIST/MBIST and ADC self-test | On-chip structural and analog self-test routines executed at startup or runtime to validate silicon health |
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 fail-operational behavior via dual FlexRay channels and lockstep eDMA-ensuring continued assist even during partial hardware failure. | Use Scenario: High-integrity crash event detection, pyrotechnic trigger sequencing, and occupant classification using multiple sensor inputs. IC Role / Device Role / Timing Role: Safety domain controller managing ADC-sampled accelerometer data, CAN-based sensor fusion, and SENT-connected pressure sensors. Use Value: 192 KB ECC-protected SRAM and FCCU-managed safe state transitions guarantee deterministic response within <10 ms after impact detection. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of 48 V BLDC motors in active suspension or brake-by-wire actuators with functional safety enforcement. IC Role / Device Role / Timing Role: Dual-core lockstep MCU running motor FOC algorithms, monitoring current/voltage feedback via 4× ADC, and enforcing safe torque limits. Use Value: 1.5 MB flash with ECC stores dual firmware images and safety monitor code, enabling rollback on corruption detection. | Use Scenario: Fusion of radar, camera, and vehicle speed data to compute inter-vehicle distance and adjust throttle/brake commands. IC Role / Device Role / Timing Role: Domain controller interfacing with radar via DSPI, receiving vehicle dynamics over FlexCAN, and issuing actuator commands via FlexPWM. Use Value: 200 MHz clock and 2× FlexPWM with 4× (2+1) channels deliver precise timing for servo and solenoid control with <1 µs jitter. |
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 SRAM, same 144 LQFP package and peripheral set | Higher memory capacity supports larger AUTOSAR stacks and dual-application partitioning | Select when extended firmware storage, additional safety partitions, or future-proofing for software-defined vehicle features is required |
| SPC5743P | 2 MB flash, 256 KB SRAM, identical safety architecture and pinout | Balances memory headroom and cost for mid-tier EPS and airbag modules | Choose for cost-sensitive ASIL-D designs needing more flash than SPC5742PK1AMLQ5 but less than SPC5744P |
Compared with SPC5742PK1AMLQ5, SPC5744P offers +1 MB flash and +192 KB SRAM for complex safety software, while SPC5743P provides +0.5 MB flash and +64 KB SRAM at lower bill-of-materials cost-both retain identical safety mechanisms, peripheral configuration, and 144 LQFP footprint.
Availability
SPC5742PK1AMLQ5 is available at Aetrix Electronics and suitable for electric power steering, airbag control, and adaptive cruise control systems requiring stable component supply, long-term automotive lifecycle support, and AEC-Q100 Grade 0 qualification.
Supply support for SPC5742PK1AMLQ5 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 leader in automotive, industrial, and IoT semiconductors, headquartered in Eindhoven, Netherlands, with deep expertise in functional safety and secure processing.
The MPC574xP product line delivers ASIL-D-ready Power Architecture MCUs for safety-critical automotive domain controllers, focusing on electric powertrain, chassis, and advanced driver assistance systems.
FAQ
What is the maximum ambient operating temperature for SPC5742PK1AMLQ5?
The SPC5742PK1AMLQ5 is rated for −40°C to +135°C ambient temperature and qualified to AEC-Q100 Grade 0. This specification enables direct placement in high-temperature under-hood locations such as EPS motor housings or brake control units without external cooling. The device maintains full functionality-including lockstep core operation, ECC memory integrity, and FlexRay timing accuracy-across this full range. Thermal derating is not required up to 135°C.
Does SPC5742PK1AMLQ5 support CAN FD communication?
Yes, the SPC5742PK1AMLQ5 includes three FlexCAN modules, each supporting CAN FD with data rates up to 5 Mbps and flexible data field lengths. The CAN FD implementation complies with ISO 11898-1:2015 and includes hardware message filtering, timestamping, and error counters. This capability allows SPC5742PK1AMLQ5 to serve as a backbone node in modern vehicle networks where higher bandwidth is needed for ADAS sensor fusion or OTA update distribution.
How does SPC5742PK1AMLQ5 implement end-to-end ECC?
SPC5742PK1AMLQ5 applies end-to-end ECC across its entire memory subsystem: 1.5 MB flash uses Hamming-code ECC for instruction and data protection, while 192 KB SRAM employs SEC-DED ECC with address/data coverage. The crossbar switch enforces ECC checking on all read/write paths between cores, DMA, and peripherals. Any uncorrectable error triggers FCCU-initiated safe state entry. This architecture meets ISO 26262 ASIL-D requirements for memory integrity in safety-critical applications.
Is SPC5742PK1AMLQ5 pin-compatible with other MPC574xP variants in 144 LQFP?
Yes, SPC5742PK1AMLQ5 shares identical pinout, package dimensions, and thermal pad layout with SPC5741P, SPC5743P, and SPC5744P in the 144 LQFP variant. All signals-including power, ground, FlexRay, CAN, SENT, and ADC pins-are mapped identically. This enables drop-in replacement during design iteration or volume production scaling without PCB revision, provided firmware and memory usage align with the selected variant's flash/SRAM capacity.
What development tools are officially supported for SPC5742PK1AMLQ5?
NXP officially supports SPC5742PK1AMLQ5 with the S32 Design Studio IDE, Green Hills MULTI compiler, Lauterbach TRACE32 debugger, and MPC574xP mother evaluation board (MPC574xP-MB). Runtime software includes SPC574xP Flash and EEPROM drivers, SafeAssure safety libraries, and AUTOSAR-compliant MCAL modules. These tools enable full ASIL-D software development, static analysis, and certification evidence generation for ISO 26262 projects.
SPC5742PK1AMLQ5 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:
- 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:
SPC5742PK1AMLQ5 FAQ
1.How can I place an order for SPC5742PK1AMLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMLQ5 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 SPC5742PK1AMLQ5 reliable?
The price and inventory of SPC5742PK1AMLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMLQ5?
SPC5742PK1AMLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMLQ5 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 SPC5742PK1AMLQ5?
For technical support, including SPC5742PK1AMLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMLQ5 requirements.
6.How does Aetrix verify that SPC5742PK1AMLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMLQ5 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 SPC5742PK1AMLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMLQ5?
All SPC5742PK1AMLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMLQ5, 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 SPC5742PK1AMLQ5 part is unused and in its original packaging.
Return procedure for SPC5742PK1AMLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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