NXP Semiconductors SPC5742PK1AMLQ8R
- Part No.:
- SPC5742PK1AMLQ8R
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1AMLQ8R.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
SPC5742PK1AMLQ8R 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 safety-critical motor control in electric power steering systems.
For engineers reviewing the SPC5742PK1AMLQ8R datasheet, SPC5742PK1AMLQ8R pinout, SPC5742PK1AMLQ8R application, or SPC5742PK1AMLQ8R equivalent, key selection criteria include ASIL-D functional safety support, dual FlexRay™ channels, SENT interface for sensor communication, FlexPWM with 4×(2+1) channels, and 144-pin LQFP packaging for high-temperature automotive environments.
Technical Context
The SPC5742PK1AMLQ8R implements two e200z4 cores in delayed lockstep with embedded floating-point unit and end-to-end ECC across flash, SRAM, and crossbar switch-enabling ISO 26262 ASIL-D compliance. It integrates dual-channel FlexRay™, three FlexCAN controllers, four SENT receivers, and four 12-bit ADCs with 16-channel multiplexing.
Its safety architecture includes lockstep DMA, duplicate peripherals, LBIST/MBIST, FCCU fault collection, and ADC self-test. The device supports 3.15 V to 5.5 V supply and operates from −40°C to 125°C ambient, matching AEC-Q100 Grade 1 requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual e200z4 cores in delayed lockstep, enabling hardware-level fault detection for ASIL-D applications |
| Max Clock Speed | 200 MHz - delivers deterministic real-time response for EPS and braking control loops |
| Flash Memory | 1.5 MB with I/D cache and address+data ECC - supports secure boot and robust code storage |
| RAM | 192 KB SRAM with address+data ECC - enables safe data buffering for sensor fusion and control algorithms |
| Analog Input | 4 × 12-bit ADCs, 16-channel total - provides simultaneous sampling for torque, position, and current sensing |
| Communication Interfaces | 3 × FlexCAN, 2 × FlexRay™, 4 × SENT, 2 × LINFlexD, 4 × DSPI - meets multi-bus domain controller requirements |
| PWM Generation | 2 × FlexPWM modules, each with 4 × (2+1) channels - supports 3-phase motor gate drive with dead-time control |
| Operating Temperature | −40°C to +125°C ambient - certified per AEC-Q100 Grade 1 for under-hood deployment |
Pinout & Package
SPC5742PK1AMLQ8R is housed in a 144-pin LQFP package (16 × 16 mm, 0.5 mm pitch), optimized for thermal dissipation and PCB routing in compact automotive ECUs. Pin assignments follow NXP's MPC574xP standard pinout layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_MAIN | Main power supply input | Accepts 3.15–5.5 V; powers core logic, flash, and analog subsystems |
| VDDA | Analog power supply | Independent 3.15–5.5 V rail for ADC and analog comparators to minimize noise coupling |
| RESET_IN | Asynchronous reset input | Active-low signal triggering full system reset and FCCU fault recovery sequence |
| JTAG_TCK/TMS/TDI/TDO | Nexus Class 3 debug interface | Enables real-time trace, safety verification, and ASIL-D-compliant runtime diagnostics |
| FLEXRAY_A_TX/RX | FlexRay™ Channel A differential pair | Supports deterministic, time-triggered communication at up to 10 Mbps for safety domain coordination |
| SENT0–SENT3 | SENT receiver inputs | Four dedicated pins for direct connection to pressure, temperature, or position sensors using SENT protocol |
| FLEXPWM_A_CH0–CH2 | PWM output group A | Three complementary outputs with programmable dead time for 3-phase inverter leg control |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core lockstep execution | Hardware-enforced instruction and result comparison between e200z4 cores eliminates undetected transient faults |
| End-to-end ECC protection | Applies to flash, SRAM, and crossbar data paths - prevents silent data corruption in safety-critical memory operations |
| FlexRay™ dual-channel support | Enables redundant or split-domain communication for brake-by-wire or steer-by-wire systems requiring <10 µs jitter |
| SENT interface (4 channels) | Direct digital sensor interface eliminating external ADC and signal conditioning for Hall-effect and pressure sensors |
| Functional Safety Peripherals | Includes FCCU, LBIST/MBIST, ADC self-test, and duplicate timer/peripheral blocks meeting ISO 26262 ASIL-D decomposition requirements |
| Automotive voltage range | 3.15–5.5 V operation accommodates battery transients and cold-crank conditions without external regulators |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation during vehicle maneuvering. IC Role / Device Role / Timing Role: Primary safety MCU executing ASIL-D motor control algorithms with lockstep core supervision and PWM timing accuracy <100 ns. Use Value: Enables fail-operational behavior via redundant FlexRay™ and SENT interfaces, reducing reliance on external safety monitors. | Use Scenario: High-integrity crash event detection, pyrotechnic trigger sequencing, and occupant classification sensor fusion. IC Role / Device Role / Timing Role: Safety domain controller managing dual ADC sampling, CAN message arbitration, and FCCU-based fault escalation within <5 ms. Use Value: On-chip LBIST/MBIST and ADC self-test eliminate need for external BIST circuitry, shrinking BOM and board area. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of 48 V BLDC actuators in active suspension or brake caliper modules. IC Role / Device Role / Timing Role: Dual-core lockstep MCU coordinating FlexPWM, eTimer, and CTU for synchronized current/voltage sampling and commutation timing. Use Value: 192 KB ECC-protected RAM allows real-time storage of multiple motor profiles and fault logs without external memory. | Use Scenario: Sensor data aggregation from radar, camera, and wheel speed modules for longitudinal vehicle control. IC Role / Device Role / Timing Role: Domain gateway MCU handling FlexCAN FD, LINFlexD, and DSPI to route time-stamped messages with <1 µs timestamp resolution. Use Value: Integrated 3× FlexCAN and 2× LINFlexD reduce inter-ECU wiring complexity and enable centralized diagnostics over UDS. |
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 core and peripheral set | Higher memory capacity supports larger AUTOSAR OS and complex sensor fusion stacks | Select when application requires >1.5 MB code space or >192 KB runtime data buffers |
| SPC5743P | 2 MB flash, 256 KB RAM, identical package and pinout | Balances memory headroom and cost for mid-tier EPS or airbag modules | Preferred for designs targeting ASIL-D compliance with moderate memory footprint and legacy LQFP layout reuse |
Compared with SPC5742PK1AMLQ8R, the SPC5744P offers expanded memory for AUTOSAR-based architectures, while the SPC5743P provides incremental RAM/flash uplift without changing PCB layout-making both viable alternatives depending on software stack size and safety certification scope.
Availability
SPC5742PK1AMLQ8R 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-compliant sourcing.
Supply support for SPC5742PK1AMLQ8R 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, delivering secure, energy-efficient, and scalable silicon solutions.
The SPC5742PK1AMLQ8R belongs to the MPC574xP family-designed specifically for ASIL-D automotive safety applications including EPS, braking, and domain control, with integrated lockstep cores and safety-certified peripherals.
FAQ
What is the maximum operating temperature for SPC5742PK1AMLQ8R?
The SPC5742PK1AMLQ8R 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 integrity, and FlexRay™ timing stability-ensuring reliable function in engine bay and transmission control environments where SPC5742PK1AMLQ8R is commonly deployed.
Does SPC5742PK1AMLQ8R support ISO 26262 ASIL-D compliance out of the box?
SPC5742PK1AMLQ8R is architected to support ISO 26262 ASIL-D development, with hardware features including dual e200z4 lockstep cores, end-to-end ECC, duplicate peripherals, FCCU, and built-in self-test. However, achieving full ASIL-D certification requires integration with NXP's SafeAssure safety software, proper configuration of safety mechanisms, and system-level validation-SPC5742PK1AMLQ8R itself provides the foundational hardware capability required by the standard.
What package type does SPC5742PK1AMLQ8R use?
SPC5742PK1AMLQ8R uses a 144-pin LQFP package (16 mm × 16 mm, 0.5 mm pitch) with exposed thermal pad. This package is pin-compatible with other MPC574xP variants like SPC5743P and SPC5744P in LQFP format, enabling design reuse across memory tiers while maintaining mechanical and thermal compatibility in automotive ECU assemblies where SPC5742PK1AMLQ8R is mounted.
How many SENT interfaces does SPC5742PK1AMLQ8R support?
SPC5742PK1AMLQ8R supports four dedicated SENT receiver channels (SENT0–SENT3), each capable of decoding standard SENT frames from pressure, temperature, or position sensors. These interfaces operate independently with configurable sampling windows and CRC checking-enabling direct sensor connectivity without external signal conditioning, a key feature leveraged in EPS and airbag systems using SPC5742PK1AMLQ8R.
Is SPC5742PK1AMLQ8R pin-compatible with SPC5743P in the same package?
Yes-SPC5742PK1AMLQ8R and SPC5743P share identical 144-pin LQFP package dimensions, pinout, and electrical characteristics. Their functional differences (flash size, RAM size) do not affect pin assignment or I/O behavior, allowing drop-in replacement in existing layouts. This compatibility simplifies memory-scaling decisions during SPC5742PK1AMLQ8R-based ECU development and qualification.
SPC5742PK1AMLQ8R 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:
- 180MHz
- 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:
SPC5742PK1AMLQ8R FAQ
1.How can I place an order for SPC5742PK1AMLQ8R through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1AMLQ8R 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 SPC5742PK1AMLQ8R reliable?
The price and inventory of SPC5742PK1AMLQ8R are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1AMLQ8R is usually 5 days.
3.What payment methods are accepted for SPC5742PK1AMLQ8R?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1AMLQ8R transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1AMLQ8R?
SPC5742PK1AMLQ8R orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1AMLQ8R 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 SPC5742PK1AMLQ8R?
For technical support, including SPC5742PK1AMLQ8R datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1AMLQ8R requirements.
6.How does Aetrix verify that SPC5742PK1AMLQ8R is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1AMLQ8R 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 SPC5742PK1AMLQ8R meets industry standards.
7.What is the process for return or replacement of SPC5742PK1AMLQ8R?
All SPC5742PK1AMLQ8R units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1AMLQ8R, 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 SPC5742PK1AMLQ8R part is unused and in its original packaging.
Return procedure for SPC5742PK1AMLQ8R:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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