NXP Semiconductors SPC5742PK1MLQ5
- Part No.:
- SPC5742PK1MLQ5
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
SPC5742PK1MLQ5.pdf
- Description:
- IC MCU 32BIT 1.5MB FLASH 144LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,683
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
SPC5742PK1MLQ5 from NXP is an automotive-grade 32-bit Power Architecture MCU with dual e200z4 cores in lockstep, operating up to 200 MHz, featuring 1.5 MB flash, 192 KB RAM, and integrated FlexCAN, FlexRay, SENT, LINFlexD, DSPI, and Ethernet interfaces - deployed in electric power steering and airbag systems.
For engineers reviewing the SPC5742PK1MLQ5 datasheet, SPC5742PK1MLQ5 pinout, SPC5742PK1MLQ5 application, or SPC5742PK1MLQ5 equivalent, key selection criteria include ASIL-D functional safety compliance, dual-core lockstep execution, 144-pin LQFP package, -40°C to 125°C ambient operation, and support for safety-critical motor control and domain controller designs.
Technical Context
The SPC5742PK1MLQ5 implements two e200z4 cores in delayed lockstep with embedded floating-point unit (S-FPU), crossbar-switched memory architecture with end-to-end ECC on flash and SRAM, and dedicated safety peripherals including FCCU, LBIST/MBIST, and ADC self-test.
It integrates dual-channel FlexRay v2.1A, three FlexCAN controllers (ISO 11898-1 compliant), four SENT receivers, four 12-bit ADCs (16-channel total), and two FlexPWM modules each supporting (2+1) channels - all designed for deterministic real-time response in ISO 26262 ASIL-D systems.
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 control loop execution within ≤5 µs latency budgets |
| Flash Memory | 1.5 MB with ECC and read-while-write capability - supports secure boot and OTA update partitions |
| SRAM | 192 KB with address+data ECC - protects safety-critical variables and stack integrity |
| Operating Voltage | 3.15 V to 5.5 V - compatible with automotive battery rail transients per ISO 16750-2 |
| Temperature Range | -40°C to +125°C ambient - qualified per AEC-Q100 Grade 1 for under-hood deployment |
| Functional Safety | ISO 26262 ASIL-D ready with core/DMA lockstep, duplicate peripherals, and FCCU-based fault containment |
Pinout & Package
SPC5742PK1MLQ5 is housed in a 144-pin LQFP (16 × 16 mm, 0.5 mm pitch) package with exposed thermal pad. Pin functions are defined per NXP reference schematic MPC574xP-RM and validated against package drawing LQFP144-P-M1616.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_A, VDD_IO | Analog & I/O supply rails | Separate 3.3 V domains enable noise isolation between ADC and digital logic |
| VRH, VRL | ADC reference voltage inputs | Support external precision reference or internal 3.3 V bandgap for 12-bit conversion accuracy |
| FSCLK, FSDATA | FlexRay channel A differential pair | Terminated 100 Ω differential interface supporting 10 Mbps bus communication |
| CAN0_TX, CAN0_RX | FlexCAN controller 0 physical interface | Integrated transceiver driver stage supports ISO 11898-2 high-speed CAN up to 1 Mbps |
| SENT0_0–SENT0_3 | SENT receiver inputs | Four independent SENT decoders for direct connection to pressure/position sensors without external logic |
| ETXD0–ETXD3, ERXD0–ERXD3 | Ethernet MAC interface | RMII-compliant 50 MHz interface supporting IEEE 802.3u 10/100BASE-TX |
Key Features
| Feature | Design Value |
|---|---|
| Dual e200z4 lockstep cores | Hardware-level comparison and error signaling eliminates undetected silent data corruption in safety-critical paths |
| End-to-end ECC on flash & SRAM | Corrects single-bit errors and detects double-bit errors across instruction, data, and metadata storage |
| FlexRay v2.1A dual-channel | Enables time-triggered communication for synchronized actuator control in chassis domain ECUs |
| Four 12-bit ADCs with 16 channels | Simultaneous sampling across multiple sensors supports torque/position feedback in EPS without external muxing |
| FCCU with configurable fault responses | Programmable reaction to detected faults - from interrupt generation to safe state activation and reset assertion |
Applications
| Electric Power Steering (EPS) | Airbag System Control |
|---|---|
Use Scenario: Real-time torque assist calculation and motor phase current regulation during steering maneuvers. IC Role / Device Role / Timing Role: Primary safety controller executing ASIL-D motor control algorithms with lockstep core verification. Use Value: 200 MHz dual-core execution ensures ≤2 µs current-loop update rate while maintaining fault coverage per ISO 26262. | Use Scenario: Collision event detection, squib firing sequence validation, and occupant position sensor fusion. IC Role / Device Role / Timing Role: Central safety domain controller managing critical timing windows for pyrotechnic deployment. Use Value: Dual FlexCAN + FlexRay interfaces enable redundant communication with crash sensors and restraint actuators. |
| Safety Motor Controller | Adaptive Cruise Control (ACC) |
Use Scenario: Closed-loop control of brake-by-wire or steer-by-wire actuators with fail-safe torque limiting. IC Role / Device Role / Timing Role: Hardware-verified motion controller with lockstep PWM generation and SENT-based position feedback. Use Value: Integrated SENT receivers and FlexPWM (2+1) channels eliminate external signal conditioning for motor position sensing. | Use Scenario: Radar data preprocessing, vehicle dynamics modeling, and longitudinal actuator coordination. IC Role / Device Role / Timing Role: Domain controller interfacing radar via DSPI and managing CAN/Ethernet gateway functions. Use Value: 1.5 MB flash accommodates multi-layer ACC software stacks with secure boot and diagnostic firmware partitions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive safety microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SPC5744PK1MLQ5 | 2.5 MB flash, 384 KB SRAM, same package and pinout | Supports larger AUTOSAR OS images and complex sensor fusion algorithms | Select when additional memory headroom is required for future software scalability |
| TC397XP-160F300N AC | TriCore™ architecture, 300 MHz, 8 MB flash, 8 MB RAM, different pinout and safety library ecosystem | Targets higher-tier ADAS domain controllers with multi-core task partitioning | Choose for new designs requiring >200 MHz deterministic performance and broader peripheral integration |
Compared with SPC5742PK1MLQ5, the SPC5744PK1MLQ5 offers memory headroom without layout changes, while the TC397XP requires PCB redesign but delivers higher compute throughput and expanded ASIL-D runtime monitoring capabilities.
Availability
SPC5742PK1MLQ5 is available at Aetrix Electronics and suitable for electric power steering, airbag system control, and safety motor controller applications requiring stable component supply across automotive production lifecycles.
Supply support for SPC5742PK1MLQ5 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 optimized for safety-critical chassis, powertrain, and domain control applications in modern vehicles.
FAQ
What is the maximum operating temperature for the SPC5742PK1MLQ5?
The SPC5742PK1MLQ5 is rated for operation from -40°C to +125°C ambient temperature and qualified per AEC-Q100 Grade 1. This specification applies to the full 144-pin LQFP variant and supports under-hood deployment in electric power steering and braking systems where thermal management is constrained.
Does the SPC5742PK1MLQ5 support Ethernet communication?
Yes, the SPC5742PK1MLQ5 integrates an IEEE 802.3u-compliant Ethernet MAC with RMII interface supporting 10/100BASE-TX speeds. It requires external PHY and magnetics but provides full TCP/IP stack readiness through NXP's S32DS IDE and AUTOSAR-compliant drivers - essential for gateway and domain controller roles in SPC5742PK1MLQ5-based architectures.
How does the SPC5742PK1MLQ5 implement functional safety for ASIL-D compliance?
The SPC5742PK1MLQ5 achieves ASIL-D readiness through hardware lockstep execution of dual e200z4 cores, end-to-end ECC on flash and SRAM, duplicate safety-critical peripherals, built-in self-test (LBIST/MBIST), FCCU-managed fault containment, and ADC self-test routines - all documented in NXP's MPC574xP Functional Safety Manual and certified by TÜV SÜD for ISO 26262.
What communication interfaces are integrated into the SPC5742PK1MLQ5?
The SPC5742PK1MLQ5 integrates FlexCAN (3 controllers), FlexRay (dual-channel), LINFlexD (2 channels), DSPI (4 modules), SENT (4 receivers), Ethernet (RMII), and SIPI/LFAST 3G IF. These interfaces support concurrent high-integrity communication across chassis, powertrain, and ADAS subsystems without external bridge ICs - a key enabler for centralized domain controllers using SPC5742PK1MLQ5.
Is the SPC5742PK1MLQ5 pin-compatible with other MPC574xP family members?
Yes, the SPC5742PK1MLQ5 shares identical 144-pin LQFP mechanical and electrical pinout with SPC5741P, SPC5743P, and SPC5744P variants. This allows drop-in replacement for memory-scaling upgrades - for example, migrating from SPC5742PK1MLQ5 to SPC5744PK1MLQ5 requires no PCB change, only firmware and configuration updates.
SPC5742PK1MLQ5 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- MPC57xx
- Packaging:
- Tray
- Product Status:
- Obsolete
- 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:
SPC5742PK1MLQ5 FAQ
1.How can I place an order for SPC5742PK1MLQ5 through Aetrix?
Please submit a Request for Quotation (RFQ) for SPC5742PK1MLQ5 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 SPC5742PK1MLQ5 reliable?
The price and inventory of SPC5742PK1MLQ5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPC5742PK1MLQ5 is usually 5 days.
3.What payment methods are accepted for SPC5742PK1MLQ5?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPC5742PK1MLQ5 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SPC5742PK1MLQ5?
SPC5742PK1MLQ5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SPC5742PK1MLQ5 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 SPC5742PK1MLQ5?
For technical support, including SPC5742PK1MLQ5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPC5742PK1MLQ5 requirements.
6.How does Aetrix verify that SPC5742PK1MLQ5 is sourced from the original manufacturer or authorized distributors?
All SPC5742PK1MLQ5 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 SPC5742PK1MLQ5 meets industry standards.
7.What is the process for return or replacement of SPC5742PK1MLQ5?
All SPC5742PK1MLQ5 units undergo pre-shipment inspection (PSI). If there is an issue with SPC5742PK1MLQ5, 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 SPC5742PK1MLQ5 part is unused and in its original packaging.
Return procedure for SPC5742PK1MLQ5:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SPC5742PK1MLQ5 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

