S32K344 - 160MHz Arm Cortex-M7 MCU | NXP | Automotive
MPN: S32K344 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.75 | $167.50 |
| 100 | $14.2 | $1,420.00 |
| 500 | $12.8 | $6,400.00 |
| 1,000 | $11.5 | $11,500.00 |
Drop-in alternatives for S32K344 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
S32K324
β Drop-Inπ Reference alternative (not in catalog)
S32K358
β Drop-Inπ Reference alternative (not in catalog)
S32K312
β Drop-Inπ Reference alternative (not in catalog)
S32K344EHT1VPBST
β Drop-Inπ Reference alternative (not in catalog)
S32K344EHT1MPBST
β Drop-Inπ Reference alternative (not in catalog)
S32K344-WB
β‘ Same Packageπ Reference alternative (not in catalog)
S32K344 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M7 |
| Core Architecture | 32-bit Armv7-M |
| Maximum Core Frequency | 160 MHz (up to 320 MHz in some variants) |
| DMIPS/MHz | 2.14 |
| Flash Memory | 4 MB |
| RAM | 512 kB |
| Supply Voltage Range | 2.97 V to 5.5 V |
| Ambient Temperature Range | -40 Β°C to 125 Β°C |
| Package Options | 172-pin HDQFP (16x16 mm), 257-ball BGA |
| Interfaces | Ethernet, CAN FD, QSPI, LIN, SPI, I2C, UART |
| Functional Safety | ASIL-D (with lockstep) |
| Security | Hardware Security Engine (HSE) |
| FOTA Support | Yes |
| ISO 26262 Compliance | Yes |
| RoHS Status | Compliant |
S32K344 Pin Configuration
| Pin 1 | VDD β Digital power supply |
| Pin 2 | VSS β Digital ground |
| Pin 3 | PTA0 β General purpose I/O |
| Pin 4 | PTA1 β General purpose I/O |
| Pin 5 | PTA2 β General purpose I/O |
| Pin 6 | PTA3 β General purpose I/O |
| Pin 7 | PTA4 β General purpose I/O |
| Pin 8 | PTA5 β General purpose I/O |
| Pin 9 | PTA6 β General purpose I/O |
| Pin 10 | PTA7 β General purpose I/O |
| Pin 11 | VDD_HV β High voltage power supply |
| Pin 12 | VSS_HV β High voltage ground |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
S32K344 is suitable for 6 applications: Automotive Body Control Module, Industrial Automation Controller, Battery Management System, Gateway Module, Electric Power Steering, Smart Factory Sensor Hub.
Automotive Body Control Module
The S32K344 is ideal for automotive body control modules (BCMs) due to its high-performance Arm Cortex-M7 core, extensive communication interfaces (CAN FD, LIN, Ethernet), and functional safety support up to ASIL-D. It can manage lighting, window lifts, door locks, and other body functions with real-time responsiveness. The device's low power modes and wide voltage range (2.97V to 5.5V) make it suitable for direct battery connection. Its security features, including HSE, protect against unauthorized access, and its ISO 26262 compliance ensures reliable operation in safety-critical automotive systems.
Recommended
Industrial Automation Controller
The S32K344 is well-suited for industrial automation controllers, offering a powerful Arm Cortex-M7 core at 160 MHz (up to 320 MHz in some variants) and a rich set of peripherals including Ethernet, CAN FD, and QSPI. Its wide operating temperature range (-40Β°C to 125Β°C) and robust design make it reliable in harsh industrial environments. The device supports real-time control with deterministic response, and its functional safety features (ASIL-D) enable use in safety-critical machinery. The HSE provides secure communication, and the FOTA support allows remote updates, reducing maintenance costs.
Recommended
Battery Management System
The S32K344 is an excellent choice for battery management systems (BMS) in electric vehicles and energy storage systems. Its high-performance Cortex-M7 core can handle complex battery monitoring algorithms, while the CAN FD interface enables high-speed communication with battery cells and vehicle controllers. The device's functional safety features (ASIL-D) are critical for ensuring safe operation, and its security features protect against cyber threats. The wide voltage range (2.97V to 5.5V) allows direct connection to battery packs, and the low-power modes help extend battery life in standby.
Recommended
Gateway Module
The S32K344 is ideal for automotive and industrial gateway modules, providing multiple communication interfaces (Ethernet, CAN FD, LIN, SPI, I2C, UART) to bridge different networks. Its high-performance core can handle protocol conversion and data routing with low latency. The device's security features, including HSE, enable secure communication and protect against unauthorized access. The S32K344 supports FOTA updates, allowing remote software updates for connected vehicles. Its functional safety features (ASIL-D) ensure reliable operation in safety-critical applications.
Recommended
Electric Power Steering
The S32K344 is suitable for electric power steering (EPS) systems, offering high-performance real-time control with its Arm Cortex-M7 core at 160 MHz. The device's functional safety features (ASIL-D) are essential for steering systems, ensuring fail-safe operation. It includes advanced timers and PWM modules for motor control, and its CAN FD interface enables communication with other vehicle systems. The wide temperature range and robust design make it reliable in automotive environments. The HSE provides secure communication, protecting against cyber threats.
Recommended
Smart Factory Sensor Hub
The S32K344 can serve as a sensor hub in smart factory applications, aggregating data from multiple sensors and communicating over industrial Ethernet or CAN FD. Its high-performance core can process sensor data in real-time, and its rich peripheral set includes ADCs, timers, and communication interfaces. The device's security features protect sensitive data, and its functional safety features (ASIL-D) ensure reliable operation in industrial environments. The wide temperature range and low-power modes make it suitable for distributed sensor nodes.
Recommended
Recommended Products Summary
Engineering reference data for S32K344 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S32K324 | S32K358 | S32K312 |
|---|---|---|---|---|
| Package | 172-pin HDQFP | 172-pin HDQFP | 172-pin HDQFP | 172-pin HDQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Frequency | 160 MHz (up to 320 MHz) | 160 MHz | 320 MHz | 80 MHz |
| Flash Memory | 4 MB | 2 MB | 8 MB | 1 MB |
| RAM | 512 kB | 256 kB | 1 MB | 128 kB |
| Functional Safety | ASIL-D | ASIL-B | ASIL-D | ASIL-B |
| Ethernet | Yes | Yes | Yes | No |
| Price (1k) | $11.50 | $9.80 | $15.20 | $7.50 |
Key Differentiators
- Higher core frequency and memory (vs S32K324)
- ASIL-D functional safety (vs S32K312)
- Integrated Ethernet and HSE (vs S32K312)
Design Notes
The S32K344 operates from 2.97V to 5.5V. Use a stable power supply with adequate decoupling: place 100nF capacitors close to each VDD pin and a 10uF bulk capacitor on the main supply. For automotive applications, consider an input protection circuit to handle load dump and reverse polarity.
For the 172-pin HDQFP package, ensure proper soldering with a stencil design that matches the pad layout. Use a 4-layer PCB with a solid ground plane and separate power planes for analog and digital sections. Keep high-speed traces (Ethernet, QSPI) impedance-controlled and minimize loop areas.
The S32K344 can dissipate significant power at high frequencies and with multiple peripherals active. Ensure adequate thermal management by providing a thermal pad on the PCB and using vias to conduct heat to a ground plane. For high ambient temperatures (up to 125Β°C), consider airflow or heatsinking.
Compliance Information
The S32K344 is AEC-Q100 qualified for automotive applications. RoHS and REACH compliant per NXP product information.
