S32K146 - 112MHz Arm Cortex-M4F MCU | NXP | Automotive
MPN: S32K146 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.5 | $12.50 |
| 10 | $11.25 | $112.50 |
| 100 | $10 | $1,000.00 |
| 500 | $9 | $4,500.00 |
| 1,000 | $8.1 | $8,100.00 |
Drop-in alternatives for S32K146 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:
S32K148
β Drop-Inπ Reference alternative (not in catalog)
S32K144
β Drop-Inπ Reference alternative (not in catalog)
S32K142
β Drop-Inπ Reference alternative (not in catalog)
S32K116
β Drop-Inπ Reference alternative (not in catalog)
S32K118
β Drop-Inπ Reference alternative (not in catalog)
SPC58EC80E5
β‘ Same Packageβ In Stock
$17.5 / Unit
View Datasheet βS32K146 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M4F |
| Maximum Clock Frequency | 112 MHz |
| Flash Memory | 1 MB |
| SRAM | 128 KB |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | -40Β°C to +125Β°C |
| Package Options | LQFP64, LQFP100, LQFP144, MAPBGA100 |
| CAN FD | Yes |
| FlexIO | Yes |
| CSEc Security | Yes |
| AEC-Q100 Qualified | Yes |
| DMA Channels | [DATA_NEEDED: DMA channels] |
| ADC Resolution | 12-bit |
| Number of ADC Channels | [DATA_NEEDED: Number of ADC channels] |
| RoHS Compliant | Yes |
S32K146 Pin Configuration
| Pin 1 | VDD β Power supply |
| Pin 2 | VSS β 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 | PTB0 β General purpose I/O |
| Pin 12 | PTB1 β General purpose I/O |
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
S32K146 is suitable for 6 applications: Automotive Body Control Module, Gateway Module, Industrial Automation Controller, Electric Power Steering (EPS), Battery Management System (BMS), Smart Junction Box.
Automotive Body Control Module
The S32K146 is ideal for body control modules (BCMs) that manage lighting, windows, and door locks. Its 112 MHz Cortex-M4F core and 1 MB flash handle complex software stacks, while CAN FD enables high-speed communication with other ECUs. The AEC-Q100 qualification ensures reliability in automotive environments. With multiple FlexCAN modules, it can interface with various vehicle networks, and its low-power modes help reduce battery drain when the vehicle is off.
Recommended
Gateway Module
In gateway applications, the S32K146 routes data between different vehicle networks (CAN, LIN, FlexRay). Its multiple FlexCAN modules with CAN FD support provide high bandwidth, and the CSEc security module enables secure communication. The 1 MB flash allows storing routing tables and security keys. The device's robust temperature range and AEC-Q100 qualification make it suitable for under-hood installation. The FlexIO can emulate additional serial protocols for legacy interfaces.
Recommended
Industrial Automation Controller
The S32K146 is well-suited for industrial automation controllers that require real-time control and communication. Its 112 MHz Cortex-M4F core provides ample processing power for control loops, while CAN FD and FlexIO support various industrial protocols. The wide operating voltage range (2.7V to 5.5V) and temperature range (-40Β°C to +125Β°C) ensure operation in harsh factory environments. The device's ECC on flash and SRAM enhances reliability for critical control applications.
Recommended
Electric Power Steering (EPS)
The S32K146 can be used in electric power steering systems, where real-time motor control and safety are critical. Its Cortex-M4F core with FPU handles complex control algorithms, and the CAN FD interface communicates with other vehicle systems. The device's AEC-Q100 qualification and wide temperature range ensure reliable operation under hood. The CSEc security module protects against tampering, and the MPU helps isolate safety-critical code.
Recommended
Battery Management System (BMS)
In battery management systems, the S32K146 monitors cell voltages and temperatures, and communicates with the main controller via CAN FD. Its multiple ADC channels (12-bit) can sample analog signals, and the FlexIO can interface with external sensors. The device's low-power modes help conserve energy, and its wide temperature range suits battery pack environments. The CSEc security ensures secure communication and data integrity.
Recommended
Smart Junction Box
The S32K146 is used in smart junction boxes to control power distribution and manage fuses and relays. Its multiple FlexCAN modules allow communication with various ECUs, and the FlexIO can emulate LIN or other protocols. The device's high flash memory stores configuration data, and its AEC-Q100 qualification ensures reliability. The low-power modes help reduce quiescent current when the vehicle is idle.
Recommended
Recommended Products Summary
Engineering reference data for S32K146 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | S32K148 | S32K144 | S32K142 |
|---|---|---|---|---|
| Package | LQFP64, LQFP100, LQFP144, MAPBGA100 | LQFP64, LQFP100, LQFP144, MAPBGA100 | LQFP64, LQFP100, LQFP144 | LQFP64, LQFP100 |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F |
| Max Clock Frequency | 112 MHz | 112 MHz | 112 MHz | 112 MHz |
| Flash Memory | 1 MB | 2 MB | 512 KB | 256 KB |
| SRAM | 128 KB | 256 KB | 64 KB | 32 KB |
| CAN FD | Yes | Yes | Yes | Yes |
| AEC-Q100 | Qualified | Qualified | Qualified | Qualified |
Key Differentiators
- Higher memory capacity (vs S32K144)
- Pin-to-pin compatibility with S32K148 (vs S32K148)
- AEC-Q100 qualification (vs SPC58EC80E5)
Design Notes
The S32K146 operates from 2.7V to 5.5V. Use a stable power supply with proper decoupling capacitors (100nF and 10uF) close to each VDD pin. For automotive applications, consider using an external watchdog and voltage supervisor to ensure reliable operation during voltage transients.
For high-speed interfaces like CAN FD, keep traces short and use proper termination resistors (120 ohms) at both ends of the bus. Place the MCU away from high-current switching components to minimize EMI. Use a solid ground plane and separate analog and digital grounds if mixed-signal peripherals are used.
Ensure that the firmware is compatible with the specific package variant, as pin assignments differ between LQFP64, LQFP100, LQFP144, and MAPBGA100. Also, verify that the power supply sequencing meets the requirements in the datasheet to avoid latch-up or damage.
Compliance Information
AEC-Q100 qualified per NXP product page. RoHS compliant.
