STMicroelectronics STM32L431KCU6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.04 | $5.04 |
| 15+ | $3.31 | $49.65 |
| 25+ | $3.24 | $81.00 |
| 50+ | $3.06 | $153.00 |
| 100+ | $2.70 | $270.00 |
| N+ | $0.54 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 64K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-UFQFPN (5x5) |
| Package / Case | 32-UFQFN Exposed Pad |
| ROHS |  |
The STM32L431KCU6 is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics, operating at up to 80 MHz. It provides 256 KB flash and 64 KB SRAM in a compact 32-UFQFN package. With a supply range of 1.71V to 3.6V and integrated DMA, PWM, and watchdog features, it is engineered for energy-efficient embedded control in industrial and portable applications.
- Ultra-low power consumption: Optimized for battery-operated devices with 1.71V operation and multiple low-power modes.
- High performance: 80 MHz Cortex-M4 with DSP instructions accelerates math-intensive tasks.
- Large memory: 256 KB flash and 64 KB SRAM support complex firmware and data buffering.
- Compact footprint: 32-UFQFN package saves PCB space for space-constrained designs.
- Robust reliability: Brown-out reset and watchdog timer ensure stable operation in harsh environments.
Industrial Sensor Nodes
The 80 MHz Cortex-M4 with DSP instructions enables real-time sensor fusion and fast PID control loops in compact 32-UFQFN packages.
Battery-Powered IoT Devices
With a 1.71V minimum supply and multiple low-power modes, it extends battery life in wireless environmental monitors.
Portable Medical Instruments
256 KB flash and 64 KB RAM support complex algorithms for glucose meters or pulse oximeters while maintaining accuracy.
Motor Control for Drones
High-resolution PWM timers and DMA allow smooth, efficient brushless DC motor commutation at 80 MHz.
Smart Building Controllers
The wide voltage range and robust brown-out detection ensure reliable operation in HVAC or lighting control panels.
Wearable Fitness Trackers
Low power consumption and small footprint make it ideal for step counting and heart-rate monitoring with long battery life.
- Q: What is the operating voltage range of the STM32L431KCU6?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs up to 80 MHz.
- Q: How much flash and RAM does it have?
- A: It includes 256 KB flash and 64 KB SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
- Q: Does it support DMA and PWM?
- A: Yes, it features DMA and PWM along with brown-out reset and watchdog timer.
STM32L431KCU6.pdf
- Q: What is the operating voltage range of the STM32L431KCU6?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs up to 80 MHz.
- Q: How much flash and RAM does it have?
- A: It includes 256 KB flash and 64 KB SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
- Q: Does it support DMA and PWM?
- A: Yes, it features DMA and PWM along with brown-out reset and watchdog timer.
