STMicroelectronics STM32L431KBU6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $4.21 | $4.21 |
| 15+ | $2.77 | $41.55 |
| 25+ | $2.71 | $67.75 |
| 50+ | $2.56 | $128.00 |
| 100+ | $2.26 | $226.00 |
| N+ | $0.45 | 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 | 128KB (128K 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 STM32L431KBU6 is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics, operating at 80MHz with 128KB flash and 64KB SRAM. Its 1.71V to 3.6V supply range and rich peripheral set including DMA, PWM, and brown-out detection make it ideal for energy-conscious industrial and consumer applications.
- Ultra-low power consumption: 1.71V operation extends battery life in portable designs.
- High performance: 80MHz Cortex-M4 delivers efficient DSP and control processing.
- Large memory: 128KB flash and 64KB SRAM support complex firmware and data buffering.
- Compact package: 32-UFQFN saves PCB space for miniaturized products.
Battery-Powered IoT Sensors
The 1.71V minimum supply and 80MHz Cortex-M4 enable energy-efficient edge processing for long-life sensor nodes.
Industrial Control Loops
With DMA and PWM peripherals, it handles real-time motor control and actuator feedback at high precision.
Portable Medical Devices
Low power consumption and 64KB RAM support complex algorithms for monitoring devices in compact 32-UFQFN form.
Smart Home Hubs
Multiple communication protocols and WDT ensure reliable operation in always-on home automation controllers.
Data Logging Systems
128KB flash stores extensive logs while brown-out detection protects data integrity during power fluctuations.
Wearable Electronics
The small package and wide voltage range allow direct battery connection in space-constrained wearables.
- Q: What is the operating voltage range of the STM32L431KBU6?
- 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 at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It provides 128KB flash and 64KB SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
STM32L431KBU6.pdf
- Q: What is the operating voltage range of the STM32L431KBU6?
- 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 at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It provides 128KB flash and 64KB SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
