STMicroelectronics STM32L431RBI3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.97 | $10.97 |
| 15+ | $2.52 | $37.80 |
| 25+ | $2.47 | $61.75 |
| 50+ | $2.33 | $116.50 |
| 100+ | $2.06 | $206.00 |
| N+ | $0.41 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 52 |
| 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 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-UFBGA (5x5) |
| Package / Case | 64-UFBGA |
| ROHS |  |
The STMicroelectronics STM32L431RBI3 is an ultra-low-power 32-bit MCU based on the ARM Cortex-M4 core with FPU, running at 80 MHz. It offers 128 KB Flash and 64 KB SRAM, with DMA, PWM, and Brown-out Reset. Operating from 1.71V to 3.6V, it is designed for energy-efficient applications. The 64-UFBGA package is ideal for space-constrained designs.
- ARM Cortex-M4 with FPU: Accelerates mathematical operations for signal processing and control.
- 64 KB SRAM: Large buffer for complex applications and data logging.
- Ultra-low power (1.71V): Extends battery life in portable devices.
- UFBGA-64 package: High-density integration for miniaturized PCBs.
Industrial Process Control
80MHz Cortex-M4 with FPU handles complex PID loops and floating-point calculations for precise control.
Smart Meters
Low power modes and DMA enable accurate energy measurement with minimal battery drain.
Medical Monitoring Devices
64KB RAM supports buffering of high-resolution sensor data for ECG or SpO2 monitors.
Robotics
Multiple PWM channels and fast interrupt response allow servo control and kinematics calculations.
Portable Test Equipment
Wide voltage range and UFBGA package enable compact, battery-operated oscilloscopes or multimeters.
Building Security Panels
128KB Flash supports complex communication protocols (TCP/IP, Modbus) for access control systems.
- Q: What is the core processor?
- A: It is based on the ARM Cortex-M4 core with FPU, running at 80 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting battery applications.
- Q: How much Flash and RAM does it have?
- A: It has 128 KB Flash and 64 KB SRAM.
- Q: What package is this device available in?
- A: It comes in a 64-UFBGA package, suitable for compact PCB designs.
STM32L431RBI3.pdf
- Q: What is the core processor?
- A: It is based on the ARM Cortex-M4 core with FPU, running at 80 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting battery applications.
- Q: How much Flash and RAM does it have?
- A: It has 128 KB Flash and 64 KB SRAM.
- Q: What package is this device available in?
- A: It comes in a 64-UFBGA package, suitable for compact PCB designs.
