STMicroelectronics STM32G431RBI3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.53 | $13.53 |
| 15+ | $3.11 | $46.65 |
| 25+ | $3.04 | $76.00 |
| 50+ | $2.87 | $143.50 |
| 100+ | $2.54 | $254.00 |
| N+ | $0.51 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32G4 |
| Packaging | Bulk | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit |
| Speed | 170MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 52 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 23x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-UFBGA (5x5) |
| Package / Case | 64-UFBGA |
| ROHS |
The STMicroelectronics STM32G431RBI3 is a high-performance ARM Cortex-M4 microcontroller with FPU, running at 170MHz. It features 128KB flash and 32KB SRAM, operating from 1.71V to 3.6V. With advanced timers, DMA, I2S, and PWM, it is designed for real-time control applications like motor drives and digital power. The 64-UFBGA package provides a compact footprint.
- High-Speed Cortex-M4: 170MHz with FPU and DSP instructions for intensive computation.
- Advanced Control Timers: Ideal for complex PWM generation in motor control.
- Wide Temperature Range: -40°C to 125°C for automotive and industrial use.
- Compact Package: 64-UFBGA saves space while offering full peripheral set.
High-Performance Motor Control
The 170MHz Cortex-M4 with FPU enables complex FOC (Field Oriented Control) algorithms for brushless DC motors.
Digital Power Supplies
Fast PWM and high-speed ADC allow precise control of switch-mode power supplies for telecom and server applications.
Industrial Robotics
The DSP instructions and 32KB SRAM support real-time kinematics calculations for robotic arms.
Automotive ECU
With 125°C rating and robust peripherals, it suits engine control units or transmission controllers.
Audio Processing
The I2S interface and Cortex-M4 DSP capabilities enable audio effects processing in musical instruments.
Advanced HMI Systems
High speed and rich peripherals support graphical user interfaces with external displays in industrial equipment.
- Q: What is the maximum clock speed?
- A: The ARM Cortex-M4 core runs at up to 170MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It has 128KB of flash memory (128K x 8 bits).
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: What package is this?
- A: It comes in a 64-UFBGA (Ultra Thin Fine-pitch Ball Grid Array) package.
- Q: What is the maximum clock speed?
- A: The ARM Cortex-M4 core runs at up to 170MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It has 128KB of flash memory (128K x 8 bits).
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: What package is this?
- A: It comes in a 64-UFBGA (Ultra Thin Fine-pitch Ball Grid Array) package.

STM32G431RBI3.pdf