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NUCLEO-G431KB

NUCLEO-G431KB

STMicroelectronics
STM32G431 Nucleo-32 STM32G4 ARM® Cortex®-M4 MCU 32-Bit Embedded Evaluation Board
Active5,397 in stock

Overview

The NUCLEO-G431KB is a compact Nucleo-32 development board featuring the STM32G431 microcontroller with an Arm Cortex-M4 core running at 170 MHz. This board is designed for high-performance analog and mixed-signal applications, offering a small form factor compatible with Arduino Nano V3 expansion connectors. It includes an integrated ST-LINK debugger/programmer, eliminating the need for external hardware to flash or debug the device.

Why Choose This Part

The board features a high-performance 170 MHz core and 128 KB of Flash memory in a very small footprint. It provides flexible power-supply options through USB VBUS or external sources and includes a dedicated reset button and user LED for immediate feedback during development. The built-in ST-LINK supports virtual COM port and mass storage modes, greatly simplifying the development workflow on modern operating systems.

Applications

Digital Power Conversion
Leveraging the high-frequency clock and advanced timers for high-resolution PWM control in power supplies.
Brushless DC (BLDC) Motor Control
Utilizing the math acceleration and rich analog peripherals for efficient motor commutation algorithms.
Industrial Sensor Interfaces
Using the high-speed ADC and integrated analog features to process low-level signals from industrial transducers.
Rapid Prototyping
Quickly validating embedded software using the Arduino Nano V3 pinout and breadboard-friendly layout.

Key Specifications

Type MCU 32-Bit
Contents Board(s)
Platform Nucleo-32
Mounting Type Fixed
Core Processor ARM Cortex-M4
Utilized IC / Part STM32G431

Getting Started

To begin development, connect the board to a PC via a Micro-AB USB cable for power and debugging. Use the STM32CubeIDE or IAR Embedded Workbench along with the STM32CubeG4 MCU Package for access to peripheral drivers and hardware abstraction layers. The board is also compatible with the Arduino Nano V3 hardware ecosystem, allowing for easy integration with existing shields and breadboard circuits.

NUCLEO-G431 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number Platform Stock
NUCLEO-G431KB (this part) Nucleo-32 5,397
NUCLEO-G431RB Nucleo-64 58

Also Consider

NUCLEO-L432KC STMicroelectronics - A pin-compatible Nucleo-32 board designed for ultra-low-power applications where battery life is prioritized over raw processing speed.
NUCLEO-G474RE STMicroelectronics - A larger Nucleo-64 board from the same G4 series offering more GPIOs and advanced high-resolution timers for complex power control tasks.