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STM32G431CBT6

STM32G431CBT6

STMicroelectronics
ARM® Cortex®-M4F STM32G4 Microcontroller IC 32-Bit 170MHz 128KB (128K x 8) FLASH 48-LQFP (7x7)
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Overview

The STM32G431CBT6 is a high-performance Arm Cortex-M4F microcontroller operating at 170MHz, specifically engineered for mixed-signal applications. It features advanced analog peripherals and hardware mathematical accelerators, including CORDIC and FMAC, to offload complex computations from the CPU.

Why Choose This Part

This MCU offers a unique combination of high-speed analog integration and dedicated hardware for mathematical acceleration, reducing the need for external components. With its 170MHz clock and CCM SRAM (Routine Booster), it achieves high execution efficiency for real-time control loops.

Applications

Digital Power Conversion
Utilizes the high-resolution timers and fast 12-bit ADCs for precise control of SMPS and UPS systems.
Brushless DC Motor Control
The integrated CORDIC engine accelerates trigonometric calculations for field-oriented control (FOC) in drone ESCs and robotics.
Industrial Sensing
Combines 17 ADC channels with programmable gain amplifiers and comparators for high-precision sensor interfacing.
Automotive Body Electronics
Integrated FDCAN support and a high operating frequency make it suitable for modern vehicle networking and control modules.

Key Specifications

Speed 170MHz
RAM Size 32K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Mounting Type Surface Mount
Number of I/O 38
Core Processor ARM Cortex-M4F
Package / Case 48-LQFP
Data Converters A/D 17x12b; D/A 4x12b
Oscillator Type Internal
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 48-LQFP (7x7)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V

Getting Started

Development is best supported by the NUCLEO-G431RB evaluation board, which provides an integrated ST-LINK debugger. Engineers should use the STM32CubeG4 software package within STM32CubeIDE to configure the CORDIC and FMAC peripherals and leverage the specialized motor control libraries.

Dev Boards

Development boards and breakout modules featuring the STM32G431CBT6 or compatible chips — ready to use for prototyping.

NUCLEO-G474RE STMicroelectronics
Development Boards & Kits - ARM STM32 Nucleo-64 development board STM32G474RE MCU, supports Arduino & ST morpho
Digi-Key Mouser 924 in stock

STM32G431 Family

Part NumberDifferenceStock
STM32G431C8T3 64KB Flash 1,884

Also Consider

STM32F411CEU6 STMicroelectronics - A general-purpose Cortex-M4 alternative if specialized math accelerators and advanced analog peripherals are not required.
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