WMSIC Electronic Components

ST STM32G431KBU3

ModelSTM32G431KBU3
PackageUFQFPN-32(5x5)
BrandST
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ST(STMicroelectronics) STM32G431KBU3
Type
ST
Minimum package
2940 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
STM32G431KBU3
Electronic Component
1
Package
UFQFPN-32(5x5)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.54g
CPU
32 Bit
CPU
ARM Cortex-M4F
I / O
26
RAM
32KB
Electronic Component
1
ADC
12bit
DAC
12bit
Electronic Component
BM0227499211
Operating Temperature
40℃~+125℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

STM32G431KBU3 32位混合信号MCU产品概述

一、核心架构与性能参数

STM32G431KBU3基于ARM Cortex-M4F内核,支持32位运算,最高主频达170MHz,内置浮点运算单元(FPU)——可高效处理数字信号滤波、数学计算等任务,相比无FPU的内核性能提升显著。

存储资源方面,集成128KB Flash程序存储器(支持扇区擦除,重复编程次数达10万次),搭配32KB RAM(含28KB通用SRAM和4KB Core Coupled Memory,CCM):CCM用于高速数据访问,可减少总线延迟,提升实时响应能力。

时钟系统采用内置振荡器(HSI高速内部振荡器、LSI低速内部振荡器),无需外部晶振即可实现稳定时钟输出,简化电路设计。

二、模拟外设与混合信号能力

作为G4系列混合信号MCU的典型型号,STM32G431KBU3强化了模拟前端集成,减少外部元件依赖:

  • 12位ADC:最高2.6Msps采样率,支持16个转换通道,可同时采集多路模拟信号(如传感器电压、电流);
  • 12位DAC:2通道数字模拟转换器,支持波形生成(正弦波、方波等),适配电机控制、信号源等场景;
  • 辅助模拟外设:集成2个运算放大器(OPA)、2个比较器(COMP),可配置为模拟放大、滤波或电平检测电路,降低BOM成本。

三、数字外设与通信接口

  • GPIO:UFQFPN-32封装下提供26个通用输入输出引脚,支持上拉/下拉电阻、中断触发等功能,适配数字信号输入输出;
  • 定时器:包含2个高级定时器(TIM1、TIM8,带死区插入、互补输出,适合BLDC电机控制)、4个通用定时器(TIM2-TIM5)、2个基本定时器,满足PWM生成、定时计数需求;
  • 通信接口:支持3个UART(含USART)、2个SPI、2个I2C,以及1个CAN FD接口(兼容CAN 2.0A/B协议),实现工业现场通信、外设扩展。

四、封装与工作环境

  • 封装:采用UFQFPN-32封装,尺寸仅5×5mm,引脚间距0.8mm,表面贴装工艺,适合高密度PCB设计,节省硬件空间;
  • 工作参数:
    • 电压范围1.71V~3.6V,兼容3.3V、2.5V等常见电源,低电压场景下稳定工作;
    • 温度范围-40℃~+125℃,符合工业级标准,适应户外、工厂等极端环境。

五、典型应用场景

STM32G431KBU3凭借混合信号集成、小封装、工业级性能,广泛适用于:

  1. 工业电机控制:小型BLDC电机、伺服电机驱动(利用高级定时器、DAC实现精准控制);
  2. 工业传感器节点:采集温度、压力、电流等数据,通过CAN接口上传至控制系统;
  3. 消费电子智能设备:小封装适配便携式设备,低功耗模式(STOP模式)延长电池续航;
  4. 物联网终端:电池供电的物联网节点(低功耗+通信接口支持云端传输);
  5. 汽车周边系统:工业级温度适配汽车仪表盘、辅助传感器等非核心系统。

该型号平衡了性能、成本与集成度,是工业控制、物联网等领域的高性价比选择。

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