STM32F3 系列


STM32F3系列集成了运行于72 MHz的32位Arm® Cortex®-M4内核(带有FPU和DSP指令)以及丰富的模拟外设,从而降低整体应用成本并简化系统设计,它包括:

  • 超快速比较器 (25 ns)
  • 具有可编程增益的运算放大器
  • 12位DAC
  • 超快速12位ADC,每通道每秒5 MSPS(每秒百万次采样),交替模式下可达到每秒18 MSPS
  • 精确的16位sigma-delta ADC(21通道)
  • 内核耦合存储器SRAM(例行程序加速器)是提高时间关键程序性能所专用的存储器架构,可将性能提升43%
  • 144 MHz高级16位脉宽调制定时器(分辨率 < 7 ns),用于控制应用
  • 高分辨率定时器(217 ps),针对供电和温度漂移可进行自补偿




  • STM32F301STM32F302STM32F303通用产品线范围包括了基本型产品、包含高性价比外设组合的产品,以及具有更高性能和更多模拟功能,并可管理高达三个FOC电机控制的产品。
  • STM32F334具有高分辨率定时器 (217 ps) 和用于数字电源转换的复杂波形生成器和事件处理器 (HRTIM),适用于数字开关模式电源、照明、焊接、太阳能和无线充电等应用。
  • STM32F373具有16位sigma-delta ADC和7种内置增益,能够在生物识别传感器或智能计量等应用中实现高精度测量。
  • STM32F3x8产品线支持1.8 V的工作电压

封装选项为LQPF48/64/100、UFBGA100、WLCSP100/66/49、UQFN32,现可用于16到512 KB Flash的器件。


STM32 Digital Power Ecosystem accelerates
your designs for beginners up to experts


eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
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LED Lighting Design Tool

Handles AC-DC and DC-DC design in common topologies
Displays interactive and annotated schematic
Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
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Digital Power Workbench

Provides a step-by-step optimized design of power section and control loop
Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs

Power Tree Designer

Specify input/output power for each node in the tree
Check for consistency
Design each individual node
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AC Switches Simulator

Select ratings and application waveforms
Get junction temperature and blocking voltage graphs
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Rectifier Diodes Simulator

Select ratings and application waveforms
Estimate power losses
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Supports long mission profiles
Provides power loss and temperature graphs
Helps define heatsink thermal properties

Twister Sim

Help select the right ViPOWER Automotive power device
Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
Supports various PCB configurations

TVS Simulator

Specify system ratings and surge waveform
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Build simple schematics and firmware inputs in minutes
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Active Filters

Handles multi-stage-designs and common topologies
Returns circuit component values
Provides gain, phase and group delay graphs
Low Pass, High Pass and Band Pass


Handles most common configurations
Returns circuit components values
Provides I/O signal waveforms
Inverting, Non Inverting, Window

Low side Current Sensing

Returns circuit component values
Provides current error graphs

High side Current Sensing

Provides current error graphs.
Help to select the right High side current sensing and shunt devices.
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NFC Inductance

Input geometry and substrate properties
Get antenna impedance

UHF Link Budget

Enter forward and reverse link characteristics
The tool returns link budget estimate

NFC Tuning Circuit

Enter antenna parameter and matching target
Select the topology of the matching network
The tool returns component values for the desired design targets