STMicroelectronics STM32G431KBU6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G4
Packaging Tray |
Core Processor ARM® Cortex®-M4F
Core Size 32-Bit Single-Core
Speed 170MHz
Connectivity CANbus, I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 26
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 11x12b; D/A 4x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 32-UFQFPN (5x5)
Package / Case 32-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32G431KBU6 from STMicroelectronics is a high-performance 32-bit ARM Cortex-M4F microcontroller in a 32-UFQFN package. It operates at up to 170 MHz with a supply voltage range of 1.71V to 3.6V. The device provides 128KB of Flash and 32K x 8 RAM. It features DMA, I2S, PWM, brown-out detection, power-on reset, and watchdog timer for demanding real-time applications.

  • High performance: 170 MHz Cortex-M4F with FPU for math-intensive tasks.
  • Precision control: Advanced timers for motor and power applications.
  • Low voltage: 1.71V operation for energy-efficient designs.
  • Compact size: 32-UFQFN package for space-constrained PCBs.

Digital Power Supplies

170 MHz Cortex-M4F with FPU enables high-frequency digital loop control for LLC and PFC converters.

Motor Control Drives

Advanced PWM timers and ADC support field-oriented control of BLDC and PMSM motors.

Audio Processing

I2S and DSP instructions handle real-time audio effects in guitar pedals and mixers.

Industrial Robotics

Fast interrupt handling and FPU accelerate kinematics calculations in robotic arms.

EV Charging Stations

Robust communication and control features manage power conversion in Level 2 chargers.

Medical Imaging

High-speed processing supports signal conditioning in portable ultrasound devices.

Q: What core does it use?
A: ARM Cortex-M4F with FPU.
Q: What is the maximum speed?
A: 170 MHz.
Q: How much Flash and RAM?
A: 128KB Flash and 32K x 8 RAM.
Q: What is the package?
A: 32-UFQFN with exposed pad.
Q: What is the voltage range?
A: 1.71V to 3.6V.
Base Product Number : STM32G431KB
128KB Flash 170MHz 32-bit MCU ARM Cortex-M4F digital power FPU motor control PWM STM32G4
Q: What core does it use?
A: ARM Cortex-M4F with FPU.
Q: What is the maximum speed?
A: 170 MHz.
Q: How much Flash and RAM?
A: 128KB Flash and 32K x 8 RAM.
Q: What is the package?
A: 32-UFQFN with exposed pad.
Q: What is the voltage range?
A: 1.71V to 3.6V.