STMicroelectronics STM32G474RBT6

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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, QSPI, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Number of I/O 52
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 26x12b; D/A 7x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32G474RBT6 from STMicroelectronics is a 32-bit ARM Cortex-M4F MCU running at 170MHz. It features 128KB flash and 128KB RAM, with a 1.71V to 3.6V supply range. The 64-LQFP package includes advanced timers, I2S, DMA, and PWM, making it ideal for digital power and motor control applications.

  • 170MHz Cortex-M4F with FPU – accelerates math-heavy control loops and signal processing.
  • 128KB RAM – supports large data buffers for real-time analytics and multi-axis control.
  • Wide voltage range (1.71-3.6V) – flexible for battery or regulated 3.3V systems.
  • Rich peripheral set (I2S, DMA, PWM) – reduces external ICs and simplifies PCB layout.

Digital Power Conversion

The 170MHz Cortex-M4F with FPU handles complex PID loops and high-frequency PWM for LLC or PFC converters.

Industrial Servo Drives

With 128KB RAM and DMA, it manages multi-axis position control and encoder feedback at high speed.

EV Charging Stations

1.71V-3.6V operation and robust peripherals enable efficient communication and power monitoring in charging modules.

Audio Processing

I2S interface and DSP instructions support real-time audio effects or voice recognition in smart speakers.

Robotics Controllers

Multiple timers and PWM channels drive stepper or BLDC motors with precise timing and fault handling.

Battery Management Systems

Low voltage operation and brown-out detection ensure safe state monitoring in 48V automotive BMS.

Q: What is the core and speed of STM32G474RBT6?
A: It uses an ARM Cortex-M4F core running at 170MHz, with FPU and DSP instructions.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, suitable for battery and low-power designs.
Q: How much flash and RAM does it have?
A: It provides 128KB flash and 128KB RAM, enabling complex control algorithms.
Q: Does it support advanced motor control?
A: Yes, it includes high-resolution timers and PWM, plus I2S and DMA for real-time control.
Base Product Number : STM32G474RB
128KB Flash 128KB RAM 170MHz 32-bit MCU ARM Cortex-M4F Digital Power DMA I2S LQFP-64 Motor Control PWM Robotics STM32G4
Q: What is the core and speed of STM32G474RBT6?
A: It uses an ARM Cortex-M4F core running at 170MHz, with FPU and DSP instructions.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, suitable for battery and low-power designs.
Q: How much flash and RAM does it have?
A: It provides 128KB flash and 128KB RAM, enabling complex control algorithms.
Q: Does it support advanced motor control?
A: Yes, it includes high-resolution timers and PWM, plus I2S and DMA for real-time control.