STMicroelectronics STM32G473QET3

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32G4
Packaging Bulk | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit
Speed 170MHz
Connectivity CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, TRNG, WDT
Number of I/O 107
Program Memory Size 512KB (512K 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 42x12b SAR; D/A 7x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 105°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 128-LQFP (14x14)
Package / Case 128-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32G473QET3 from STMicroelectronics is a powerful 32-bit microcontroller featuring an ARM Cortex-M4 core with FPU running at 170MHz. It offers 512KB of flash memory and 128KB of SRAM, providing a balanced memory configuration for mid-range applications. The device operates from 1.71V to 3.6V and includes a rich set of peripherals such as DMA, I2S, PWM, and TRNG. With an operating temperature range of -40°C to 105°C, it is well-suited for industrial and automotive environments. The 128-LQFP package ensures easy integration into PCB designs.

  • High-Performance Core: 170MHz Cortex-M4 with FPU accelerates math-intensive tasks and signal processing.
  • Advanced Security: Integrated TRNG enhances data encryption and secure communication protocols.
  • Rich Analog Peripherals: Multiple 12-bit ADCs and DACs enable precise analog signal measurement.
  • Wide Temperature Range: -40°C to 105°C ensures reliable operation in extreme conditions.

Power Conversion Systems

The 170MHz Cortex-M4 with high-resolution timers and 12-bit ADC enables precise digital power control for SMPS and inverters.

Industrial Drives

Advanced PWM generation and fault handling features support field-oriented control of AC motors with high efficiency.

Battery Management Systems

Multiple ADCs and comparators allow accurate cell voltage monitoring and protection in automotive BMS applications.

Embedded Security Modules

The integrated TRNG and cryptographic acceleration provide secure key generation for IoT authentication.

Audio Processing

I2S interface and DMA controllers enable low-latency audio streaming for professional audio equipment.

Test and Measurement

High-speed ADC and flexible timer architecture support precise signal acquisition in oscilloscopes and data loggers.

Q: What is the core processor used in STM32G473QET3?
A: It uses an ARM Cortex-M4 core with FPU, running at 170MHz.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C, suitable for harsh environments.
Q: Does it support TRNG?
A: Yes, it includes a True Random Number Generator for security applications.
Q: What is the RAM size?
A: It has 128KB of SRAM for data storage.
Q: What package is this device available in?
A: It comes in a 128-LQFP package.
Base Product Number : STM32G473QE
128KB RAM 170MHz 32-bit MCU 512KB Flash ARM Cortex-M4 Automotive Industrial LQFP-128 Power TRNG
Q: What is the core processor used in STM32G473QET3?
A: It uses an ARM Cortex-M4 core with FPU, running at 170MHz.
Q: What is the operating temperature range?
A: It operates from -40°C to 105°C, suitable for harsh environments.
Q: Does it support TRNG?
A: Yes, it includes a True Random Number Generator for security applications.
Q: What is the RAM size?
A: It has 128KB of SRAM for data storage.
Q: What package is this device available in?
A: It comes in a 128-LQFP package.