STMicroelectronics STM32G491CET3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.47 | $17.47 |
| 15+ | $4.02 | $60.30 |
| 25+ | $3.93 | $98.25 |
| 50+ | $3.71 | $185.50 |
| 100+ | $3.28 | $328.00 |
| N+ | $0.66 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32G4 |
| Packaging | Bulk | |
| Core Processor | ARM® Cortex®-M4F |
| 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, WDT |
| Number of I/O | 38 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 112K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 18x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Memory Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 48-LQFP (7x7) |
| Supplier Device Package | 48-LQFP |
The STM32G491CET3 from STMicroelectronics is a high-performance 32-bit MCU built on the ARM Cortex-M4F core with FPU, running at 170 MHz. It offers 512KB flash and 112KB SRAM, ideal for real-time control and signal processing. With a wide 1.71V to 3.6V supply range and -40°C to 125°C operation, it is suited for industrial and automotive environments. The 48-LQFP package provides a compact footprint for space-constrained designs.
- High-Speed Processing: 170MHz Cortex-M4F with FPU accelerates math-intensive algorithms.
- Large Memory: 512KB flash and 112KB SRAM support complex applications without external memory.
- Wide Temperature Range: -40°C to 125°C ensures reliability in harsh environments.
- Rich Peripherals: DMA, I2S, PWM, and brown-out detection enable versatile system integration.
Industrial Motor Control
The 170MHz Cortex-M4F with FPU and advanced PWM timers enables precise field-oriented control (FOC) for BLDC and PMSM motors, with high-resolution dead-time generation.
Digital Power Conversion
With 12-bit ADC and fast comparators, it supports digital PFC and LLC converters, achieving high switching frequency efficiency.
Embedded Audio Processing
The I2S interface and 512KB flash allow audio codec streaming and DSP effects for smart speakers and voice assistants.
Battery-Powered IoT Gateways
Low 1.71V operation and multiple low-power modes extend battery life in wireless sensor nodes and BLE mesh gateways.
Automotive Body Electronics
Operating up to 125°C and with robust brown-out detection, it suits automotive lighting and window lift controllers.
Robotics and Drones
DMA and PWM channels support multi-axis servo control and sensor fusion for stable flight and navigation.
- Q: What is the maximum operating frequency of the STM32G491CET3?
- A: The STM32G491CET3 runs at up to 170 MHz with an ARM Cortex-M4F core.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, suitable for battery-powered designs.
- Q: How much flash and RAM does it have?
- A: It includes 512KB flash and 112KB SRAM.
- Q: What package is available?
- A: It comes in a 48-pin LQFP package.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: What is the maximum operating frequency of the STM32G491CET3?
- A: The STM32G491CET3 runs at up to 170 MHz with an ARM Cortex-M4F core.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, suitable for battery-powered designs.
- Q: How much flash and RAM does it have?
- A: It includes 512KB flash and 112KB SRAM.
- Q: What package is available?
- A: It comes in a 48-pin LQFP package.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.

STM32G491CET3.pdf