STMicroelectronics STM32G491REI3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $18.16 | $18.16 |
| 15+ | $4.18 | $62.70 |
| 25+ | $4.09 | $102.25 |
| 50+ | $3.86 | $193.00 |
| 100+ | $3.41 | $341.00 |
| N+ | $0.68 | 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 | 52 |
| 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 24x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Memory Type | Surface Mount |
| Grade | - |
| Qualification | - |
| Package / Case | 64-UFBGA (5x5) |
| Supplier Device Package | 64-UFBGA |
The STM32G491REI3 from STMicroelectronics is a high-performance ARM Cortex-M4F microcontroller with DSP instructions and a floating-point unit. It operates at up to 170 MHz, providing ample compute for real-time control and signal processing. With 512 KB of flash and 112 KB of SRAM, it supports complex applications. The device includes advanced analog peripherals, multiple communication interfaces, and robust power management, all in a compact 64-UFBGA package.
- High-Speed Processing: 170 MHz Cortex-M4F with FPU accelerates math-intensive tasks like FOC and audio processing.
- Large Memory Footprint: 512 KB flash and 112 KB SRAM enable storing complex firmware and large data buffers.
- Wide Temperature Range: -40°C to 125°C ensures reliable operation in extreme industrial environments.
- Advanced Analog Integration: Fast ADCs and DACs reduce external component count and improve signal acquisition accuracy.
- Low Power Flexibility: Multiple low-power modes and a wide voltage range (1.71V-3.6V) support battery-operated designs.
Industrial Motor Control
With a 170 MHz Cortex-M4F core and high-resolution PWM timers, the STM32G491REI3 enables precise field-oriented control (FOC) for BLDC and PMSM motors, improving efficiency and reducing acoustic noise.
Digital Power Conversion
The fast ADC (up to 4 MSPS) and high-speed comparators support digital switch-mode power supplies, enabling tight voltage regulation and fast transient response in server and telecom power units.
Advanced Embedded Automation
Its 512 KB flash and 112 KB RAM allow complex control algorithms and data logging in PLCs and industrial robots, while the DMA offloads the CPU for real-time tasks.
Portable Medical Devices
The low-voltage operation (down to 1.71V) and multiple low-power modes make it suitable for battery-powered diagnostic tools, ensuring long battery life without sacrificing processing power.
Automotive Aftermarket ECUs
Operating from -40°C to 125°C, this MCU handles harsh environments for engine control units, transmission controllers, and battery management systems in automotive retrofit applications.
IoT Edge Gateways
With rich connectivity peripherals (I2S, UART, SPI) and a powerful core, it can pre-process sensor data locally before sending it to the cloud, reducing latency and bandwidth usage.
- Q: What is the maximum operating frequency of the STM32G491REI3?
- A: The STM32G491REI3 runs at up to 170 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It includes 512 KB of flash memory.
- Q: What package is available?
- A: It comes in a 64-UFBGA package.
- Q: Does it support motor control?
- A: Yes, it includes advanced PWM timers suitable for motor control.
STM32G491REI3.pdf
- Q: What is the maximum operating frequency of the STM32G491REI3?
- A: The STM32G491REI3 runs at up to 170 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It includes 512 KB of flash memory.
- Q: What package is available?
- A: It comes in a 64-UFBGA package.
- Q: Does it support motor control?
- A: Yes, it includes advanced PWM timers suitable for motor control.
