STMicroelectronics STM32G491CEU3
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.29 | $17.29 |
| 15+ | $3.97 | $59.55 |
| 25+ | $3.89 | $97.25 |
| 50+ | $3.67 | $183.50 |
| 100+ | $3.24 | $324.00 |
| N+ | $0.65 | Price Inquiry |
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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, WDT |
| Number of I/O | 42 |
| 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 19x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UFQFPN (7x7) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |
The STMicroelectronics STM32G491CEU3 is a 32-bit MCU based on the ARM Cortex-M4 core at 170MHz. It offers 512KB flash and 112KB RAM, with a supply range of 1.71V to 3.6V. The 48-UFQFN package includes DMA, I2S, POR, PWM, WDT, and Brown-out Detect/Reset, targeting industrial and automotive applications requiring high performance and extended temperature range.
- 170MHz Cortex-M4 with FPU: Accelerates math-intensive tasks like motor control and audio processing.
- 512KB flash / 112KB RAM: Ample space for complex firmware and real-time data buffers.
- Extended temperature range (-40°C to 125°C): Reliable in harsh industrial and automotive environments.
- Rich peripheral set (DMA, I2S, PWM): Reduces external components and simplifies system design.
Industrial Drives and Inverters
The 170MHz Cortex-M4 with FPU handles complex FOC motor control algorithms, while the 125°C rating ensures reliability in high-temperature cabinets.
Digital Power Supplies
High-speed PWM and 112KB RAM enable real-time loop control for server or telecom PSUs, with Brown-out Detect ensuring safe shutdown.
Automotive ECU (Non-Safety)
Operating from -40°C to 125°C, it suits engine cooling fan or fuel pump controllers, where 512KB flash stores calibration maps.
Audio Processing Modules
The I2S interface and 170MHz core support high-fidelity audio codecs in smart speakers or professional mixers.
Robotics Controllers
With DMA and multiple timers, it coordinates multi-axis motion in collaborative robots, while WDT prevents lockups.
Smart Grid Protection Relays
The 48-UFQFN package and wide temperature range make it suitable for substation monitoring, with fast ADC sampling for fault detection.
- Q: What is the core and speed of the STM32G491CEU3?
- A: It uses an ARM Cortex-M4 core running at up to 170MHz.
- Q: How much flash and RAM are included?
- A: It has 512KB flash and 112KB RAM.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for harsh environments.
- Q: What package is this?
- A: It comes in a 48-UFQFN with exposed pad for thermal management.
- Q: Does it support advanced peripherals?
- A: Yes, it includes DMA, I2S, POR, PWM, WDT, and Brown-out Detect/Reset.
- Q: What is the core and speed of the STM32G491CEU3?
- A: It uses an ARM Cortex-M4 core running at up to 170MHz.
- Q: How much flash and RAM are included?
- A: It has 512KB flash and 112KB RAM.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 125°C, suitable for harsh environments.
- Q: What package is this?
- A: It comes in a 48-UFQFN with exposed pad for thermal management.
- Q: Does it support advanced peripherals?
- A: Yes, it includes DMA, I2S, POR, PWM, WDT, and Brown-out Detect/Reset.

STM32G491CEU3.pdf