STMicroelectronics STM32G431KBT3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $11.79 | $11.79 |
| 15+ | $2.71 | $40.65 |
| 25+ | $2.66 | $66.50 |
| 50+ | $2.51 | $125.50 |
| 100+ | $2.21 | $221.00 |
| N+ | $0.44 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32G4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit |
| Speed | 170MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 11x12b SAR; D/A 4x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-LQFP (7x7) |
| Package / Case | 32-LQFP |
| ROHS |
The STM32G431KBT3TR is a 170MHz ARM Cortex-M4 microcontroller with FPU, offering 128KB flash and 32KB SRAM. It operates from 1.71V to 3.6V and is rated for -40°C to 125°C. The 32-LQFP package provides a compact footprint. With advanced PWM, fast ADC, and brown-out detection, it excels in digital power and motor control.
- 170MHz speed – fastest in class for real-time control loops.
- 125°C operation – reliable in automotive and high-power systems.
- 1.71V minimum – supports single-cell battery and energy harvesting.
- Advanced PWM + ADC – enables high-efficiency digital power conversion.
High-Performance Motor Control
170MHz M4 with FPU executes FOC algorithms at 20kHz+ switching frequency, while PWM timers have dead-time insertion.
Digital Power Supplies
Fast ADC and comparator trigger PWM in real-time, achieving >90% efficiency in LLC converters.
Automotive Battery Management
125°C rating allows placement near battery cells; brown-out detect ensures safe shutdown during cranking.
Industrial Robotics
32KB SRAM caches trajectory data, and DMA handles EtherCAT communication without CPU stalls.
Solar Inverters
High-speed PWM and I2S for grid synchronization, with WDT for fault recovery.
Medical Implants
1.71V operation extends battery life, and POR guarantees safe reset during surgery.
- Q: What is the max frequency?
- A: 170MHz, the fastest in the STM32G4 series.
- Q: Operating voltage?
- A: 1.71V to 3.6V, supporting low-power and standard logic.
- Q: Temperature range?
- A: -40°C to 125°C, ideal for extreme environments.
- Q: Memory?
- A: 128KB flash and 32KB SRAM.
- Q: Package?
- A: 32-LQFP, compact with 32 GPIOs.
- Q: What is the max frequency?
- A: 170MHz, the fastest in the STM32G4 series.
- Q: Operating voltage?
- A: 1.71V to 3.6V, supporting low-power and standard logic.
- Q: Temperature range?
- A: -40°C to 125°C, ideal for extreme environments.
- Q: Memory?
- A: 128KB flash and 32KB SRAM.
- Q: Package?
- A: 32-LQFP, compact with 32 GPIOs.

STM32G431KBT3TR.pdf