STM32G431VBT3 STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STMicroelectronics STM32G431VBT3 is a 32-bit ARM Cortex-M4 microcontroller running at up to 170 MHz with 128 KB Flash, hardware math accelerator (CORDIC and FMAC), and rich analog peripherals including 12-bit ADC, DAC, and op-amps. Housed in a 100-pin LQFP package targeting motor control, digital power, and precision analog applications. Available from stock worldwide with competitive pricing.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- ACTIVE
- Datasheet
- STM32G431VBT3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32G431VBT3?
- 170 MHz ARM Cortex-M4 core with FPU and DSP instructions, hardware CORDIC trigonometric accelerator, and FMAC filter math accelerator for real-time motor control and digital signal processing without software overhead
- Rich analog integration including 4× 12-bit ADCs (up to 16 channels), 3× DAC channels, 4× operational amplifiers with programmable gain, and 7× comparators enabling single-chip analog front-end designs
- 128 KB Flash and 32 KB SRAM with hardware AES-256 encryption and true random number generator (TRNG) for secure embedded applications in 100-pin LQFP package
What is STM32G431VBT3 used for?
The STM32G431VBT3 is designed for brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) control, digital power conversion, and precision analog signal conditioning in industrial automation and home appliance applications. Its CORDIC math accelerator and integrated op-amps make it equally well suited for inverter control, battery management systems, and smart sensor interfaces requiring real-time trigonometric computation at 170 MHz.
What are the specifications of STM32G431VBT3?
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M4 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | YES |
| Format | FLOATING POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G100 |
| Low Power Mode | YES |
| Number of DMA Channels | 12 |
| Number of External Interrupts | 16 |
| Number of I/O Lines | 86 |
| Number of Serial I/Os | 6 |
| Number of Timers | 12 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| RAM (bytes) | 32768 |
| ROM (words) | 131072 |
| ROM Programmability | FLASH |
| Speed | 170MHz |
| Supply Current-Max | 34mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.71V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
| Country of Origin | Mainland China, Taiwan |
Where can I find the STM32G431VBT3 datasheet?
STM32G431VBT3 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32G431VBT3?
Compatible alternatives and drop-in replacements for STM32G431VBT3:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 150MHz, CMOS, PQFP48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP100
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 170MHz, CMOS, PQFP64
Frequently Asked Questions
How does the STM32G431VBT3's CORDIC accelerator benefit motor control applications running at 170 MHz?
The STM32G431VBT3's hardware CORDIC accelerator computes trigonometric functions (sine, cosine, arctangent) in as few as 4 clock cycles at 170 MHz, compared to 50–200 cycles for software implementations on the Cortex-M4 core alone. This frees the main CPU for current loop control, space vector PWM generation, and fault management in PMSM or BLDC motor drives, enabling control loop update rates of 20 kHz or higher in field-oriented control (FOC) algorithms.
What analog peripherals does the STM32G431VBT3 integrate, and how does this reduce external component count?
The STM32G431VBT3 integrates 4× 12-bit SAR ADCs with up to 16 input channels, 3× 12-bit DAC channels, 4× programmable-gain operational amplifiers, and 7× analog comparators. This level of on-chip analog integration eliminates the need for external op-amps, ADC drivers, and voltage reference circuits in motor control inverters and digital power supplies, reducing BOM cost by 5–10 components and shrinking PCB area by 20–30% compared to designs using discrete analog components.
For a compact motor-control PCB layout, how much board space does the STM32G431VBT3's LQFP-100 package require?
The STM32G431VBT3 is housed in a 100-pin LQFP (Low Profile Quad Flat Package) with a 14 mm × 14 mm body and 0.5 mm lead pitch. This package requires approximately 16 mm × 16 mm of PCB footprint including the pad ring and courtyard clearance, which is a reasonable footprint for a high-integration MCU providing 170 MHz CPU performance, CORDIC acceleration, and rich analog peripherals in a single device.
When is the STM32G431VBT3 a better fit than the STM32F103VBT6 for a new motor control design?
The STM32G431VBT3 is a better choice than the STM32F103VBT6 when a design requires the 170 MHz clock speed (versus 72 MHz for STM32F103), hardware CORDIC and FMAC accelerators for real-time FOC algorithms, and integrated op-amps or DAC channels for current sensing and reference generation. The G431 series also offers AES-256 hardware encryption and a TRNG absent from the F103, which is important for motor drives in connected home appliance or industrial IoT applications requiring firmware security.
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About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
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