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STMicroelectronics STM32G431V6T6
- Part No.:
- STM32G431V6T6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
STM32G431V6T6.pdf
- Description:
- IC MCU 32BIT 32KB FLASH 100LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,256
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Product details
Overview
STM32G431V6T6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU and ART Accelerator, operating up to 170 MHz (213 DMIPS), featuring 128 KB Flash with ECC, 32 KB SRAM (22 KB + 10 KB CCM), and integrated analog peripherals including dual 12-bit DACs, dual 16-bit ADCs (0.25 µs conversion), 4 comparators, and 3 op-amps - deployed in motor control, digital power conversion, and industrial sensing systems.
For engineers reviewing the STM32G431V6T6 datasheet, STM32G431V6T6 pinout, STM32G431V6T6 application, or STM32G431V6T6 equivalent, key selection criteria include its 48-pin LQFP package, FDCAN support for flexible data-rate automotive/industrial bus communication, CORDIC/FMAC hardware accelerators for real-time math, and UCPD interface for USB Type-C™ power delivery control.
Technical Context
The STM32G431V6T6 implements an Arm Cortex-M4 core with single-precision FPU and Adaptive Real-Time (ART) Accelerator enabling zero-wait-state execution from Flash at 170 MHz. Its memory subsystem includes 128 KB Flash with ECC and PCROP, plus 32 KB SRAM segmented into 22 KB general-purpose SRAM (16 KB parity-checked) and 10 KB CCM SRAM (parity-checked) for critical code/data.
Analog integration centers on two independent 16-bit ADCs (up to 23 channels, hardware oversampling), four rail-to-rail comparators, three fully accessible op-amps configurable as programmable gain amplifiers, and a voltage reference buffer supporting 2.048 V, 2.5 V, and 2.9 V outputs - all optimized for closed-loop control and precision signal conditioning.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU, 170 MHz max frequency (213 DMIPS), MPU, DSP instructions |
| Memory | 128 KB Flash with ECC & PCROP; 22 KB SRAM + 10 KB CCM SRAM, both with hardware parity |
| Analog Peripherals | Dual 16-bit ADCs (0.25 µs, 23 ch), 4x comparators, 3x op-amps (PGA mode), 4x 12-bit DACs (2 buffered @ 1 MSPS) |
| Hardware Accelerators | CORDIC for trigonometric functions; FMAC for filter computation; RNG and CRC units |
| Timers & Control | 14 timers including 2x advanced motor-control timers (TIM1/TIM8), 1x low-power timer, RTC with alarm/wakeup |
| Communication | FDCAN (flexible data rate), 4x USART/UART, 3x I²C, 3x SPI, USB 2.0 FS, SAI, LPUART, UCPD for USB Type-C™ PD |
| Supply & Power | 1.71–3.6 V operation; POR/PDR/BOR; PVD; sleep/stop/standby/shutdown modes; VBAT for RTC/backup registers |
Pinout & Package
LQFP48 (7 × 7 mm, 0.5 mm pitch) package with exposed thermal pad; 48 pins including 38 GPIOs (up to 5 V tolerant), multiple alternate function mappings for peripherals, dedicated VDD/VSS, VREF+/VREF–, VBAT, NRST, BOOT0, and SWDIO/SWCLK debug pins.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA | Core & analog supply | 1.71–3.6 V input; separate analog domain for precision ADC/DAC operation |
| VSS, VSSA | Ground reference | Digital and analog ground planes; separation reduces noise coupling in mixed-signal operation |
| PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD2 | General-purpose I/O | 38 total GPIOs; many support external interrupts, 5 V tolerance, and multiple AF functions |
| NRST | Reset input | Active-low reset with internal pull-up; accepts external reset pulses or debugger assertion |
| SWDIO / SWCLK | Debug interface | Two-pin Serial Wire Debug (SWD) for programming and real-time trace via ARM CoreSight |
| VREF+ | Analog reference high | Optional external reference input for ADC/DAC; bypasses internal VREFBUF when used |
| VBAT | Backup power supply | Connects to coin cell or supercap to retain RTC time and backup registers during main power loss |
Key Features
| Feature | Design Value |
|---|---|
| CORDIC accelerator | Hardware engine for sin/cos/tan/atan/sqrt/log/exp - reduces CPU load in motor control and sensor fusion |
| FMAC unit | Dedicated filter math accelerator supporting FIR/IIR computations with 32-bit precision and pipelined throughput |
| Advanced motor timers (TIM1/TIM8) | 8-channel PWM generation with programmable dead time, emergency stop, and quadrature encoder input |
| UCPD peripheral | Integrated USB Type-C™ Power Delivery controller supporting Rp/Rd detection, BMC decoding, and policy engine |
| VREFBUF output options | Configurable 2.048 V / 2.5 V / 2.9 V reference for ADC/DAC calibration and precision analog front-end biasing |
Applications
| Industrial Motor Drive | Digital Power Supply |
|---|---|
|
Use Scenario: Field-oriented control (FOC) of 3-phase BLDC/PMSM motors in HVAC blowers and pump inverters. IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, PWM generation, current sensing, and fault protection. Use Value: CORDIC and FMAC accelerate real-time vector transformations and current-loop filtering; dual ADCs sample phase currents simultaneously at 0.25 µs resolution. |
Use Scenario: Closed-loop regulation in AC-DC and DC-DC SMPS with adaptive voltage/current limiting. IC Role / Device Role / Timing Role: Digital power controller managing PWM duty cycle, voltage feedback, and thermal derating logic. Use Value: 16-bit ADCs with hardware oversampling enable <1% output ripple measurement; op-amps condition feedback signals without external components. |
| USB-C Power Delivery Hub | Smart Industrial Sensor Node |
|
Use Scenario: Multi-port USB-C docking station negotiating power contracts up to 100 W per port. IC Role / Device Role / Timing Role: UCPD policy engine coordinating CC line signaling, BMC communication, and VBUS switching. Use Value: Integrated UCPD eliminates need for external PD controller IC; FDCAN enables inter-device coordination in multi-port hubs. |
Use Scenario: Battery-powered predictive maintenance node monitoring vibration, temperature, and current in factory equipment. IC Role / Device Role / Timing Role: Low-power sensor aggregator with wake-on-event, RTC timestamping, and secure firmware updates. Use Value: Shutdown mode draws <100 nA; LPUART and RTC alarm enable precise periodic sampling; 96-bit unique ID supports device authentication. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32G431K6T6 | LQFP32 package (32-pin), reduced GPIO count (26), same core/peripherals but no UCPD or SAI | Suitable for space-constrained cost-sensitive designs without USB-C PD or audio interfaces | Select when board layout area is limited and UCPD/SAI are not required. |
| STM32G474RET6 | LQFP64 package, 512 KB Flash, 128 KB SRAM, additional crypto accelerators (AES, HASH, PKA), no UCPD | Targeted at secure firmware updates, encrypted communications, and higher memory footprint applications | Choose when cryptographic services or >128 KB Flash are mandatory; UCPD is not needed. |
Compared with STM32G431K6T6, the STM32G431V6T6 adds 16 more I/Os and full UCPD support; versus STM32G474RET6, it trades Flash/SRAM size and crypto for USB-C PD capability and smaller footprint - making it optimal for compact, power-negotiation-critical edge nodes.
Availability
STM32G431V6T6 is available at Aetrix Electronics and suitable for industrial motor drives, digital power supplies, USB-C PD hubs, and smart sensor nodes requiring stable component supply across production lifecycles.
Supply support for STM32G431V6T6 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power devices, sensors, and analog ICs for industrial, automotive, and consumer markets.
The STM32G4 series targets high-performance, cost-sensitive embedded applications demanding rich analog integration, real-time math acceleration, and USB-C power delivery - bridging the gap between mainstream and high-end MCUs.
FAQ
What is the maximum operating frequency and associated performance metric?
The STM32G431V6T6 operates at up to 170 MHz with the Arm Cortex-M4 core delivering 213 DMIPS (Dhrystone MIPS). This performance level is sustained using the ART Accelerator, which enables zero-wait-state execution from Flash memory, eliminating instruction fetch bottlenecks in real-time deterministic applications.
Does this MCU support USB Type-C™ Power Delivery, and how is it implemented?
Yes - the STM32G431V6T6 integrates a dedicated USB Type-C™ and Power Delivery (UCPD) peripheral compliant with USB PD 3.0. It handles CC line detection, BMC encoding/decoding, VBUS discharge control, and policy engine execution without external components, reducing bill-of-materials and PCB area in portable and docking applications.
How does the analog subsystem support precision motor control?
The analog subsystem includes dual 16-bit ADCs with simultaneous sampling, hardware oversampling (up to 12-bit effective resolution), and fast 0.25 µs conversion - enabling accurate current sensing in all three phases of a BLDC motor. Paired with three op-amps (configurable as PGAs) and four comparators, it supports inline shunt-based FOC with minimal external circuitry.
What low-power modes are available, and what is the lowest achievable current draw?
The STM32G431V6T6 supports Sleep, Stop, Standby, and Shutdown modes. In Shutdown mode with RTC and backup registers disabled, typical current consumption is below 100 nA. With RTC active and VBAT supplied, standby current remains under 300 nA - ideal for battery-backed industrial logging and wake-on-event sensor nodes.
STM32G431V6T6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 100-LQFP
- Series:
- STM32G4
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 170MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, SPI, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O:
- 86
- Program Memory Size:
- 32KB (32K 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 23x12b; D/A 4x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
STM32G431V6T6 FAQ
1.How can I place an order for STM32G431V6T6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32G431V6T6 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for STM32G431V6T6 reliable?
The price and inventory of STM32G431V6T6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G431V6T6 is usually 5 days.
3.What payment methods are accepted for STM32G431V6T6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G431V6T6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32G431V6T6?
STM32G431V6T6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32G431V6T6 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for STM32G431V6T6?
For technical support, including STM32G431V6T6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G431V6T6 requirements.
6.How does Aetrix verify that STM32G431V6T6 is sourced from the original manufacturer or authorized distributors?
All STM32G431V6T6 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32G431V6T6 meets industry standards.
7.What is the process for return or replacement of STM32G431V6T6?
All STM32G431V6T6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G431V6T6, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The STM32G431V6T6 part is unused and in its original packaging.
Return procedure for STM32G431V6T6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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