STM32G431RBI3TR STMicroelectronics Integrated Circuit (BGA) In Stock
STMicroelectronics STM32G431RBI3TR is a 32-bit Cortex-M4 MCU running at 170 MHz with 128 KB Flash, hardware math accelerator, and medium-level analog integration in BGA package. Designed for motor control and industrial applications. Available worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- BGA
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- STM32G431RBI3TR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.6400(MOQ 100)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32G431RBI3TR?
- Arm Cortex-M4 core with FPU and DSP instructions running at 170 MHz, delivering high-performance digital signal processing for motor control and industrial automation
- Hardware math accelerator (CORDIC and FMAC) enabling sine/cosine and filter computations without CPU overhead, critical for real-time FOC motor algorithms
- Medium analog integration including high-resolution ADC, comparators, and DAC on-chip, reducing BOM in signal conditioning applications
What is STM32G431RBI3TR used for?
The STM32G431RBI3TR is optimized for field-oriented control (FOC) motor drives, power converters, and industrial servo systems requiring fast 170 MHz processing and hardware trigonometric acceleration. Its integrated high-resolution ADC and CORDIC math accelerator allow single-chip implementation of closed-loop current control in BLDC and PMSM drives, reducing latency to under 1 microsecond per control cycle.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.30 |
| Country of Origin | Mainland China, Philippines, Taiwan |
Where can I find the STM32G431RBI3TR datasheet?
STM32G431RBI3TR Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32G431RBI3TR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What hardware math accelerators does the STM32G431RBI3TR include and how do they benefit FOC motor control?
The STM32G431RBI3TR integrates CORDIC for trigonometric functions such as sine and cosine, and FMAC for digital filtering operations. These hardware accelerators complete calculations in as few as 4 clock cycles at 170 MHz, enabling fast field-oriented control algorithms for BLDC and PMSM motors without loading the Cortex-M4 CPU.
How much Flash memory does the STM32G431RBI3TR provide and is it sufficient for a complete motor control firmware stack?
The STM32G431RBI3TR provides 128 KB of Flash memory, which is sufficient for a complete FOC motor control firmware including current loop, speed loop, communication stack (e.g. CAN or UART), and fault handling. Running at 170 MHz Cortex-M4, it handles all tasks within deterministic real-time scheduling constraints.
When is the STM32G431RBI3TR a better choice than the STM32F4 series for industrial power electronics designs?
The STM32G431RBI3TR is preferred over the STM32F4 series in designs requiring hardware CORDIC and FMAC accelerators, higher ADC resolution, and lower power consumption. Its 170 MHz Cortex-M4 with integrated math hardware reduces software cycle count in motor control inner loops, while the BGA package supports compact high-density board layouts compared to equivalent LQFP footprints.
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Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $4.4300 | $443.00 |
| 250+ | $4.2200 | $1055.00 |
| 500+ | $3.8500 | $1925.00 |
| 5000+ | $3.6400 | $18200.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
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