STM32G441RBT3 STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
The STM32G441RBT3 is a 32-bit Arm Cortex-M4 microcontroller running at up to 170 MHz with 128 KB Flash, hardware crypto, and a math accelerator. It integrates 52 GPIO, ADC, PWM, and DMA channels in a compact LQFP-64 package. Available from stock worldwide with fast shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- STM32G441RBT3 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32G441RBT3?
- Arm Cortex-M4 core with FPU running up to 170 MHz delivers high DSP throughput for motor control and signal processing tasks
- Hardware AES-256 and public-key cryptography accelerator enables secure IoT communications without software overhead
- Trigonometric Math Accelerator (CORDIC) and FMAC filter unit offload real-time motor-control calculations from the CPU
- Rich analog integration including 12-bit ADC at up to 5 Msps and 52 GPIO in a compact LQFP-64 package
What is STM32G441RBT3 used for?
The STM32G441RBT3 is designed for precision motor control applications such as BLDC and PMSM drives, where its 170 MHz Cortex-M4 core, CORDIC accelerator, and hardware PWM timers enable fast current-loop control at update rates exceeding 100 kHz. Its hardware cryptography makes it well-suited for secure IoT edge nodes, smart meters, and industrial automation controllers that require AES encryption and secure boot. The device also targets power-conversion designs and battery management systems requiring high-resolution ADC sampling and precise PWM generation.
What are the specifications of STM32G441RBT3?
| YTEOL | 9 |
| Has ADC | YES |
| Bit Size | 32 |
| Clock Frequency-Max | 48MHz |
| DMA Channels | YES |
| Number of I/O Lines | 52 |
| PWM Channels | YES |
| Package Shape | SQUARE |
| Package Style | FLATPACK, LOW PROFILE, FINE PITCH |
| Speed | 150MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 1.71V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| 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 STM32G441RBT3 datasheet?
STM32G441RBT3 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32G441RBT3?
Compatible alternatives and drop-in replacements for STM32G441RBT3:
Frequently Asked Questions
How does the CORDIC math accelerator in STM32G441RBT3 improve motor control loop performance?
The CORDIC hardware block in STM32G441RBT3 computes trigonometric functions like sine and cosine in approximately 4 clock cycles at 170 MHz, compared to 20-100 cycles using software math libraries on a standard Cortex-M4. This allows a field-oriented control (FOC) algorithm to complete the current-loop calculation within 10 µs, enabling PWM update rates above 100 kHz for high-efficiency BLDC and PMSM motor drives.
Which security features does STM32G441RBT3 offer for connected industrial applications requiring data protection?
STM32G441RBT3 integrates a hardware AES-256 encryption engine, a true random number generator (TRNG), and a public-key accelerator (PKA) for RSA and elliptic-curve operations. These hardware blocks offload cryptographic computation from the 170 MHz CPU, enabling TLS handshakes and AES-256 data encryption with latency under 1 µs per 128-bit block, suitable for IIoT nodes and secure communication modules.
For a compact motor-drive PCB, how many I/O and PWM resources does STM32G441RBT3 provide in its LQFP-64 package?
In the LQFP-64 package the STM32G441RBT3 provides 52 GPIO pins, multiple advanced-control timers capable of generating 6 complementary PWM outputs with programmable dead-time insertion, and a 12-bit ADC sampling at up to 5 Msps. This combination supports 3-phase inverter control with current sensing, encoder feedback, and fault input handling within a single 10 mm x 10 mm footprint.
When should a designer choose STM32G441RBT3 over a lower-cost STM32F4 series part for a new motor-control design?
STM32G441RBT3 is the better choice when the design requires integrated hardware AES-256 crypto, CORDIC-accelerated trigonometric math, or FMAC digital filtering—features absent from the STM32F4 series. The G441 also runs at 170 MHz versus 168 MHz for STM32F4, and its manufacturing process results in lower active power consumption, making it preferable for battery-backed or energy-efficient industrial drives operating from a 3.3 V supply.
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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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