STM32G441CBT3 STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
The STM32G441CBT3 from STMicroelectronics is a 32-bit Arm Cortex-M4 microcontroller running at up to 170 MHz with 128 KB Flash, a math accelerator, hardware AES-256 crypto engine, and integrated ADC and DAC channels. It targets motor control and industrial IoT designs requiring floating-point computation and on-chip security in a compact LQFP-48 package. Available from authorized distributors with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 48
- Lifecycle
- ACTIVE
- Datasheet
- STM32G441CBT3 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
Key Features
- Arm Cortex-M4 core at 170 MHz with FPU and CORDIC/FMAC math accelerators for real-time motor control and DSP workloads
- Hardware AES-256, PKI, and true random number generator providing on-chip cryptographic security for industrial IoT edge nodes
- 128 KB Flash with 32 KB SRAM, dual ADC, and DAC channels integrated in a 48-pin LQFP package for space-efficient designs
Applications
The STM32G441CBT3 is optimized for motor control applications such as BLDC and PMSM drives, where the 170 MHz Cortex-M4 with CORDIC accelerator and dual ADC enables fast field-oriented control loops. It is also used in secure industrial IoT edge nodes that require AES-256 hardware encryption to protect sensor data transmitted over CAN-FD or USART interfaces. Additionally, the device suits energy metering, power inverters, and home automation gateways that demand floating-point performance and on-chip security in a compact 48-pin footprint.
Specifications
| 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 | NO |
| JESD-30 Code | S-PQFP-G48 |
| Low Power Mode | YES |
| Number of DMA Channels | 12 |
| Number of External Interrupts | 16 |
| Number of I/O Lines | 38 |
| Number of Serial I/Os | 5 |
| 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 | QFP48,.35SQ,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 | 150MHz |
| Supply Current-Max | 28mA |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32G441CBT3:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 150MHz, CMOS, PQFP48
Frequently Asked Questions
Which motor control topologies can STM32G441CBT3 support at 170 MHz with its math accelerator?
The STM32G441CBT3 supports BLDC, PMSM, and stepper motor field-oriented control at 170 MHz using the CORDIC trigonometric accelerator and FMAC filter engine, enabling FOC loop execution times under 1 µs and PWM resolutions compatible with 16-bit timer outputs.
How does the hardware crypto engine on STM32G441CBT3 benefit industrial IoT edge designs compared to a software-only AES implementation?
The dedicated AES-256 hardware accelerator on STM32G441CBT3 encrypts and decrypts data at wire speeds without loading the 170 MHz Cortex-M4 core, reducing encryption latency by 10x to 20x compared to software AES and freeing CPU cycles for real-time control tasks in industrial IoT nodes.
What memory configuration does STM32G441CBT3 offer and how does it compare to STM32G431CBT3?
The STM32G441CBT3 includes 128 KB Flash and 32 KB SRAM along with hardware crypto (AES-256) not present on STM32G431CBT3, making it the preferred choice for secure motor-drive or IoT applications that need both adequate Flash storage and on-chip cryptographic acceleration.
For a compact 48-pin LQFP board layout, how many ADC channels and DAC channels does STM32G441CBT3 provide?
In the 48-pin LQFP package, STM32G441CBT3 provides dual 12-bit ADC inputs with up to 19 channels and 3 DAC output channels, supporting simultaneous current sensing and voltage reference generation required for field-oriented motor control and precision analog signal chains.
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