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STMicroelectronics STM32G441RBT6

Name: STM32G441RBT6
Brand: STMicroelectronics
SKU: STM32G441RBT6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32G441RBT6

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 64-LQFP

Datasheet:: STM32G441RBT6.pdf

Description:: IC MCU 32BIT 128KB FLASH 64LQFP

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Product details

Overview

STM32G441RBT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, 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 (1 MSPS buffered), dual 16-bit ADCs (0.25 µs conversion), CORDIC/FMAC math accelerators, and FDCAN for industrial motor control and power conversion systems.

For engineers reviewing the STM32G441RBT6 datasheet, STM32G441RBT6 pinout, STM32G441RBT6 application, or STM32G441RBT6 equivalent, key selection factors include its LQFP64 package, 5 V-tolerant GPIOs, hardware AES-128/256 encryption, ultra-fast comparators (4×), and programmable op-amps usable in PGA mode - all critical for real-time embedded control with security and precision analog signal chain requirements.

Technical Context

The STM32G441RBT6 implements an Arm Cortex-M4 core with 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, 22 KB SRAM with parity on first 16 KB, and 10 KB CCM SRAM with parity on instruction/data bus.

Analog integration comprises two independent 16-bit ADCs (up to 23 channels, 0–3.6 V range, hardware oversampling), four rail-to-rail comparators, three op-amps (all terminals accessible, PGA-capable), and a programmable voltage reference buffer (2.048 V / 2.5 V / 2.9 V outputs). The device supports FDCAN with flexible data rate and USB 2.0 full-speed with LPM/BCD.

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 (16 KB with parity); 10 KB CCM SRAM (parity-enabled)
Analog Peripherals	2× 16-bit ADCs (0.25 µs, 23 ch, 0–3.6 V); 4× comparators; 3× op-amps (PGA mode supported); 4× 12-bit DACs
Math Acceleration	CORDIC engine for trigonometric functions; FMAC for digital filter computation
Security & Crypto	AES-128/256 hardware accelerator; true RNG; 96-bit unique ID; CRC unit
Package & I/O	LQFP64 (10 × 10 mm); up to 51 fast I/Os, multiple 5 V-tolerant pins
Power & Clock	VDD/VDDA: 1.71–3.6 V; internal 16 MHz RC (±1%); 4–48 MHz crystal oscillator support

Pinout & Package

LQFP64 (10 × 10 mm, 0.5 mm pitch) package with exposed thermal pad; RoHS-compliant, industrial temperature range (–40 °C to +85 °C).

Pin/Terminal	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	Digital & analog ground	Independent grounding reduces noise coupling between digital switching and analog conversion
NRST	Active-low reset input	Asynchronous reset with internal pull-up; supports external reset button or supervisor IC
PA0–PA15, PB0–PB15, PC0–PC15, PD0–PD15, PE0–PE15	General-purpose I/Os	Up to 51 GPIOs; many support 5 V tolerance, external interrupts, and alternate functions (ADC, TIM, USART, etc.)
PA1, PA2, PA3, PA4, PA5, PA6, PA7, PB0, PB1, PB2, PC0–PC5, PC10–PC15, PD2, PE0–PE7	ADC inputs	Support simultaneous sampling across two 16-bit ADCs with hardware oversampling
PA4, PA5, PA6, PA7, PB0, PB1, PB14, PB15, PC0, PC1, PC2, PC3, PC4, PC5	DAC outputs	Four 12-bit DAC channels: two buffered (1 MSPS), two unbuffered (15 MSPS)
PA0, PA1, PA2, PA3, PA6, PA7, PB0, PB1, PB4, PB5, PC0, PC1, PC2, PC3, PC4, PC5	Comparator inputs	Four ultra-fast rail-to-rail comparators with programmable hysteresis and window mode
PA1, PA2, PA3, PA4, PA5, PA6, PA7, PB0, PB1, PB2, PB10, PB11, PC0–PC5, PC10–PC15, PD2, PE0–PE7	Timer channels	14 timers including advanced motor control timers (TIM1/TIM8) with dead-time generation and emergency stop

Key Features

Feature	Design Value
CORDIC accelerator	Hardware trigonometric computation (sin/cos/tan/atan) offloads CPU, enabling real-time motor vector control without floating-point library overhead
FMAC unit	Dedicated filter math accelerator supports real-time FIR/IIR filtering for sensor signal conditioning and closed-loop control
Adaptive Real-Time Accelerator (ART)	Enables zero-wait-state execution from Flash at 170 MHz, eliminating need for code relocation to SRAM for performance-critical routines
Programmable voltage reference buffer (VREFBUF)	Provides stable 2.048 V / 2.5 V / 2.9 V references for ADC/DAC calibration and precision analog measurement
FDCAN controller	Supports flexible data-rate CAN FD (up to 5 Mbit/s) for high-bandwidth motor feedback and diagnostics in industrial drives

Applications

Industrial Motor Drives

Smart Power Converters

Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC/PMSM motors in HVAC compressors and servo drives.

IC Role / Device Role / Timing Role: Main system controller executing FOC algorithm, managing PWM generation via advanced timers (TIM1/TIM8), ADC sampling, and current/voltage sensing.

Use Value: CORDIC + FMAC enable real-time vector math and filtering; 170 MHz core ensures sub-microsecond loop timing; 5 V-tolerant GPIOs interface directly with gate drivers.

Use Scenario: Digital control of isolated DC-DC converters and active rectifiers in renewable energy inverters.

IC Role / Device Role / Timing Role: Primary digital power controller handling voltage/current regulation, protection logic, and communication with host MCU via FDCAN or UART.

Use Value: Dual 16-bit ADCs sample primary/secondary side signals simultaneously; hardware AES secures firmware updates; LQFP64 provides layout flexibility for EMI-sensitive power stages.

Medical Infusion Pumps

Test & Measurement Equipment

Use Scenario: Precision fluid delivery control with pressure sensing, flow monitoring, and battery-backed runtime logging.

IC Role / Device Role / Timing Role: Safety-critical controller managing stepper motor sequencing, analog sensor acquisition (pressure, temperature), and RTC-based dose tracking.

Use Value: Internal VREFBUF enables calibrated ADC measurements; true RNG supports secure audit log signing; standby mode draws <1.5 µA for extended battery life.

Use Scenario: Portable oscilloscope front-end with multi-channel analog capture, waveform processing, and USB 2.0 data streaming.

IC Role / Device Role / Timing Role: Signal acquisition processor performing real-time FFT via CORDIC/FMAC, buffering samples in CCM SRAM, and streaming via USB FS.

Use Value: 0.25 µs ADC conversion enables 4 MSps effective sampling; 10 KB CCM SRAM provides low-latency buffer; USB BCD support simplifies battery charging integration.

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32G431RBT6	Same core, package, and peripheral set but reduced Flash (64 KB vs. 128 KB) and no CCM SRAM	Suitable for cost-sensitive motor control where code size <64 KB and no high-speed instruction/data buffering required	Select when Flash budget and CCM usage are non-critical; retains identical pinout and driver compatibility
STM32F303RBT6	Cortex-M4F core at 72 MHz; no CORDIC/FMAC; 128 KB Flash, 16 KB SRAM; lacks FDCAN and VREFBUF	Legacy designs requiring basic motor control without advanced math acceleration or CAN FD	Choose only for migration from existing F3 designs; lacks G4's analog precision, security, and real-time math capabilities

Compared with STM32G431RBT6, the STM32G441RBT6 adds 64 KB Flash and 10 KB CCM SRAM for complex control algorithms and real-time buffering; versus STM32F303RBT6, it delivers 2.4× higher CPU throughput, integrated math accelerators, FDCAN, and enhanced analog accuracy - making it optimal for next-generation digital power and motor control.

Availability

STM32G441RBT6 is available at Aetrix Electronics and suitable for industrial motor drives, smart power converters, medical infusion pumps, and portable test equipment requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for STM32G441RBT6 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 management ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32G4 series targets high-performance, cost-sensitive embedded control applications demanding real-time analog integration, cryptographic security, and mathematical acceleration - especially in digital power, motor control, and precision instrumentation.

FAQ

What is the maximum operating frequency and corresponding DMIPS rating of the STM32G441RBT6?

The STM32G441RBT6 operates at up to 170 MHz with an integer performance rating of 213 DMIPS (Dhrystone 2.1), achieved using the ART Accelerator for zero-wait-state Flash execution and the Cortex-M4F core with hardware FPU. This enables deterministic real-time response for motor control loops and digital power regulation without code optimization compromises.

Does the STM32G441RBT6 support hardware-accelerated cryptography, and which algorithms are implemented?

Yes, the STM32G441RBT6 integrates a dedicated AES hardware accelerator supporting both 128-bit and 256-bit key encryption/decryption, compliant with FIPS-197. It also includes a true random number generator (RNG) and CRC calculation unit, enabling secure boot, firmware authentication, and encrypted communication without CPU overhead or software library dependencies.

How many analog-to-digital converter (ADC) channels does the STM32G441RBT6 provide, and what are their key resolution and speed specifications?

The STM32G441RBT6 features two independent 16-bit ADCs with up to 23 total input channels, capable of 0.25 µs conversion time (4 MSPS effective sampling rate). Each ADC supports hardware oversampling (up to 8×), programmable sampling time, and simultaneous sampling - delivering high-resolution, low-noise acquisition for current sensing, voltage monitoring, and sensor interfacing in power electronics.

Which development tools and debug interfaces are natively supported by the STM32G441RBT6?

The STM32G441RBT6 supports Serial Wire Debug (SWD) and JTAG interfaces for full-featured debugging, including breakpoints, watchpoints, and real-time variable inspection. It is fully compatible with ST's STM32CubeIDE, STM32CubeMX configuration tool, and third-party IDEs like Keil MDK and IAR Embedded Workbench. ST-LINK/V2-1 and ST-LINK/V3 debug probes are recommended for production programming and validation.

STM32G441RBT6 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 64-LQFP

Series:: STM32G4

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M4

Core Size:: 32-Bit Single-Core

Speed:: 170MHz

Connectivity:: CANbus, I2C, IrDA, LINbus, SAI, SPI, UART/USART, USB

Peripherals:: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

Number of I/O:: 52

Program Memory Size:: 128KB (128K 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:

STM32G441RBT6 FAQ

1.How can I place an order for STM32G441RBT6 through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32G441RBT6 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 STM32G441RBT6 reliable?

The price and inventory of STM32G441RBT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32G441RBT6 is usually 5 days.

3.What payment methods are accepted for STM32G441RBT6?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32G441RBT6 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32G441RBT6?

STM32G441RBT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32G441RBT6 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 STM32G441RBT6?

For technical support, including STM32G441RBT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32G441RBT6 requirements.

6.How does Aetrix verify that STM32G441RBT6 is sourced from the original manufacturer or authorized distributors?

All STM32G441RBT6 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 STM32G441RBT6 meets industry standards.

7.What is the process for return or replacement of STM32G441RBT6?

All STM32G441RBT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32G441RBT6, 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 STM32G441RBT6 part is unused and in its original packaging.

Return procedure for STM32G441RBT6:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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