STM32G441KBT6 - 170MHz Cortex-M4 MCU | STMicroelectronics
MPN： STM32G441KBT6 ✓ 啟用中STM32G441KBT6 概覽
A microcontroller is a programmable system-on-chip that integrates a processor core, memory, peripherals, and communication interfaces on one semiconductor die. Within the embedded hierarchy, the STM32G441KBT6 is an Arm Cortex-M4 MCU, a 32-bit RISC controller within the STM32G4 family. It executes firmware, samples analog signals, controls actuators, and manages industrial, IoT, automation, motor-control, metering, and low-power board designs.
The principal device characteristics include 170 MHz execution, 213 DMIPS of compute performance, 128 KB of Flash, and 32 KB of SRAM. Its Cortex-M4F processor includes a floating-point unit and hardware math accelerator for control calculations. STMicroelectronics describes the device as a mainstream Arm Cortex-M4 MCU with medium analog integration, making it suitable for mixed-signal systems that require more control performance and analog capability than a general-purpose entry microcontroller.
The 32-pin LQFP package provides a practical route for prototyping and production assemblies that use leaded PCB land patterns. Its 7 x 7 mm body supports compact placement while leaving comparatively generous space between leads for assembly inspection and rework. The product family targets applications requiring deterministic embedded control, efficient peripheral integration, and a familiar STM32G4 software ecosystem.
Typical uses include industrial motor controllers, sensor and metering nodes, compact power converters, connected automation equipment, and low-power IoT devices. In these systems, the MCU can execute a control loop, process ADC readings, operate timers and communication peripherals, and supervise safety-critical state without requiring a separate processor.
Designers should confirm pin multiplexing, peripheral assignments, clock-tree requirements, analog reference routing, and firmware support in the STM32G441KB product documentation before finalizing a board. Proper decoupling, exposed-ground-plane layout, and signal-integrity practices are especially important when analog and high-speed digital functions operate in the same design.
This page combines manufacturer product information with practical selection guidance, comparison criteria, application-fit analysis, and design notes. It is intended to help engineers identify the correct MCU while recognizing that firmware, peripherals, qualification, and lifecycle decisions require validation against current STMicroelectronics documentation.
直接替換替代品，適用於 STM32G441KBT6 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： STM32G441KBT6 （相同外形與佔位） — 差異在於 Core, Math Accelerator, Mounting Type, Package.
STM32G441KBT3
✅ 直接替換📋 參考替代品（不在目錄中）
STM32G441KBT6U
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G441KBT5
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G431KBT6
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →STM32G431KBT3
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
STM32G441KBT6 最大額定值與電氣特性
| Product Type | 32-bit ARM Cortex-M4 Microcontroller |
| Manufacturer | STMicroelectronics |
| Core | Arm Cortex-M4 |
| Maximum CPU Frequency | 170 MHz |
| Compute Performance | 213 DMIPS |
| Flash Memory | 128 KB |
| SRAM | 32 KB |
| Instruction Set | 32-bit RISC |
| FPU | Present |
| Math Accelerator | Present |
| 供應電壓 | 3.3 V |
| 封裝 | 32-LQFP (7 x 7 mm) |
| 安裝類型 | Surface Mount |
| Analog Integration | Medium analog level |
STM32G441KBT6 32-lqfp (7 x 7 mm) 腳位配置指南
STM32G441KBT6（32-lqfp (7 x 7 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： STM32G441KBT6.
請參閱 資料表 以查看完整腳位配置。
典型應用
STM32G441KBT6 適用於 6 應用s: Industrial Motor Control, Connected IoT Sensor Node, Digital Energy Metering, Automated Test and Measurement, Embedded Automation Controller, Low-Power Board Control.
Industrial Motor Control
The STM32G441KBT6 fits compact motor-control systems that require deterministic execution and mixed analog capability without a separate high-performance processor. Its 170 MHz Arm Cortex-M4 core provides 213 DMIPS, while the FPU and hardware math accelerator reduce the execution burden of current-loop and transform calculations. The 32 KB of SRAM supports control state, while 128 KB of Flash accommodates firmware and calibration data. In a motor controller, the device can coordinate timers, ADCs, PWM outputs, fault inputs, and communications within one 7 x 7 mm LQFP package. The primary design consideration is assigning every required peripheral to the correct pins and confirming that the selected STM32G441 variant contains the exact timer and analog resources needed by the control architecture.
推薦
Connected IoT Sensor Node
The STM32G441KBT6 is suitable for IoT sensor nodes that combine local signal processing with a network interface. Its 170 MHz Cortex-M4 core and 213 DMIPS performance allow filtering, protocol handling, and application logic to run on the same MCU, while the 128 KB of Flash and 32 KB of SRAM accommodate a constrained embedded workload. Medium analog integration supports designs where sensor conditioning and digital processing must coexist. A compact 32-LQFP 7 x 7 mm package also leaves usable board area for a radio, sensor, and power-management section. Engineers should verify the required serial interfaces, timer channels, low-power modes, and package pin multiplexing, since the exact peripheral allocations determine whether a single STM32G441 can replace separate controller and communications components.
推薦
Digital Energy Metering
The STM32G441KBT6 can form the processing core of a compact energy-metering design that measures analog quantities and performs calibration, compensation, and data handling. Its 170 MHz Arm Cortex-M4 core offers ample instruction throughput for synchronized sampling and numerical processing, while the FPU and math accelerator improve calculations involving scaling, filtering, and power-related transforms. The 128 KB of Flash provides room for application firmware, and 32 KB of SRAM can support buffers and working state. The MCU is placed beside the metering analog front end, with the ADC, timers, and communication interface performing measurements and reporting results. Accurate design depends on following the reference-voltage, grounding, and analog-layout guidance in the manufacturer documentation and preserving timing margins for the selected sampling architecture.
推薦
Automated Test and Measurement
The STM32G441KBT6 is appropriate for automated test equipment where a compact controller must sequence measurements, evaluate results, and communicate with a host. Its 170 MHz Cortex-M4 performance supports responsive firmware execution, and the 213 DMIPS capability provides headroom for signal calculations beyond simple test sequencing. The FPU assists with precision arithmetic, while the hardware math accelerator accelerates suitable vector and control operations. With 128 KB of Flash and 32 KB of SRAM, the device can host protocol handling, test sequences, and intermediate results in a single device. The 32-LQFP package is useful where long leads improve board inspection and manual rework. Before committing the layout, verify the required measurement inputs, trigger timers, communication ports, and pin multiplexing against the exact STM32G441KB documentation.
推薦
Embedded Automation Controller
The STM32G441KBT6 fits embedded automation modules that coordinate sensors, outputs, and communications in a compact enclosure. The 170 MHz Arm Cortex-M4 core provides enough performance for state machines, protocol stacks, diagnostics, and local control tasks, while the 128 KB of Flash and 32 KB of SRAM support a moderate application footprint. Medium analog integration can reduce the number of discrete components in mixed-signal equipment. In an automation controller, the MCU can process inputs, drive outputs, operate timers, and maintain communication with a higher-level controller. The 7 x 7 mm LQFP package provides a practical balance between compactness and assembly accessibility. Design review should focus on pin multiplexing, watchdog use, brownout behavior, clock configuration, and firmware support for the exact peripheral combination required in production.
推薦
Low-Power Board Control
The STM32G441KBT6 can serve as the active controller in a low-power embedded board where local processing must coexist with communication and limited energy budgets. Its Cortex-M4F architecture provides a 170 MHz operating point for responsive foreground tasks, while selectable low-power behavior can be used when the system is waiting for external events. The 128 KB of Flash and 32 KB of SRAM are sufficient for compact control firmware and data buffering without requiring external memory in many designs. Application-specific decisions must be based on the manufacturer current-consumption table for the selected clock, peripheral, and voltage conditions. A robust implementation should disable unused peripherals, configure unused pins correctly, preserve a clean shutdown path, and verify wake sources so that the low-power specification remains relevant to the final board rather than only to the MCU datasheet.
推薦
推薦產品摘要
工程參考資料，適用於 STM32G441KBT6 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | STM32G441KBT3 | STM32G441KBT6U | STM32G441KBT5 | STM32G431KBT6 | STM32G431KBT3 |
|---|---|---|---|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) | 32-LQFP (7 x 7 mm) |
| CPU Core | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum Frequency | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
主要差異化特點
- Higher-integration STM32G441 family option (對比STM32G431KBT6)
- Direct same-family ordering-code alternative (對比STM32G441KBT3)
- Compact leaded package for compact assemblies (對比STM32G431KBT3)
設計說明
Place all decoupling capacitors adjacent to the corresponding VDD and VSS pins, with each return path using the shortest available ground-plane connection. Follow the STM32G441KB package and layout guidance for capacitor values and placement. Preserve a continuous ground reference beneath the device, avoid routing high-current outputs through analog input regions, and keep clock and sensitive analog nets away from switching nodes. These practices are especially important because the LQFP footprint provides short leads but does not compensate for an unsuitable reference-plane layout.
Review the pin-description table before assigning every signal because STM32G4 microcontroller pins can support multiple alternate functions. Confirm the exact peripheral instance assigned by firmware because moving a timer channel, communication signal, or ADC input between pins may require changes to initialization code and interrupt mappings. Reserve a debug or programming interface before committing the board, and keep boot-related pins accessible for recovery during prototype bring-up. A complete pin table is required to avoid conflicts hidden by the common STM32 family naming.
Do not substitute an STM32G4 MPN solely because its package and core frequency match. The STM32G431 alternatives may use different peripheral instances, pin mappings, interrupt assignments, or device-specific feature sets. Compare the STM32G441KB documentation for each used peripheral, validate clock-tree settings, and rebuild the firmware image for the substituted device. Also verify temperature grade, qualification, marking, and ordering-code meaning before approving a production replacement.
Size the 3.3 V supply for the worst applicable processor, peripheral, I/O, and temperature condition rather than a typical operating point. Follow the manufacturer's recommended voltage and capacitor configuration, and account for startup and I/O current when specifying the regulator and bulk capacitance. If the board includes analog or communications circuitry, control sequencing and rail noise can influence measurement and communication performance even when the MCU itself operates correctly.
合規資訊
Compliance status must be confirmed from current STMicroelectronics documentation for the exact ordering code. The available product information does not explicitly establish RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status.