STM32G491KEU6 - 170MHz 512KB Flash Cortex-M4 MCU | STMicroelectronics
部品番号: STM32G491KEU6 ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $8.1153 | $8.12 |
| 10 | $8.1153 | $81.15 |
| 100 | $8.1153 | $811.53 |
| 500 | $8.1153 | $4,057.65 |
| 1,000 | $8.1153 | $8,115.30 |
STM32G491KEU6 概要
A microcontroller is a programmable semiconductor device that integrates a processor core, memory, and peripherals on one package. In the hierarchy of electronic components, the STM32G491KEU6 is an embedded microcontroller within the MCU and embedded-processing category. Its Cortex-M4F architecture supports efficient control-oriented software, while the STM32G4 feature set targets power conversion, industrial automation, sensing, communications, and connected equipment.
Verified distributor data identifies a 170 MHz operating frequency, 512 KB of Flash organized as 512K x 8, a 32-bit Arm Cortex-M4F core, and a 32-UFQFPN 5x5 mm package. The high clock rate supports responsive control loops and communication handling. Its compact package also reduces board area compared with larger leaded or high-pin-count microcontroller packages, although careful PCB layout and exposed-pad thermal management remain essential.
The STM32G491xC/xE device family is based on the high-performance 32-bit Arm Cortex-M4 RISC core, as stated by the manufacturer. The family's combination of processing performance, mixed-signal peripherals, and control-oriented interfaces makes it suitable for motor control, industrial conversion, digital power, metering, and connected embedded products. Firmware should confirm each peripheral, electrical limit, and pin multiplexing option against the manufacturer documentation before design release.
Typical uses include servo and motor controllers, digital power converters, industrial sensor nodes, building and energy equipment, communication gateways, and compact consumer or medical-control products. In motor-control systems, the 170 MHz CPU can execute control algorithms while dedicated timers and analog resources support sensing and feedback. In power conversion, its high-performance control capabilities help manage feedback loops, while the small package suits space-constrained assemblies.
Designers should verify the exact pin multiplexing, operating-voltage limits, peripheral availability, startup behavior, and thermal requirements in the STM32G491KE datasheet and reference manual. The 5x5 mm UFQFPN footprint also requires a compatible land pattern, adequate solder-mask and paste control, and sufficient thermal-via density beneath the exposed thermal pad.
This page combines verified manufacturer and distributor information, procurement data, application guidance, and drop-in replacement analysis. It is intended to help engineers identify the correct STM32G491 variant, plan the PCB layout, compare alternatives, and move from datasheet review to a production-ready embedded design.
ドロップイン代替品: STM32G491KEU6 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
クイック比較ツール — 並列比較する代替部品を選択:
STM32G491KET6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32G491KEU6TR
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32G491REU6
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
STM32G491KEU6 最大定格＆電気的特性
| Product Type | 32-bit ARM Cortex-M4F Microcontroller |
| 最大クロック周波数 | 170 MHz |
| Core Architecture | Arm Cortex-M4 32-bit RISC with FPU |
| Flash Memory | 512 KB (512K x 8) |
| パッケージ | 32-UFQFPN (5x5 mm) |
| ピン数 | 32 pins |
| Product Family | STM32G4 |
| Core | Arm Cortex-M4 |
| Program Memory Type | Flash |
| 実装タイプ | Surface Mount |
STM32G491KEU6 32-ufqfpn (5x5 mm) ピン配置ガイド
STM32G491KEU6 (32-ufqfpn (5x5 mm) パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: STM32G491KEU6.
詳細は データシート をご参照ください。
主な用途
STM32G491KEU6 の用途: 6 件s: Industrial Motor Control, Digital Power Conversion, Industrial Sensor and Metering Node, Building and Energy Automation, Communication Gateway, Low-Power Edge Controller.
Industrial Motor Control
The STM32G491KEU6 fits compact motor-control controllers because its 170 MHz Arm Cortex-M4F core can execute digital commutation, current-control, and fault-handling algorithms without relying on a higher-cost processor. The STM32G4 family is specifically associated with advanced motor-control applications, while 512 KB of Flash provides room for control code and parameter data. In a three-phase inverter, the MCU can supervise PWM outputs, process position or current feedback, and coordinate protection logic. Its 32-UFQFPN 5x5 mm package helps reduce controller size. Final selection still requires verification of timer channels, ADC triggers, op-amp availability, encoder interfaces, and exact pin assignments in the manufacturer documentation.
おすすめ
Digital Power Conversion
The STM32G491KEU6 is suitable for digital power converters that benefit from its verified 170 MHz processing speed and STM32G4 control orientation. A power-supply controller can run compensation algorithms, monitor analog feedback, update PWM commands, and implement fast protection sequencing within one compact device. The 512 KB Flash capacity supports a control application plus configuration and diagnostics, while the 32-UFQFPN 5x5 mm package reduces footprint compared with larger MCU packages. Designers should confirm the exact ADC resolution, comparator resources, DAC availability, timer channels, and timing requirements. PCB implementation must also isolate switching nodes from analog inputs and provide thermal management beneath the exposed pad.
おすすめ
Industrial Sensor and Metering Node
The STM32G491KEU6 can serve as the processing core in an industrial metering or connected sensor node where local filtering, control, and communication handling must fit a small board. Its 170 MHz Cortex-M4F core provides computational headroom for sensor fusion and protocol servicing, while 512 KB of Flash supports embedded firmware and calibration data. The compact 32-UFQFPN package is advantageous in remote transmitters and panel-mounted instruments. A practical design should pair the MCU with an appropriate precision reference, analog front end, communication transceiver, and protection network. Verify ADC characteristics, available timers, communication peripherals, supply range, and operating-temperature limits before using the part in safety- or metrology-critical equipment.
おすすめ
Building and Energy Automation
The STM32G491KEU6 is well suited to compact HVAC, lighting, access-control, and energy-management modules because it combines a 170 MHz Cortex-M4F core with 512 KB of Flash in a space-efficient 32-UFQFPN package. It can manage actuator outputs, read environmental sensors, enforce timing sequences, and support field-bus or serial communications. The processing margin allows the MCU to combine protocol handling with local control rather than relying on a separate controller. For reliable deployment, engineers should verify the exact supply limits, communication peripherals, watchdog behavior, and operating-temperature grade. The PCB should provide clean analog references, effective surge protection, and adequate copper and thermal-via coverage under the exposed pad.
おすすめ
Communication Gateway
The STM32G491KEU6 can act as a compact protocol-conversion or communications gateway when a design needs deterministic embedded control alongside serial or network-facing tasks. Its 170 MHz Arm Cortex-M4F core can handle protocol stacks, buffering, configuration, and supervisory logic, while 512 KB of Flash accommodates application firmware. The small 32-UFQFPN package is particularly useful in DIN-rail modules, industrial controllers, and distributed edge equipment. Selection should be based on the exact UART, USB, CAN, or Ethernet-support hardware present in the chosen STM32G491 variant, rather than assuming every peripheral is present. Layout should separate communication interfaces from analog and power-conversion sections, and each interface should include the protection required for its external cable environment.
おすすめ
Low-Power Edge Controller
The STM32G491KEU6 is appropriate for compact edge controllers that must combine control responsiveness with flexible low-power behavior. Its 170 MHz Cortex-M4F class supports efficient event-driven firmware, while 512 KB of Flash provides more application headroom than many small general-purpose MCUs. In an IoT sensing node, the device can filter data, schedule samples, manage a local actuator, and maintain communications without a separate host processor. The 32-UFQFPN 5x5 mm package preserves board space, although exposed-pad construction and thermal management must be considered. Before finalizing the design, verify stop-mode behavior, peripheral clock availability, wakeup sources, analog accuracy, and supply-current figures directly from the manufacturer documentation.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: STM32G491KEU6 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | STM32G491KET6 | STM32G491KEU6TR | STM32G491REU6 |
|---|---|---|---|---|
| Package | 32-UFQFPN (5x5 mm) | 32-UFQFPN (5x5 mm) - same | 32-UFQFPN (5x5 mm) - same | 32-UFQFPN (5x5 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Core | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F |
| Maximum Clock Frequency | 170 MHz | 170 MHz | 170 MHz | 170 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 768 KB |
| Temperature-Grade Suffix | U6 | T6 | U6TR | U6 |
主な差別化要因
- Higher verified maximum clock than the functionally compared STM32G0B1KEU3N （vs STM32G0B1KEU3N)
- 512 KB of Flash supports a larger embedded application （vs STM32G491REU6)
- Compact 32-pin surface-mount footprint （vs STM32G0B1KEU3N)
設計ノート
Treat the exposed pad as a mandatory thermal and electrical land. Place a thermal-via array beneath it according to the manufacturer's package drawing, retain adequate top and bottom copper, and avoid cutting thermal pathways beneath the QFN. Because the supplied data lacks junction-temperature and thermal-resistance values, calculate dissipation from the selected clock, active peripherals, I/O loading, and ambient temperature. Validate the estimate against the official STM32G491KE datasheet before deciding whether copper enlargement is sufficient.
Use the manufacturer's 32-UFQFPN 5x5 mm land pattern rather than a generic QFN footprint. Check pin numbering, exposed-pad dimensions, solder-mask definition, paste aperture, and stencil thickness against the package drawing and assembly process. Place input bypass capacitors directly at the corresponding supply pins and provide the specified startup and decoupling components. The supplied source confirms the package but does not provide a pin table, so do not infer exposed-pad connectivity from the ordering code.
Separate analog sensing, digital control, and communication paths in the board stack-up and floorplan. Route sensitive feedback away from PWM switching nodes, high-current inductors, and clock edges; keep analog ground and digital return paths disciplined according to the reference design. The 170 MHz Cortex-M4F core requires short, properly referenced routes, while the STM32G4 analog resources demand low-noise supply and reference arrangements. Review edge rates and return paths with the actual external driver and enclosure conditions.
Do not treat an STM32G0-family part as a drop-in substitute merely because both devices are from STMicroelectronics. Confirm every package pin, power rail, peripheral instance, interrupt mapping, clock requirement, and boot configuration before substitution. Also verify that the alternate order code has the same temperature grade, Flash size, and shipping format. The supplied cross-reference data identifies only STM32G0B1KEU3N as a functional comparison, not as a verified pin-compatible replacement.
コンプライアンス情報
The supplied verified snippets do not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from the current manufacturer product documentation and supply-chain declarations.
