STM32G474QET3 - 170MHz Cortex-M4F MCU | STMicroelectronics
MPN: STM32G474QET3 ✓ نشطSTM32G474QET3 نظرة عامة
A microcontroller is a semiconductor that integrates a processor core, program memory, data memory, peripherals, and communication interfaces into one package. Within the embedded hierarchy, the STM32G474QET3 is a general-purpose MCU based on the Arm Cortex-M4F core. The F designation identifies the floating-point instruction capability, while the STM32G4 family is positioned for demanding control, monitoring, and real-time signal-processing applications.
The verified core characteristics are a 32-bit Arm Cortex-M4F architecture, operation up to 170 MHz, and 512 KB of Flash organized as 512 K x 8. The specified 128-LQFP package provides 128 physical leads on a 14 mm x 14 mm surface-mount footprint. The Hotenda product listing also identifies a 3 V device class, making the part suitable for conventional 3 V embedded systems when confirmed against the complete manufacturer datasheet.
The combination of a 170 MHz Cortex-M4F core and 512 KB Flash allows firmware to combine control logic with computationally intensive routines without immediately using external program memory. The large pin count can also provide more externally accessible device connections than lower-pin-count variants in the STM32G4 family. Exact peripheral assignments, GPIO alternate functions, memory-map details, electrical limits, and temperature limits must be checked against the STM32G474xB/xC/xE documentation before layout release.
Typical implementation areas include industrial monitoring and automation, digital power conversion, motor-control platforms, communication equipment, and embedded test systems. In these applications, the 170 MHz processing rate supports responsive real-time tasks, while 512 KB Flash provides room for application code, configuration data, and embedded protocol implementations. The 128-LQFP package is useful where a design requires numerous accessible I/O functions rather than the smallest possible footprint.
PCB planning should use the manufacturer land pattern and verify every 128-pin signal, power, ground, and termination connection. Decoupling should follow the datasheet guidance, and signal-routing decisions should preserve the required analog and digital partitioning. Because the verified data does not include the complete pin table, electrical limits, or peripheral mapping, engineers should not infer missing values from the distributor summaries.
This product record combines verified distributor specifications, current sourcing information, family-level replacement analysis, and engineering guidance that is not presented as a substitute for the complete STMicroelectronics reference manual, errata, and datasheet. It is intended to accelerate initial component selection while preserving clear boundaries around unverified technical details.
بدائل مباشرة لـ STM32G474QET3 — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع STM32G474QET3 (نفس عامل الشكل والبصمة) — يختلف في Package, Supply Voltage.
STM32G474QET6
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←STM32G474QBT3
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G474QCT3
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G474QGT3
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G474QDT3
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
STM32G474QET3 الحدود القصوى والخصائص الكهربائية
| Product Type | 32-bit Microcontroller |
| Processor Core | Arm Cortex-M4F |
| Architecture | ARM 32-bit RISC |
| Word Size | 32 bit |
| أقصى تردد للساعة | 170 MHz |
| Flash Memory | 512 KB |
| Flash Organization | 512 K x 8 |
| جهد التغذية | 3 V |
| العلبة | 128-LQFP |
| Package Dimensions | 14 mm x 14 mm |
| عدد الدبابيس | 128 pins |
| نوع التركيب | Surface Mount |
| Product Series | STM32G4 Series |
| Core Architecture | Arm Cortex-M4 32-bit RISC |
| Floating-Point Support | Cortex-M4F |
| Product Status | Active |
دليل تكوين أطراف STM32G474QET3 14 mm x 14 mm
تكوين الأطراف لـ STM32G474QET3 (حزمة 14 mm x 14 mm). تتضمن هذه الدائرة المتكاملة الرقمية GPIO وواجهات الاتصال (UART وSPI وI2C) وأطراف الطاقة. راجع ورقة بيانات الشركة المصنعة لوظائف الأطراف البديلة وخيارات التكوين. ضرورية لتصميم الأنظمة المدمجة وتخطيط PCB.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ STM32G474QET3.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
STM32G474QET3 مناسب لـ 6 التطبيقs: Industrial Monitoring and Automation, Digital Power Conversion, Motor-Control Platforms, Communication Gateways, Portable Measurement Instruments, Embedded Test and Measurement.
Industrial Monitoring and Automation
The STM32G474QET3 fits industrial monitoring equipment that must combine real-time sampling with a substantial embedded control program. Its 170 MHz Arm Cortex-M4F core provides processing margin for sensor conditioning, filtering, state-machine execution, and communications, while 512 KB of Flash supports application firmware, calibration tables, and protocol data. The 128-LQFP package exposes a comparatively generous number of connections for external sensors, digital interfaces, and status or actuator signals. Before schematic capture, verify the exact GPIO alternate functions and peripheral assignment for the selected Q suffix.
موصى به
Digital Power Conversion
The STM32G474QET3 is suitable for digital power-conversion control where fast computation, deterministic peripheral operation, and embedded firmware storage are important. The 170 MHz Cortex-M4F core can execute control loops and supervisory logic, while the 512 KB Flash budget accommodates compensation parameters, fault handling, communications, and update-oriented routines. Its 128-pin LQFP package provides a broad connection count for power-stage sensing, gate-driver control, and protection signals. The verified data does not specify PWM, ADC, or comparator ratings, so the complete electrical and timer documentation must be checked before assigning a power-conversion role.
موصى به
Motor-Control Platforms
The STM32G474QET3 can serve as the central controller in a motor-control platform that combines real-time execution with a broad package interface. Its 170 MHz Arm Cortex-M4F core is appropriate for motion algorithms, current and speed-loop processing, and supervisory logic, and its 512 KB Flash provides space for control parameters and diagnostic code. The 128-LQFP package offers many potential connections for encoders, position sensors, phase signals, and protection feedback. Because timer-channel mapping and motor-control peripherals are absent from the supplied excerpts, pin-level suitability must be established using the official STM32G474 documentation.
موصى به
Communication Gateways
The STM32G474QET3 is appropriate for a gateway that must translate between embedded protocols and a host interface. Its 170 MHz Cortex-M4F core handles packet processing and concurrent control tasks, while 512 KB of Flash can retain protocol stacks, configuration, and application firmware. The 128-lead LQFP package provides a high pin count for serial links, Ethernet PHY control, status indicators, and expansion interfaces. Exact UART, USB, and other communication-instance assignments are not present in the verified data and therefore require verification before schematic allocation.
موصى به
Portable Measurement Instruments
The STM32G474QET3 can support a portable measurement instrument that combines responsive signal processing with extensive firmware. The 170 MHz Cortex-M4F core supports digital filtering, calibration routines, and user-interface logic, while the 512 KB Flash capacity accommodates measurement algorithms, menus, and stored configuration data. Its 128-LQFP package gives an instrument designer access to a larger I/O pool than a low-pin MCU, including display control, buttons, sensors, and communication links. Battery-aware designs should verify sleep currents, analog performance, and power sequencing because those values are not included in the supplied source excerpts.
موصى به
Embedded Test and Measurement
The STM32G474QET3 fits embedded test equipment requiring a fast processor, programmable Flash, and numerous external connections. Its 170 MHz Cortex-M4F core can execute acquisition control, sequencing, analysis, and communications, while 512 KB Flash supports firmware images and embedded configurations. The 128-LQFP package provides a practical route to external converters, communication transceivers, and front-panel controls. Since the supplied information does not include the ADC specification, comparator performance, capture features, or DAC resources, each acquisition-channel assignment must be checked against the official product documentation.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ STM32G474QET3 — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | STM32G474QET6 | STM32G474QBT3 | STM32G474QCT3 | STM32G474QGT3 | STM32G474QDT3 |
|---|---|---|---|---|---|---|
| Package | 128-LQFP (14x14) | 128-LQFP (14x14) | 128-LQFP (14x14) | 128-LQFP (14x14) | 128-LQFP (14x14) | 128-LQFP (14x14) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Processor Core | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F | Arm Cortex-M4F |
| Maximum Clock Frequency | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz | 170 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| Architecture | 32-bit ARM RISC | 32-bit ARM RISC | 32-bit ARM RISC | 32-bit ARM RISC | 32-bit ARM RISC | 32-bit ARM RISC |
| Supply Voltage Class | 3 V | 3 V family | 3 V family | 3 V family | 3 V family | 3 V family |
| Variant Suffix | QET3 | QET6 | QBT3 | QCT3 | QGT3 | QDT3 |
أبرز الفروقات
- High-frequency processing with integrated floating-point architecture (مقابلSTM32G474QBT3)
- Substantial integrated program memory (مقابلSTM32G474QCT3)
- Same 128-lead footprint for controlled board reuse (مقابلSTM32G474QET6)
ملاحظات التصميم
Use the official 128-LQFP land pattern rather than deriving it from the 14 mm x 14 mm body dimension alone. The supplied excerpts confirm the package family but do not provide the official drawing, pin table, exposed-pad treatment, or recommended land geometry. Confirm lead pitch, solder-mask clearance, paste stencil, and courtyard against the current STMicroelectronics package documentation before PCB release.
The verified 3 V device class supports a conventional 3 V power architecture, but the minimum and maximum supply limits are not present in the supplied data. Design the regulator with the complete datasheet voltage range, startup ramp requirements, and current limits included. Place the required bypass capacitors directly at the relevant supply pins and preserve separate return paths to minimize supply noise reaching the Cortex-M4F core.
Because the STM32G474QET3 exposes 128 pins in a 14 mm x 14 mm package, pin escape and via-in-pad feasibility should be assessed early. Use a fanout strategy that accommodates assembly inspection and rework, keep sensitive analog or communication routes away from switching nodes and high-current paths, and verify all alternate-function assignments against the exact QET3 ordering code before fixing the schematic.
Do not treat another STM32G474Q suffix as automatically interchangeable solely because it uses a 128-pin package. The B, C, D, E, and G device letters can select different peripheral populations or configurations, and the T3 versus T6 suffix changes grade information. Compare the ordering table, pinout, memory configuration, temperature range, and qualification requirements before approving a substitution.
معلومات الامتثال
The supplied verified excerpts do not provide authoritative compliance declarations for this exact ordering code. Compliance must be confirmed from the current STMicroelectronics product documentation or material-declaration records. The product is listed as active by the verified comparison result, but that status does not establish AEC-Q100 qualification.
