STM32G474VBT3 - 170MHz Cortex-M4F 128KB Flash | STMicroelectronics
料号： STM32G474VBT3 ✓ 量产中STM32G474VBT3 概述
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, peripherals, and communication interfaces into one device. The STM32G4 series belongs to the Arm Cortex-M4F class of embedded processors, combining an ARM Cortex-M4 core with floating-point capability and a broad peripheral set for control-oriented applications. The STM32G474VBT3 is positioned for industrial, instrumentation, motor-control, power-conversion, and connected embedded systems.
Key characteristics visible in the manufacturer and distributor information include a 170 MHz maximum operating frequency, 128 KB Flash, 32-bit processing, math accelerator support, and an HR Timer. The STM32G474VBT3 is also identified as an STM32G4 device with 12-bit ADC and DAC capabilities in distributor and manufacturer-family descriptions. Its 1.8 V, 2.5 V, and 3.3 V operating-voltage options identify it as a low-voltage embedded controller suitable for industrial and consumer electronic systems.
The STM32G4 family is designed for applications that benefit from fast control-loop execution, advanced timers, analog measurement, and efficient peripheral integration. The STM32G474VBT3 can be used in motor drives, digital power supplies, industrial automation equipment, communications modules, and sensor-control platforms. The 100-pin LQFP package provides a large pin count for analog and digital peripheral assignments while remaining compatible with conventional leaded PCB assembly processes.
Design work should begin with the STM32G474VBT3 manufacturer datasheet, particularly its pin-description table, memory map, electrical characteristics, clock tree, and peripheral reference. Confirm every power pin, analog ground connection, decoupling requirement, and exposed thermal consideration against the package drawing before schematic capture. Use the manufacturer application notes and device-specific reference configurations when validating timer settings, ADC triggering, DAC output behavior, and firmware startup sequences.
This page combines manufacturer-family information, distributor parameter data, package identification, practical design guidance, and drop-in candidate analysis. It is intended to accelerate component selection while keeping the engineer focused on firmware compatibility, pin-level verification, thermal performance, and long-term product availability.
直接替换替代料： STM32G474VBT3 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： STM32G474VBT3 （相同外形与封装尺寸） ——差异在于 High-Resolution Timer, Flash Memory, Package, ADC Resolution, Communication Interfaces.
STM32G474VET3
✅ 直接替换联系询价
查看数据手册 →STM32G474VET6
✅ 直接替换联系询价
查看数据手册 →STM32G474VBT3 最大额定值与电气特性
| Product Type | 32-bit ARM Cortex-M4F microcontroller |
| Maximum CPU Frequency | 170 MHz |
| CPU Core | Arm Cortex-M4F |
| Architecture | 32-bit RISC |
| Flash Memory | 128 KB |
| Program Memory Organization | 128K x 8 |
| Math Accelerator | Present |
| High-Resolution Timer | HR Timer |
| ADC Resolution | 12 bit |
| DAC Resolution | 12 bit |
| Operating Voltage Options | 1.8 V, 2.5 V, 3.3 V |
| 封装 | 100-pin LQFP |
| Package Dimensions | 14 x 14 mm |
| 安装类型 | Surface Mount |
STM32G474VBT3 14 x 14 mm 引脚配置指南
STM32G474VBT3（14 x 14 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： STM32G474VBT3.
请参阅 数据手册 以查看完整引脚配置。
典型应用
STM32G474VBT3 适用于 6 应用s: Industrial Motor Control, Digital Power Conversion, Precision Data Acquisition, Test and Measurement, Sensor and IoT Control Node, Communications Controller.
Industrial Motor Control
The STM32G474VBT3 fits industrial motor-control systems requiring fast control-loop execution and extensive timing resources. Its 170 MHz Arm Cortex-M4F processor can execute control algorithms while the HR Timer supports precise PWM and input-capture functions. The 12-bit ADC provides a measurement path for current, position, and voltage feedback, while the 12-bit DAC can assist with reference generation or test signals. Use the 100-pin LQFP to expose motor-control and analog functions, but confirm timer-channel assignments, complementary outputs, break inputs, and package-level pin multiplexing in the manufacturer datasheet before finalizing the PCB.
推荐
Digital Power Conversion
The STM32G474VBT3 is suitable for digital power converters that need deterministic control, high-resolution monitoring, and programmable waveform generation. Its 170 MHz Cortex-M4F core can execute compensation and control loops, while the math accelerator supports common power-conversion calculations. The 12-bit ADC and DAC features enable closed-loop feedback and reference generation in applications such as DC-DC controllers, inverter front ends, and regulated power modules. Designers should use the manufacturer timer, ADC, DAC, and clock documentation to verify trigger latency, timer resolution, analog input ranges, and output settling before fixing the control topology.
推荐
Precision Data Acquisition
The STM32G474VBT3 can serve as the central controller in precision measurement and data-acquisition equipment because it combines a 170 MHz Cortex-M4F core, 12-bit ADC capability, and a math accelerator in one package. The high-resolution timer helps synchronize sampling, trigger external events, and generate deterministic test stimuli, while the DAC supports excitation or reference waveforms. Analog signal conditioning remains critical because the ADC input range, source impedance, sampling time, reference voltage, and digital filtering must follow the manufacturer electrical guidance. The 100-pin package also provides ample connection options for analog inputs, communications, and external memory.
推荐
Test and Measurement
The STM32G474VBT3 fits programmable test and measurement equipment requiring rapid control, accurate timing, and mixed-signal resources. Its HR Timer can establish calibrated pulse timing, the 12-bit DAC can create output waveforms, and the 12-bit ADC can acquire returned signals for analysis. At 170 MHz, the Cortex-M4F core can execute measurement algorithms alongside USB or serial communications and front-panel handling. Validate trigger jitter, ADC acquisition timing, DAC output bandwidth, clock accuracy, and firmware interrupt latency in the final instrument architecture. The 100-pin LQFP provides sufficient I/O density for instrument control, status indicators, and external interface components.
推荐
Sensor and IoT Control Node
The STM32G474VBT3 is appropriate for connected sensor-control nodes that must acquire measurements, run local processing, and coordinate communications. Its 170 MHz Cortex-M4F core supports responsive edge processing, while the math accelerator accelerates filtering and transforms, and the 12-bit ADC supports analog sensor conditioning. The 100-pin LQFP exposes enough pins for sensors, communication transceivers, local storage, and status I/O in an industrial IoT controller. For deployment, check the device's communication peripheral availability, low-power behavior, radio-interface supply requirements, and exact pin multiplexing against the manufacturer documentation before schematic release.
推荐
Communications Controller
The STM32G474VBT3 can act as the host controller for industrial, instrumentation, and embedded communications products. Its 170 MHz Arm Cortex-M4F core provides ample throughput for protocol processing, while the HR Timer and 12-bit converters support synchronization, monitoring, and calibration functions. The 100-pin LQFP allows integration with transceivers, connectors, status logic, and local memory without an external bus controller. Interface selection should follow the STM32G474 family's available UART, USB, and other communication resources, with pin assignments verified in the manufacturer datasheet. Firmware must also account for protocol timing, DMA behavior, buffer management, and electrical-interface characteristics.
推荐
推荐产品汇总
工程参考数据： STM32G474VBT3 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | STM32G474VET3 | STM32G474VET6 |
|---|---|---|---|
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) | 100-LQFP (14x14) |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| CPU Core | Arm Cortex-M4F | Arm Cortex-M4 | Arm Cortex-M4 |
| Maximum CPU Frequency | 170 MHz | 170 MHz | 170 MHz |
| Flash Memory | 128 KB | 512 KB | 512 KB |
| ADC Resolution | 12 bit | 12 bit | 12 bit |
| DAC Resolution | 12 bit | 12 bit | 12 bit |
| High-Resolution Timer | Present | Present | Present |
| Math Accelerator | Present | Present | Present |
| Operating Voltage Options | 1.8 V, 2.5 V, 3.3 V | 1.8 V, 2.5 V, 3.3 V | 1.8 V, 2.5 V, 3.3 V |
关键差异点
- Uses a 128 KB Flash configuration rather than the larger E-series configuration （对比 STM32G474VET3)
- Matches the E-series candidates' 170 MHz control performance （对比 STM32G474VET6)
- Retains the same 100-pin LQFP package family （对比 STM32G474VET3)
设计说明
Assign the 100-pin LQFP only after reviewing the manufacturer pin-description table and alternate-function map. Confirm every VDD, VSS, VDDA, VREF, reset, clock, debug, timer, ADC, DAC, and communication signal against the final firmware configuration. Place required decoupling capacitors at their associated pins using the layout guidance in the manufacturer datasheet, and keep sensitive analog inputs away from high-current switching nodes. Because an exposed thermal and electrical design must be validated at device level, verify the package drawing and land pattern rather than relying on a generic LQFP footprint.
Use the manufacturer power-supply sequencing and voltage rules for the STM32G474VBT3 rather than treating all supply pins as interchangeable. The device is identified for 1.8 V, 2.5 V, and 3.3 V operating options, but each rail has specific limits, tolerances, and startup relationships. Check the internal-regulator configuration, external analog-supply requirements, voltage-regulator enable sequence, and power-supply ramp limits in the datasheet. Estimate startup current and transient demand from the selected clock configuration and peripherals, then confirm that the supply can support the resulting load without violating the device's operating conditions.
For motor-control, power-conversion, or precision analog designs, separate analog and digital return paths while maintaining the grounding architecture specified by the manufacturer. Route ADC inputs away from PWM edges, high-current inductors, relay contacts, and switching-node copper. If the HR Timer drives external switching devices, treat its outputs as potentially fast edges even at a low switching frequency. Use the application-note grounding and layout patterns as the starting point, then verify timing margin, thermal performance, crosstalk, and radiated emissions on the final board.
合规信息
Compliance attributes require confirmation from the manufacturer product page, material declaration, or quality-document record for the exact ordering code.
