STM32L4Q5VGT6 - Ultra-Low-Power ARM Cortex-M4 MCU | STMicroelectronics
料号： STM32L4Q5VGT6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $13.96 | $13.96 |
| 10 | $13.5 | $135.00 |
| 100 | $12.5 | $1,250.00 |
| 500 | $11.5 | $5,750.00 |
| 1,000 | $10.5 | $10,500.00 |
STM32L4Q5VGT6 概述
An ARM Cortex-M4 microcontroller is a 32-bit processor core designed for embedded systems, offering a balance of performance and power efficiency. It includes a floating-point unit (FPU) for efficient mathematical computations and DSP instructions for signal processing. The STM32L4 series is known for its ultra-low-power modes, including sleep, stop, and standby, which are critical for extending battery life in portable devices.
Key features of the STM32L4Q5VGT6 include 1 MB of flash memory and 320 KB of SRAM, providing ample storage for complex applications. It operates from 1.71V to 3.6V, with a wide temperature range of -40°C to +85°C. The device integrates a rich set of peripherals, including multiple USART, SPI, I2C, USB OTG FS, CAN, and advanced analog features such as a 16-bit ADC and a 12-bit DAC. It also includes a true random number generator (TRNG) and a cryptographic acceleration unit for secure applications.
The STM32L4Q5VGT6 is built on a 40nm process technology, enabling low dynamic power consumption. It features a flexible power management system with multiple power domains, allowing designers to optimize power usage. The device supports various low-power modes, with typical current consumption as low as 100 nA in standby mode, making it suitable for always-on applications.
Typical applications include industrial sensors, smart meters, medical devices, wearable devices, and IoT nodes. Its combination of performance, low power, and rich peripherals makes it a versatile choice for a wide range of embedded systems.
When designing with this MCU, it is essential to consider the power supply decoupling and proper grounding to ensure stable operation. The device requires a 1.8V to 3.6V supply, and it is recommended to use a 100nF capacitor close to each power pin. Additionally, the internal LDO can be used to generate the core voltage, but external regulators may be needed for higher efficiency in battery-powered designs.
直接替换替代料： STM32L4Q5VGT6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
STM32L4R5VGT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L4Q5VGT6P
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L4S5VGT6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
GD32F450VGT6
⚡ 相同封装 ⚠️ 规格未核验📋 参考替代料（不在目录中）
STM32L4Q5VGT6 最大额定值与电气特性
| Core Processor | ARM Cortex-M4 with FPU |
| Core Size | 32-Bit Single-Core |
| Speed | 120 MHz |
| Program Memory Size | 1 MB (1M x 8) |
| Program Memory Type | FLASH |
| RAM Size | 320 KB |
| Connectivity | CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB OTG FS |
| Peripherals | Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT |
| Number of ADC/DAC | 16-bit ADC, 12-bit DAC |
| Operating Voltage | 1.71V to 3.6V |
| 工作温度 | -40°C to +85°C |
| 封装 | 100-LQFP (14x14) |
| 安装类型 | Surface Mount |
| Series | STM32L4 |
| RoHS 状态 | Compliant |
STM32L4Q5VGT6 引脚配置
| 引脚 1 | VBAT — Battery backup supply |
| 引脚 2 | PC13 — GPIO / RTC output |
| 引脚 3 | PC14 — GPIO / OSC32_IN |
| 引脚 4 | PC15 — GPIO / OSC32_OUT |
| 引脚 5 | PF0 — GPIO / OSC_IN |
| 引脚 6 | PF1 — GPIO / OSC_OUT |
| 引脚 7 | NRST — Reset (active low) |
| 引脚 8 | VDD — Digital power supply |
| 引脚 9 | VSS — Ground |
| 引脚 10 | VDDA — Analog power supply |
| 引脚 11 | VREF+ — ADC reference voltage |
| 引脚 12 | VREF- — ADC reference ground |
| 引脚 13 | PA0 — GPIO / ADC input |
| 引脚 14 | PA1 — GPIO / ADC input |
| 引脚 15 | PA2 — GPIO / USART2_TX |
| 引脚 16 | PA3 — GPIO / USART2_RX |
| 引脚 17 | PA4 — GPIO / DAC_OUT1 |
| 引脚 18 | PA5 — GPIO / DAC_OUT2 |
| 引脚 19 | PA6 — GPIO / SPI1_MISO |
| 引脚 20 | PA7 — GPIO / SPI1_MOSI |
典型应用
STM32L4Q5VGT6 适用于 6 应用s: Industrial Sensors, Smart Meters, Medical Devices, Wearable Devices, IoT Nodes, Smart Home.
Industrial Sensors
The STM32L4Q5VGT6 is ideal for industrial sensors due to its ultra-low-power modes and rich analog peripherals. Its 16-bit ADC provides high-resolution measurement of sensor signals, while the multiple communication interfaces (UART, SPI, I2C) enable seamless integration with industrial networks. The MCU's wide operating voltage range (1.71V-3.6V) allows direct battery operation, and its low standby current (100 nA) extends battery life in remote monitoring applications. The cryptographic acceleration unit ensures secure data transmission, making it suitable for smart factory environments.
推荐
Smart Meters
The STM32L4Q5VGT6 is well-suited for smart meters, offering a combination of low power consumption and high processing capability. Its 120 MHz Cortex-M4 core can handle complex metering algorithms, while the 1 MB flash provides ample storage for calibration data and firmware updates. The integrated 16-bit ADC enables accurate measurement of voltage and current, and the multiple UARTs allow communication with PLC modems or wireless modules. The MCU's low-power modes ensure minimal energy consumption, which is critical for battery-operated meters. Additionally, the TRNG and cryptographic acceleration enhance security for billing and data integrity.
推荐
Medical Devices
The STM32L4Q5VGT6 is suitable for medical devices such as portable health monitors and diagnostic equipment. Its ultra-low-power operation extends battery life in wearable devices, while the FPU and DSP instructions enable real-time signal processing for ECG or EEG signals. The 16-bit ADC provides high-resolution data acquisition, and the multiple communication interfaces allow data transfer to smartphones or cloud platforms. The device's security features, including TRNG and cryptographic acceleration, ensure patient data privacy. The wide operating temperature range (-40°C to +85°C) makes it reliable in various clinical environments.
推荐
Wearable Devices
The STM32L4Q5VGT6 is an excellent choice for wearable devices due to its ultra-low-power modes and small footprint. The 100-LQFP package is compact enough for smartwatches and fitness trackers, while the 320 KB SRAM supports complex user interfaces and sensor fusion algorithms. The MCU's low standby current (100 nA) allows always-on sensing without draining the battery. The integrated DAC and PWM outputs can drive haptic motors or LED indicators. The device's security features protect user data, and its wide voltage range accommodates various battery chemistries.
推荐
IoT Nodes
The STM32L4Q5VGT6 is ideal for IoT nodes that require low power consumption and secure connectivity. Its ultra-low-power modes enable battery-powered operation for years, while the cryptographic acceleration unit ensures secure communication with cloud services. The MCU supports multiple wireless protocols through external modules (e.g., LoRa, BLE, Wi-Fi) via UART or SPI. The 1 MB flash allows storing firmware updates and sensor data locally. The device's rich peripheral set, including multiple timers and ADCs, simplifies sensor interfacing. The wide operating voltage range (1.71V-3.6V) makes it compatible with energy harvesting solutions.
推荐
Smart Home
The STM32L4Q5VGT6 is well-suited for smart home applications such as smart thermostats, lighting control, and security systems. Its low power consumption allows battery operation for wireless sensors, while the high processing power handles complex automation algorithms. The MCU's multiple communication interfaces (UART, SPI, I2C, CAN) enable integration with various home automation protocols. The integrated ADC and DAC can interface with analog sensors and actuators. The device's security features protect against unauthorized access, and its wide temperature range ensures reliable operation in home environments.
推荐
推荐产品汇总
工程参考数据： STM32L4Q5VGT6 ——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 | STM32L4R5VGT6 | STM32L4Q5VGT6P | STM32L4S5VGT6 | GD32F450VGT6 |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14) | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same | 100-LQFP (14x14) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Core Speed | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 200 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 2 MB | 3 MB |
| SRAM | 320 KB | 640 KB | 320 KB | 640 KB | 256 KB |
| Operating Voltage | 1.71V - 3.6V | 1.71V - 3.6V | 1.71V - 3.6V | 1.71V - 3.6V | 2.6V - 3.6V |
| Security Features | TRNG, Crypto | TRNG, Crypto | TRNG, Crypto | TRNG, Crypto | No |
关键差异点
- Ultra-low-power standby current of 100 nA （对比 GD32F450VGT6)
- Integrated security features (TRNG, cryptographic acceleration) （对比 GD32F450VGT6)
- Wider operating voltage range (1.71V-3.6V) （对比 GD32F450VGT6)
设计说明
The STM32L4Q5VGT6 operates from 1.71V to 3.6V. Use a 100nF ceramic capacitor close to each power pin (VDD, VDDA) and a 1uF capacitor for bulk decoupling. For battery-powered designs, consider using the internal LDO to generate the core voltage, but for higher efficiency, use an external low-dropout regulator. Ensure the VBAT pin is connected to a backup battery or tied to VDD if not used.
For the 100-LQFP package, ensure proper grounding with a solid ground plane. Place decoupling capacitors as close as possible to the power pins to minimize inductance. For the crystal oscillator pins (OSC_IN/OSC_OUT), keep traces short and add load capacitors as specified in the datasheet. Use a ground guard ring around the analog power supply (VDDA) to reduce noise.
Do not exceed the absolute maximum ratings for voltage on any pin. Ensure the NRST pin is properly pulled up with a 10k resistor and a 100nF capacitor to ground for reliable reset. When using the ADC, connect VREF+ and VREF- to a stable reference voltage to ensure accurate conversions. Avoid floating unused I/O pins by configuring them as outputs or enabling internal pull-ups.
合规信息
RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified. Halogen-free status not specified in provided data.
