STM32L476VGT6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 1MB Flash | STMicroelectronics
N.º da peça: STM32L476VGT6 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $6.39 | $6,39 |
| 10 | $5.75 | $57,50 |
| 100 | $5.11 | $511,00 |
| 500 | $4.6 | $2.300,00 |
| 1.000 | $4.09 | $4.090,00 |
STM32L476VGT6 Visão geral
What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the brains of countless electronic devices, from automotive engine controllers to wearable health monitors. The STM32L476VGT6 belongs to the STM32L4 series, which is optimized for ultra-low-power operation without compromising performance, positioning it within the broader hierarchy of embedded processors and controllers.
Key features of the STM32L476VGT6 include its 80 MHz Arm Cortex-M4 core with FPU, 1 MB Flash, 128 KB SRAM, and a rich set of peripherals such as USB OTG FS, LCD controller, and digital filters for sigma-delta modulators (DFSDM). It supports a wide supply voltage range from 1.71V to 3.6V, enabling direct battery operation. The device also integrates advanced low-power modes, including Sleep, Low-power Run, and Stop modes, with typical current consumption in the microamp range, extending battery life in portable applications.
Technically, the STM32L476VGT6 leverages ST's proprietary ultra-low-power technology, featuring multiple power domains and dynamic voltage scaling. The FPU accelerates mathematical computations, beneficial for signal processing and control algorithms. The device includes a 12-bit ADC with hardware oversampling, multiple timers, and communication interfaces (I2C, SPI, USART, CAN, and USB). The LCD controller supports up to 8x40 segments, ideal for direct display driving without external components.
Typical applications include smart meters, medical devices (e.g., glucose monitors, hearing aids), industrial sensors, and IoT edge nodes. Its ultra-low-power consumption and rich analog peripherals make it ideal for battery-operated devices that require long operational life. The 100-pin LQFP package (14x14 mm) offers a compact footprint with ample I/O for complex designs.
When designing with this MCU, pay attention to the power supply decoupling: place a 100 nF capacitor close to each VDD pin and a 4.7 uF bulk capacitor on the main supply. Also, utilize the low-power modes effectively by configuring the RTC and wakeup sources to minimize average current consumption.
Alternativas drop-in para STM32L476VGT6 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com STM32L476VGT6 (mesmo formato e footprint) — diferindo em Flash Memory, ADC, Communication Interfaces, Core, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
STM32L476VGT6TR
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L476VGT6U
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L476VCT6
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
STM32L486VGT6
✅ Drop-In✓ Em estoque
$8.11 / unidade
Ver ficha técnica →GD32F450VGT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
APM32F407VGT6
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
STM32L476VGT6 Classificações máximas e características elétricas
| Core | ARM Cortex-M4 with FPU |
| Frequência máxima de clock | 80 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 128 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Encapsulamento | 100-LQFP (14x14 mm) |
| Tipo de montagem | Surface Mount |
| Number of I/O Pins | 82 |
| Largura do barramento de dados | 32-bit |
| Faixa de temperatura de operação | -40C to +85C |
| USB Interface | USB OTG FS |
| LCD Controller | Yes (8x40 segments) |
| DFSDM | Yes (digital filters for sigma-delta modulators) |
| Status RoHS | Compliant |
| Core Architecture | ARM |
Configuração de pinos do STM32L476VGT6
| Pino 1 | PE2 — GPIO / alternate functions |
| Pino 2 | PE3 — GPIO / alternate functions |
| Pino 3 | PE4 — GPIO / alternate functions |
| Pino 4 | PE5 — GPIO / alternate functions |
| Pino 5 | PE6 — GPIO / alternate functions |
| Pino 6 | VBAT — Battery backup supply |
| Pino 7 | PC13 — GPIO / RTC / tamper |
| Pino 8 | PC14 — GPIO / OSC32_IN |
| Pino 9 | PC15 — GPIO / OSC32_OUT |
| Pino 10 | PF0 — GPIO / OSC_IN |
| Pino 11 | PF1 — GPIO / OSC_OUT |
| Pino 12 | NRST — Reset (active low) |
| Pino 13 | PC0 — GPIO / ADC |
| Pino 14 | PC1 — GPIO / ADC |
| Pino 15 | PC2 — GPIO / ADC |
| Pino 16 | PC3 — GPIO / ADC |
| Pino 17 | VSSA — Analog ground |
| Pino 18 | VDDA — Analog power supply |
| Pino 19 | PA0 — GPIO / ADC / WKUP |
| Pino 20 | PA1 — GPIO / ADC |
| Pino 21 | PA2 — GPIO / USART2_TX |
| Pino 22 | PA3 — GPIO / USART2_RX |
| Pino 23 | VSS — Ground |
| Pino 24 | VDD — Power supply |
| Pino 25 | PA4 — GPIO / DAC |
| Pino 26 | PA5 — GPIO / DAC |
| Pino 27 | PA6 — GPIO / SPI1_MISO |
| Pino 28 | PA7 — GPIO / SPI1_MOSI |
| Pino 29 | PC4 — GPIO / I2S |
| Pino 30 | PC5 — GPIO / I2S |
| Pino 31 | PB0 — GPIO / ADC |
| Pino 32 | PB1 — GPIO / ADC |
| Pino 33 | PB2 — GPIO / BOOT1 |
| Pino 34 | PF2 — GPIO |
| Pino 35 | PF3 — GPIO |
| Pino 36 | PF4 — GPIO |
| Pino 37 | PF5 — GPIO |
| Pino 38 | PF6 — GPIO |
| Pino 39 | PF7 — GPIO |
| Pino 40 | PF8 — GPIO |
| Pino 41 | PF9 — GPIO |
| Pino 42 | PF10 — GPIO |
| Pino 43 | VSS — Ground |
| Pino 44 | VDD — Power supply |
| Pino 45 | PF11 — GPIO |
| Pino 46 | PF12 — GPIO |
| Pino 47 | PF13 — GPIO |
| Pino 48 | PF14 — GPIO |
| Pino 49 | PF15 — GPIO |
| Pino 50 | PG0 — GPIO |
| Pino 51 | PG1 — GPIO |
| Pino 52 | PE7 — GPIO |
| Pino 53 | PE8 — GPIO |
| Pino 54 | PE9 — GPIO |
| Pino 55 | PE10 — GPIO |
| Pino 56 | PE11 — GPIO |
| Pino 57 | PE12 — GPIO |
| Pino 58 | PE13 — GPIO |
| Pino 59 | PE14 — GPIO |
| Pino 60 | PE15 — GPIO |
| Pino 61 | PB10 — GPIO / I2C2_SCL |
| Pino 62 | PB11 — GPIO / I2C2_SDA |
| Pino 63 | VSS — Ground |
| Pino 64 | VDD — Power supply |
| Pino 65 | PB12 — GPIO / SPI2_NSS |
| Pino 66 | PB13 — GPIO / SPI2_SCK |
| Pino 67 | PB14 — GPIO / SPI2_MISO |
| Pino 68 | PB15 — GPIO / SPI2_MOSI |
| Pino 69 | PD8 — GPIO / USART3_TX |
| Pino 70 | PD9 — GPIO / USART3_RX |
| Pino 71 | PD10 — GPIO |
| Pino 72 | PD11 — GPIO |
| Pino 73 | PD12 — GPIO |
| Pino 74 | PD13 — GPIO |
| Pino 75 | PD14 — GPIO |
| Pino 76 | PD15 — GPIO |
| Pino 77 | PC6 — GPIO / I2S2_MCK |
| Pino 78 | PC7 — GPIO / I2S2_SCK |
| Pino 79 | PC8 — GPIO / I2S2_SD |
| Pino 80 | PC9 — GPIO / I2S2_WS |
| Pino 81 | PA8 — GPIO / USB_OTG_FS_SOF |
| Pino 82 | PA9 — GPIO / USB_OTG_FS_VBUS |
| Pino 83 | PA10 — GPIO / USB_OTG_FS_ID |
| Pino 84 | PA11 — GPIO / USB_OTG_FS_DM |
| Pino 85 | PA12 — GPIO / USB_OTG_FS_DP |
| Pino 86 | PA13 — GPIO / SWDIO |
| Pino 87 | VSS — Ground |
| Pino 88 | VDD — Power supply |
| Pino 89 | PA14 — GPIO / SWCLK |
| Pino 90 | PA15 — GPIO / JTDI |
| Pino 91 | PC10 — GPIO / USART4_TX |
| Pino 92 | PC11 — GPIO / USART4_RX |
| Pino 93 | PC12 — GPIO / USART5_TX |
| Pino 94 | PD0 — GPIO / OSC_IN |
| Pino 95 | PD1 — GPIO / OSC_OUT |
| Pino 96 | PD2 — GPIO / USART5_RX |
| Pino 97 | PD3 — GPIO |
| Pino 98 | PD4 — GPIO |
| Pino 99 | PD5 — GPIO |
| Pino 100 | PD6 — GPIO |
Aplicações típicas
STM32L476VGT6 é adequado para 6 aplicaçãos: Smart Meters, Wearable Health Monitors, Industrial Sensors, IoT Edge Nodes, Medical Devices, Portable Audio Devices.
Smart Meters
The STM32L476VGT6 is ideal for smart meters due to its ultra-low-power consumption and integrated LCD controller. It can drive a segment LCD directly, reducing BOM cost. The 80 MHz Cortex-M4 core handles complex metrology algorithms, while the 1 MB Flash stores extensive logging data. Its wide supply voltage range (1.71V to 3.6V) allows operation from a single battery for years. The device's multiple low-power modes enable the meter to sleep between measurements, extending battery life. Additionally, the integrated 12-bit ADC with hardware oversampling ensures accurate energy measurement. The USB OTG FS interface facilitates local data retrieval and firmware updates. The STM32L476VGT6's rich communication interfaces (UART, SPI, I2C) support various communication modules for remote reading. Its robust operating temperature range (-40C to +85C) ensures reliable operation in outdoor environments. The 100-pin LQFP package provides ample I/O for connecting to sensors and communication modules. Overall, the STM32L476VGT6 offers a perfect balance of performance, power efficiency, and peripheral integration for smart metering applications.
Recomendado
Wearable Health Monitors
The STM32L476VGT6 is well-suited for wearable health monitors such as heart rate monitors and activity trackers. Its ultra-low-power modes, including Stop 2 with 1 uA current consumption, allow continuous operation from a small coin cell battery. The Cortex-M4 FPU accelerates signal processing for heart rate algorithms, while the 12-bit ADC interfaces with analog front-ends for bio-sensing. The device's small 100-LQFP package (14x14 mm) fits compact PCB designs. The integrated LCD controller can drive a small segment display for time and notifications. The STM32L476VGT6's multiple communication interfaces (I2C, SPI) connect to sensors like accelerometers and optical heart rate sensors. Its wide supply voltage range (1.71V to 3.6V) accommodates battery voltage variations. The device's security features, such as a unique ID and CRC, ensure data integrity. The 1 MB Flash provides ample storage for firmware and data logging. The STM32L476VGT6's low-power RTC enables time-stamping of health data. Overall, the STM32L476VGT6 is an excellent choice for battery-powered health monitoring devices requiring high performance and low power.
Recomendado
Industrial Sensors
The STM32L476VGT6 is ideal for industrial sensors such as pressure, temperature, and flow sensors. Its 80 MHz Cortex-M4 core with FPU handles complex signal processing and calibration algorithms. The device's multiple 12-bit ADCs with hardware oversampling provide high-resolution measurements. The STM32L476VGT6's wide supply voltage range (1.71V to 3.6V) allows operation from industrial 3.3V rails. Its robust operating temperature range (-40C to +85C) ensures reliability in harsh environments. The integrated communication interfaces (UART, SPI, I2C, CAN) enable connectivity to PLCs and industrial networks. The device's low-power modes reduce energy consumption in battery-powered wireless sensors. The 1 MB Flash stores calibration data and firmware updates. The STM32L476VGT6's rich timer peripherals support PWM for actuator control. Its 100-pin LQFP package provides ample I/O for interfacing with sensors and displays. The device's security features, such as a unique ID, prevent counterfeiting. Overall, the STM32L476VGT6 is a versatile MCU for industrial sensing applications requiring high performance and reliability.
Recomendado
IoT Edge Nodes
The STM32L476VGT6 is an excellent choice for IoT edge nodes that require local processing and low power consumption. Its 80 MHz Cortex-M4 core with FPU can run machine learning models for anomaly detection. The device's multiple low-power modes enable battery-powered operation for years. The integrated USB OTG FS allows for easy firmware updates and data transfer. The STM32L476VGT6's rich communication interfaces (UART, SPI, I2C) connect to various wireless modules (LoRa, BLE, Wi-Fi). The 1 MB Flash provides ample storage for firmware and data buffering. The device's 12-bit ADC with hardware oversampling enables precise sensor readings. The STM32L476VGT6's security features, such as a unique ID and CRC, ensure data integrity. Its wide supply voltage range (1.71V to 3.6V) accommodates battery voltage variations. The 100-pin LQFP package offers a compact footprint for space-constrained designs. The device's low-power RTC enables scheduled wake-ups for periodic data transmission. Overall, the STM32L476VGT6 is a powerful and efficient MCU for IoT edge nodes.
Recomendado
Medical Devices
The STM32L476VGT6 is suitable for medical devices such as glucose monitors, infusion pumps, and portable diagnostic equipment. Its ultra-low-power consumption extends battery life, critical for portable devices. The Cortex-M4 FPU accelerates signal processing for biosignal analysis. The device's multiple ADCs with hardware oversampling ensure accurate measurements. The STM32L476VGT6's wide supply voltage range (1.71V to 3.6V) allows operation from a single battery. Its robust operating temperature range (-40C to +85C) ensures reliability in clinical environments. The integrated LCD controller can drive a display for user interface. The device's communication interfaces (UART, SPI, I2C) connect to sensors and wireless modules for data transmission. The 1 MB Flash stores firmware and patient data securely. The STM32L476VGT6's security features, such as a unique ID and CRC, ensure data integrity. Its 100-pin LQFP package provides ample I/O for interfacing with sensors and actuators. The device's low-power modes enable continuous monitoring without frequent battery changes. Overall, the STM32L476VGT6 is a reliable and efficient MCU for medical applications.
Recomendado
Portable Audio Devices
The STM32L476VGT6 is well-suited for portable audio devices such as MP3 players, voice recorders, and hearing aids. Its Cortex-M4 FPU accelerates audio processing algorithms like filtering and equalization. The device's multiple I2S interfaces support high-quality audio codecs. The STM32L476VGT6's ultra-low-power modes extend battery life for portable use. The 1 MB Flash can store audio samples or firmware. The device's 12-bit ADC can capture analog audio signals. The STM32L476VGT6's wide supply voltage range (1.71V to 3.6V) accommodates battery voltage variations. Its small 100-LQFP package fits compact designs. The integrated USB OTG FS enables audio file transfer. The device's DMA controllers offload data transfer, reducing CPU load. The STM32L476VGT6's rich timer peripherals support audio clock generation. Its low-power RTC enables time-stamping of recordings. Overall, the STM32L476VGT6 is a powerful and efficient MCU for portable audio applications.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para STM32L476VGT6 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | STM32L476VGT6TR | STM32L476VGT6U | STM32L476VCT6 | STM32L486VGT6 | GD32F450VGT6 | APM32F407VGT6 |
|---|---|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice | Geehy |
| Core | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU | ARM Cortex-M4 with FPU |
| Maximum Clock Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 200 MHz | 168 MHz |
| Flash Memory | 1 MB | 1 MB | 1 MB | 256 KB | 1 MB | 1 MB | 1 MB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB | 192 KB |
| Supply Voltage Range | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 1.71V to 3.6V | 2.6V to 3.6V | 2.0V to 3.6V |
| Number of I/O Pins | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
| USB Interface | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS | USB OTG FS |
Principais diferenciais
- Ultra-low-power consumption with multiple low-power modes (vs GD32F450VGT6)
- Integrated LCD controller (vs APM32F407VGT6)
- Wide supply voltage range (1.71V to 3.6V) (vs GD32F450VGT6)
Notas de projeto
Decouple each VDD pin with a 100 nF ceramic capacitor placed as close as possible to the pin. Additionally, place a 4.7 uF bulk capacitor on the main supply. For VDDA, use a 1 uF capacitor and a ferrite bead to isolate analog noise. Ensure the ground plane is solid and continuous to minimize noise.
For the 100-LQFP package, use a 0.5 mm pitch land pattern. Provide a thermal pad on the PCB for the exposed pad (if present) to improve heat dissipation. Route high-speed signals (USB, SPI) with controlled impedance and keep traces short. Place the crystal oscillator close to the OSC_IN/OSC_OUT pins with proper load capacitors.
Do not exceed the absolute maximum ratings for supply voltage (3.6V) or I/O pins. Ensure the BOOT0 pin is properly configured to avoid accidental boot from system memory. When using low-power modes, configure all unused GPIOs to analog mode to reduce leakage current. Also, verify that the RTC backup domain is powered correctly if using VBAT.
Informações de conformidade
RoHS compliant per LCSC listing. Not AEC-Q100 qualified; for automotive, consider STM32L476QG or other automotive-grade variants.
