STM32L476VGT6 - Ultra-Low-Power Cortex-M4 MCU 80MHz 1MB Flash | STMicroelectronics
Référence : STM32L476VGT6 ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour STM32L476VGT6 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec STM32L476VGT6 (même facteur de forme et même empreinte) — différant par Flash Memory, ADC, Communication Interfaces, Core, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
STM32L476VGT6TR
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L476VGT6U
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L476VCT6
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
STM32L486VGT6
✅ Remplacement direct✓ En stock
$8.11 / unité
Voir la fiche technique →GD32F450VGT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
APM32F407VGT6
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
STM32L476VGT6 Valeurs maximales et caractéristiques électriques
| Core | ARM Cortex-M4 with FPU |
| Fréquence d'horloge maximale | 80 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 128 KB |
| Supply Voltage Range | 1.71 V to 3.6 V |
| Boîtier | 100-LQFP (14x14 mm) |
| Type de montage | Surface Mount |
| Number of I/O Pins | 82 |
| Largeur du bus de données | 32-bit |
| Plage de température de fonctionnement | -40C to +85C |
| USB Interface | USB OTG FS |
| LCD Controller | Yes (8x40 segments) |
| DFSDM | Yes (digital filters for sigma-delta modulators) |
| Statut RoHS | Compliant |
| Core Architecture | ARM |
Configuration des broches de STM32L476VGT6
| Broche 1 | PE2 — GPIO / alternate functions |
| Broche 2 | PE3 — GPIO / alternate functions |
| Broche 3 | PE4 — GPIO / alternate functions |
| Broche 4 | PE5 — GPIO / alternate functions |
| Broche 5 | PE6 — GPIO / alternate functions |
| Broche 6 | VBAT — Battery backup supply |
| Broche 7 | PC13 — GPIO / RTC / tamper |
| Broche 8 | PC14 — GPIO / OSC32_IN |
| Broche 9 | PC15 — GPIO / OSC32_OUT |
| Broche 10 | PF0 — GPIO / OSC_IN |
| Broche 11 | PF1 — GPIO / OSC_OUT |
| Broche 12 | NRST — Reset (active low) |
| Broche 13 | PC0 — GPIO / ADC |
| Broche 14 | PC1 — GPIO / ADC |
| Broche 15 | PC2 — GPIO / ADC |
| Broche 16 | PC3 — GPIO / ADC |
| Broche 17 | VSSA — Analog ground |
| Broche 18 | VDDA — Analog power supply |
| Broche 19 | PA0 — GPIO / ADC / WKUP |
| Broche 20 | PA1 — GPIO / ADC |
| Broche 21 | PA2 — GPIO / USART2_TX |
| Broche 22 | PA3 — GPIO / USART2_RX |
| Broche 23 | VSS — Ground |
| Broche 24 | VDD — Power supply |
| Broche 25 | PA4 — GPIO / DAC |
| Broche 26 | PA5 — GPIO / DAC |
| Broche 27 | PA6 — GPIO / SPI1_MISO |
| Broche 28 | PA7 — GPIO / SPI1_MOSI |
| Broche 29 | PC4 — GPIO / I2S |
| Broche 30 | PC5 — GPIO / I2S |
| Broche 31 | PB0 — GPIO / ADC |
| Broche 32 | PB1 — GPIO / ADC |
| Broche 33 | PB2 — GPIO / BOOT1 |
| Broche 34 | PF2 — GPIO |
| Broche 35 | PF3 — GPIO |
| Broche 36 | PF4 — GPIO |
| Broche 37 | PF5 — GPIO |
| Broche 38 | PF6 — GPIO |
| Broche 39 | PF7 — GPIO |
| Broche 40 | PF8 — GPIO |
| Broche 41 | PF9 — GPIO |
| Broche 42 | PF10 — GPIO |
| Broche 43 | VSS — Ground |
| Broche 44 | VDD — Power supply |
| Broche 45 | PF11 — GPIO |
| Broche 46 | PF12 — GPIO |
| Broche 47 | PF13 — GPIO |
| Broche 48 | PF14 — GPIO |
| Broche 49 | PF15 — GPIO |
| Broche 50 | PG0 — GPIO |
| Broche 51 | PG1 — GPIO |
| Broche 52 | PE7 — GPIO |
| Broche 53 | PE8 — GPIO |
| Broche 54 | PE9 — GPIO |
| Broche 55 | PE10 — GPIO |
| Broche 56 | PE11 — GPIO |
| Broche 57 | PE12 — GPIO |
| Broche 58 | PE13 — GPIO |
| Broche 59 | PE14 — GPIO |
| Broche 60 | PE15 — GPIO |
| Broche 61 | PB10 — GPIO / I2C2_SCL |
| Broche 62 | PB11 — GPIO / I2C2_SDA |
| Broche 63 | VSS — Ground |
| Broche 64 | VDD — Power supply |
| Broche 65 | PB12 — GPIO / SPI2_NSS |
| Broche 66 | PB13 — GPIO / SPI2_SCK |
| Broche 67 | PB14 — GPIO / SPI2_MISO |
| Broche 68 | PB15 — GPIO / SPI2_MOSI |
| Broche 69 | PD8 — GPIO / USART3_TX |
| Broche 70 | PD9 — GPIO / USART3_RX |
| Broche 71 | PD10 — GPIO |
| Broche 72 | PD11 — GPIO |
| Broche 73 | PD12 — GPIO |
| Broche 74 | PD13 — GPIO |
| Broche 75 | PD14 — GPIO |
| Broche 76 | PD15 — GPIO |
| Broche 77 | PC6 — GPIO / I2S2_MCK |
| Broche 78 | PC7 — GPIO / I2S2_SCK |
| Broche 79 | PC8 — GPIO / I2S2_SD |
| Broche 80 | PC9 — GPIO / I2S2_WS |
| Broche 81 | PA8 — GPIO / USB_OTG_FS_SOF |
| Broche 82 | PA9 — GPIO / USB_OTG_FS_VBUS |
| Broche 83 | PA10 — GPIO / USB_OTG_FS_ID |
| Broche 84 | PA11 — GPIO / USB_OTG_FS_DM |
| Broche 85 | PA12 — GPIO / USB_OTG_FS_DP |
| Broche 86 | PA13 — GPIO / SWDIO |
| Broche 87 | VSS — Ground |
| Broche 88 | VDD — Power supply |
| Broche 89 | PA14 — GPIO / SWCLK |
| Broche 90 | PA15 — GPIO / JTDI |
| Broche 91 | PC10 — GPIO / USART4_TX |
| Broche 92 | PC11 — GPIO / USART4_RX |
| Broche 93 | PC12 — GPIO / USART5_TX |
| Broche 94 | PD0 — GPIO / OSC_IN |
| Broche 95 | PD1 — GPIO / OSC_OUT |
| Broche 96 | PD2 — GPIO / USART5_RX |
| Broche 97 | PD3 — GPIO |
| Broche 98 | PD4 — GPIO |
| Broche 99 | PD5 — GPIO |
| Broche 100 | PD6 — GPIO |
Applications typiques
STM32L476VGT6 convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour STM32L476VGT6 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
RoHS compliant per LCSC listing. Not AEC-Q100 qualified; for automotive, consider STM32L476QG or other automotive-grade variants.
