STM32L475VGT6 - Ultra-Low-Power Cortex-M4 MCU 1MB Flash | STMicroelectronics
MPN: STM32L475VGT6 β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.71 | $14.71 |
| 10 | $13.24 | $132.40 |
| 100 | $11.77 | $1,177.00 |
| 500 | $10.3 | $5,150.00 |
| 1,000 | $8.83 | $8,830.00 |
Drop-in alternatives for STM32L475VGT6 β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
STM32L471VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L476VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L475VET6
β Drop-Inπ Reference alternative (not in catalog)
GD32L475VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L4R5VGT6
β Drop-Inπ Reference alternative (not in catalog)
STM32L475VGT6 Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M4 with FPU |
| Maximum Clock Frequency | 80 MHz |
| Flash Memory | 1 MB (1M x 8) |
| SRAM | 128 KB |
| Data Bus Width | 32-bit |
| Operating Voltage Range | 1.71 V to 3.6 V |
| Package | 100-LQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Number of I/Os | [DATA_NEEDED: Number of I/Os] |
| ADC Resolution | 12-bit |
| DAC Resolution | 12-bit |
| Communication Interfaces | I2C, SPI, USART, CAN, SAI, USB OTG FS |
| Low-Power Modes | Sleep, Low-power run, Standby |
| Operating Temperature Range | -40Β°C to +85Β°C |
| RoHS Status | Compliant |
STM32L475VGT6 Pin Configuration
| Pin 1 | VBAT β Battery backup supply |
| Pin 12 | VDD β Digital power supply |
| Pin 24 | VSS β Ground |
| Pin 36 | PA0 β GPIO / ADC input |
| Pin 48 | PB2 β GPIO / BOOT1 |
| Pin 60 | PC14 β GPIO / OSC32_IN |
| Pin 72 | PD0 β GPIO / OSC_IN |
| Pin 84 | PE0 β GPIO |
| Pin 96 | PF0 β GPIO |
| Pin 100 | NRST β Reset |
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
STM32L475VGT6 is suitable for 6 applications: IoT Gateways, Wearable Fitness Trackers, Industrial Sensors, Medical Devices, Smart Meters, Audio Processing.
IoT Gateways
The STM32L475VGT6 is ideal for IoT gateways due to its ultra-low-power consumption and rich connectivity options. It supports USB OTG FS for direct connection to sensors or modems, and multiple communication interfaces (I2C, SPI, USART, CAN) for interfacing with various peripherals. Its 80 MHz Cortex-M4 core can handle protocol stacks and data aggregation, while low-power modes extend battery life in remote deployments. The device's 1 MB Flash allows storing firmware updates and local data logging, making it a robust choice for edge computing in IoT networks.
Recommended
Wearable Fitness Trackers
The STM32L475VGT6 is well-suited for wearable fitness trackers due to its ultra-low-power operation and small footprint. The 100-pin LQFP package is compact enough for wrist-worn devices, while the Cortex-M4 FPU accelerates sensor data processing (e.g., accelerometer, heart rate). The device's multiple low-power modes allow the MCU to sleep between sensor readings, significantly extending battery life. With 1 MB Flash, it can store activity logs and firmware updates. The integrated ADC and DAC enable direct interfacing with analog sensors, and the USB OTG FS allows for easy charging and data transfer.
Recommended
Industrial Sensors
The STM32L475VGT6 is an excellent choice for industrial sensors that require low power and high reliability. Its wide operating voltage range (1.71V to 3.6V) allows it to run from industrial power supplies or batteries. The device includes multiple 12-bit ADCs for precise analog measurements, and the DFSDM peripheral enables direct interfacing with sigma-delta modulators for high-accuracy sensing. The CAN interface supports robust communication in industrial networks. The MCU's low-power modes are beneficial for battery-powered wireless sensors, and its extended temperature range (-40Β°C to +85Β°C) ensures operation in harsh environments.
Recommended
Medical Devices
The STM32L475VGT6 is suitable for medical devices such as portable monitors and diagnostic equipment due to its low power consumption and advanced analog capabilities. The 12-bit ADC and DAC allow precise signal acquisition and generation, essential for biosignal processing. The Cortex-M4 FPU accelerates digital signal processing algorithms, such as filtering and FFT, for ECG or EEG analysis. The device's security features, including a TRNG, support secure data handling. Its small package and low power make it ideal for battery-operated medical wearables, while the USB OTG FS enables data transfer to a host system.
Recommended
Smart Meters
The STM32L475VGT6 is well-suited for smart meters due to its ultra-low-power operation and robust communication interfaces. It can handle metering calculations with its 80 MHz Cortex-M4 core and FPU, while the multiple UARTs and SPI interfaces connect to communication modules (e.g., PLC, RF). The device's low-power modes allow it to operate on battery for extended periods, and its wide voltage range accommodates various power supply designs. The 1 MB Flash provides ample space for metering firmware and data logging. The DFSDM peripheral can interface with sigma-delta ADCs for accurate energy measurement.
Recommended
Audio Processing
The STM32L475VGT6 can be used in audio processing applications such as voice-controlled devices and audio analyzers. Its Cortex-M4 FPU and DSP instructions enable real-time audio processing, such as filtering and FFT. The device includes a 12-bit DAC and multiple timers for audio waveform generation. The SAI (Serial Audio Interface) supports I2S communication with external audio codecs. The low-power modes are beneficial for battery-powered audio devices, and the USB OTG FS allows for audio streaming to a host. The 1 MB Flash can store audio samples or processing algorithms.
Recommended
Recommended Products Summary
Engineering reference data for STM32L475VGT6 β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | STM32L471VGT6 | STM32L476VGT6 | GD32L475VGT6 |
|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | STMicroelectronics | STMicroelectronics | STMicroelectronics | GigaDevice |
| Core | 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 |
| Flash Memory | 1 MB | 1 MB | 1 MB | 1 MB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB |
| USB OTG FS | Yes | No | Yes | Yes |
| DFSDM | Yes | No | Yes | Yes |
Key Differentiators
- Ultra-low-power consumption with multiple low-power modes (vs STM32F745VGT6)
- Integrated USB OTG FS and DFSDM (vs STM32L471VGT6)
- Wide operating voltage range (1.71V to 3.6V) (vs GD32L475VGT6)
Design Notes
The STM32L475VGT6 operates from 1.71V to 3.6V. Use a low-dropout regulator (LDO) to provide a stable supply, and place 100nF decoupling capacitors close to each VDD pin and a 4.7uF capacitor on the main supply. For battery-powered designs, utilize the low-power modes (Sleep, Stop, Standby) to minimize current consumption. Refer to the datasheet's power management section for detailed recommendations.
For the 100-pin LQFP package, ensure proper soldering with a stencil thickness of 0.125mm. Provide a solid ground plane and route power traces with adequate width. Place the crystal oscillator (if used) close to the OSC_IN/OSC_OUT pins and keep the trace lengths short to reduce parasitic capacitance. Follow the layout guidelines in the STM32L4 application note (AN4666) for optimal performance.
Do not exceed the absolute maximum ratings, especially on the supply voltage (3.6V). Ensure that the NRST pin is properly pulled up with a 10k resistor and a 100nF capacitor to ground for reliable reset. When using the USB OTG FS, provide a 3.3V supply and proper ESD protection on the USB lines. Also, verify that the boot pins (BOOT0 and BOOT1) are configured correctly for your application.
Compliance Information
RoHS compliant per STMicroelectronics product page. AEC-Q100 not applicable for this general-purpose MCU.
