STMicroelectronics STM32L031G6U7S
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.51 | $2.51 |
| 15+ | $1.65 | $24.75 |
| 25+ | $1.61 | $40.25 |
| 50+ | $1.52 | $76.00 |
| 100+ | $1.34 | $134.00 |
| N+ | $0.27 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L0 |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M0+ |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 23 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 8K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 3.6V |
| Data Converters | A/D 10x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 28-UFQFPN (4x4) |
| Package / Case | 28-UFQFN |
| ROHS |
The STM32L031G6U7S from STMicroelectronics is an ultra-low-power ARM Cortex-M0+ microcontroller. It operates from 1.65V to 3.6V, making it ideal for energy-efficient designs. With 32KB flash and 8KB RAM, it offers a balanced feature set for cost-sensitive applications. The 28-UFQFN package saves board space while providing robust performance at 32MHz. Its integrated peripherals include PWM, DMA, and brown-out detection, ensuring reliable operation in demanding environments.
- Ultra-low power consumption: Extends battery life in portable devices due to 1.65V operation and optimized sleep modes.
- Compact package: 28-UFQFN enables miniaturized designs for space-constrained applications.
- Wide temperature range: -40°C to 105°C ensures reliability in harsh industrial environments.
- Rich analog features: Integrated comparators and ADC reduce external component count.
- Robust security: Hardware CRC and unique ID support secure firmware updates.
Battery-Powered IoT Sensors
The low 1.65V minimum supply voltage and multiple low-power modes make it perfect for wireless sensor nodes that need to run for years on coin cells.
Portable Medical Devices
With a wide temperature range and DMA for efficient data handling, it supports continuous glucose monitors and pulse oximeters requiring reliable low-power operation.
Industrial Control Panels
The PWM timers and WDT ensure robust operation in noisy environments, suitable for motor control and process automation.
Smart Home Automation
Its small 28-UFQFN package and rich analog features enable compact designs for smart thermostats and lighting controllers.
Wearable Fitness Trackers
The Cortex-M0+ core at 32MHz provides enough processing for activity tracking while maintaining ultra-low power consumption.
Automotive Aftermarket Accessories
Operating from -40°C to 105°C, it can handle under-hood sensors and cabin control modules.
- Q: What is the operating voltage range of the STM32L031G6U7S?
- A: It operates from 1.65V to 3.6V, ideal for battery-powered devices.
- Q: What core does this MCU use?
- A: It uses the ARM Cortex-M0+ core running at up to 32MHz.
- Q: How much flash and RAM does it have?
- A: It has 32KB flash and 8KB RAM.
- Q: What package is available?
- A: It comes in a 28-UFQFN package.
- Q: What are typical applications?
- A: Ideal for IoT sensors, portable devices, and industrial control.
- Q: What is the operating voltage range of the STM32L031G6U7S?
- A: It operates from 1.65V to 3.6V, ideal for battery-powered devices.
- Q: What core does this MCU use?
- A: It uses the ARM Cortex-M0+ core running at up to 32MHz.
- Q: How much flash and RAM does it have?
- A: It has 32KB flash and 8KB RAM.
- Q: What package is available?
- A: It comes in a 28-UFQFN package.
- Q: What are typical applications?
- A: Ideal for IoT sensors, portable devices, and industrial control.

STM32L031G6U7S.pdf