Le blog de l'entreprise STMicroelectronics STM32L471 Ultra-Low-Power Cortex-M4 Microcontroller in Stock

Shenzhen Mingjiada Electronics is a professional spot trader and supplier of electronic components. We have long supplied STMicroelectronics’ STM32L471 series of ultra-low-power 32-bit microcontrollers (MCUs). We offer a stable supply of genuine, original products and support one-stop BOM fulfillment to meet the sample production and bulk procurement needs of projects in the Internet of Things (IoT), industrial data acquisition, and portable devices.

The STM32L471 belongs to STMicroelectronics’ STM32L4 ultra-low-power product line. It features an Arm Cortex-M4 core, an integrated FPU (floating-point unit), and a DSP instruction set. with a maximum clock speed of 80 MHz. Paired with the ART real-time accelerator and supporting zero-wait Flash access, it delivers up to 100 DMIPS of processing power, balancing computational performance with low power consumption, making it a mainstream microcontroller for battery-powered embedded solutions.

This series operates at supply voltages ranging from 1.71 V to 3.6 V and incorporates FlexPowerControl power management technology, offering multiple low-power modes: Shutdown mode as low as 30 nA, Standby mode at 120 nA, and Stop2 mode at 1.1 μA, with a wake-up time of just 4 μs; The operating temperature range covers the industrial temperature zone of -40°C to 85°C, and some variants support even higher temperature specifications, demonstrating strong environmental adaptability. The STM32L471 family includes multiple part numbers with Flash capacities ranging from 512 KB to 1 MB and up to 128 KB of SRAM. It offers a wide variety of pin configurations, including 64-pin, 100-pin, and 144-pin LQFP and BGA packages, facilitating selection for various PCB designs.

STM32L471 Key Specifications

- Core: Arm Cortex-M4 + FPU (floating-point unit), DSP instructions, MPU (memory protection unit)

- Maximum Clock Speed: 80 MHz

- Flash: 512 KB to 1 MB

- SRAM: Up to 128 KB

- Analog Peripherals: 12-bit ADC, DAC, on-chip op-amp, comparator, DFSDM digital filter

- Communication Interfaces: CAN 2.0, SPI, I2C, USART, Quad SPI, FSMC external memory controller

- Power Consumption: Multi-level low-power modes, fast wake-up from Stop mode

- Temperature Range: Industrial grade -40°C to 85°C (some models support up to 105°C/125°C)

Key Features of the STM32L471

1. The STM32L4 series features an ultra-low-power architecture and flexible power management strategies, significantly extending battery life for battery-powered devices

2. Powered by the ART accelerator, it delivers high-speed performance while controlling power consumption and maintaining balanced computing power

3. Integrates a rich set of analog front-end peripherals, reducing the need for external signal conditioning components and lowering BOM costs

4. Supports code read protection and firewall functions to protect product firmware intellectual property

5. Extensive industrial communication interfaces enable direct integration with various wireless modules and sensor modules

6. STMicroelectronics’ mature ecosystem, including the STM32CubeL4 development library, ensures convenient development

Typical Application Scenarios

The STM32L471 is widely used in low-power embedded devices: industrial sensor acquisition modules, IoT wireless terminals, smart water, electricity, and gas meters, portable testing instruments, battery monitoring equipment, environmental monitoring nodes, portable medical devices, smart home control boards, and more.

Mingjiada Electronics Supply Services

Shenzhen Mingjiada Electronics specializes in the full range of STMicroelectronics (ST) MCUs, power devices, and analog chips. We maintain long-term stock of all STM32L471 package variants and support sample requests, small-batch trial production, and large-volume orders. We also purchase factory surplus, obsolete, and returned electronic components.

All incoming inventory undergoes strict verification of part numbers, lot numbers, and original factory packaging to ensure genuine quality. We welcome inquiries from procurement professionals and engineers regarding STM32L471 pricing, inventory, and lead times.

Contact: Mr. Chen

Mobile: +86 13410018555

Email: sales@hkmjd.com

Address: Rooms 1239-1241, Guoli Building, Zhenzhong Road, Futian District, Shenzhen

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