STMicroelectronics STM32L471QEI3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $22.27 | $22.27 |
| 15+ | $5.12 | $76.80 |
| 25+ | $5.01 | $125.25 |
| 50+ | $4.73 | $236.50 |
| 100+ | $4.18 | $418.00 |
| N+ | $0.84 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 109 |
| Program Memory Size | 512KB (512K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 128K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 19x12b SAR; D/A 2x12b |
| Oscillator Type | External, Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 132-UFBGA (7x7) |
| Package / Case | 132-UFBGA |
| ROHS |  |
The STM32L471QEI3TR is an ultra-low-power ARM Cortex-M4 MCU from STMicroelectronics, running at 80MHz with FPU. It provides 512KB flash and 128KB RAM, operating from 1.71V to 3.6V. The 132-UFBGA package is ideal for space-constrained designs. Integrated brown-out detection, DMA, PWM, and WDT ensure robust operation from -40°C to 125°C, making it suitable for industrial and medical applications.
- Ultra-low power with 1.71V operation – extends battery life in portable devices.
- 80MHz Cortex-M4 with FPU – handles complex math and DSP efficiently.
- 512KB flash / 128KB RAM – ample for large applications and data buffering.
- Wide temperature range (-40°C to 125°C) – reliable in harsh environments.
- Compact 132-UFBGA – saves PCB area for miniaturized products.
IoT Edge Nodes
The 80MHz Cortex-M4 with FPU accelerates sensor fusion and encryption, while 512KB flash stores firmware and local analytics.
Medical Wearables
Low 1.71V operation and 125°C rating enable compact, high-reliability designs for patient monitoring.
Industrial Sensors
DMA and PWM support precise data acquisition and actuator control in 4-20mA loop-powered transmitters.
Smart Meters
128KB RAM buffers large data logs, and brown-out reset ensures metering integrity during power dips.
Portable Instrumentation
The 132-UFBGA package minimizes board space, while the FPU handles real-time DSP for signal analysis.
Building Automation
Multiple timers and PWM channels drive lighting and HVAC actuators with low power consumption.
- Q: What is the maximum clock speed?
- A: 80MHz using the ARM Cortex-M4 core with FPU.
- Q: What is the supply voltage range?
- A: 1.71V to 3.6V, supporting battery-powered designs.
- Q: How much flash and RAM are available?
- A: 512KB flash and 128KB RAM.
- Q: What package is this variant?
- A: 132-UFBGA, suitable for compact PCBs.
- Q: Does it support low-power modes?
- A: Yes, with multiple low-power modes and brown-out detection.
STM32L471QEI3TR.pdf
- Q: What is the maximum clock speed?
- A: 80MHz using the ARM Cortex-M4 core with FPU.
- Q: What is the supply voltage range?
- A: 1.71V to 3.6V, supporting battery-powered designs.
- Q: How much flash and RAM are available?
- A: 512KB flash and 128KB RAM.
- Q: What package is this variant?
- A: 132-UFBGA, suitable for compact PCBs.
- Q: Does it support low-power modes?
- A: Yes, with multiple low-power modes and brown-out detection.
