STMicroelectronics STM32L471QEI3
| 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 |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Bulk | 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 STM32L471QEI3 is a high-performance, ultra-low-power MCU from STMicroelectronics, featuring an ARM Cortex-M4 core at 80MHz with FPU. It offers 512KB flash and 128KB RAM, operating from 1.71V to 3.6V. The 132-UFBGA package is designed for compact, high-reliability applications. With brown-out detection, DMA, PWM, and WDT, it delivers robust performance across -40°C to 125°C.
- FPU for efficient floating-point math – accelerates control algorithms.
- Ultra-low power consumption – ideal for energy-harvesting designs.
- Large memory (512KB/128KB) – supports complex firmware and data caching.
- Wide temperature range – reliable in automotive and industrial settings.
Embedded DSP Systems
The FPU and 80MHz clock enable real-time audio and vibration analysis without external DSP.
Battery-Powered Data Loggers
Low voltage operation and multiple low-power modes extend field life for remote monitoring.
Motor Control Drives
PWM timers and DMA handle sensorless FOC algorithms with minimal CPU overhead.
Smart Grid Devices
Brown-out detection and WDT ensure reliable operation in unstable power grids.
Portable Medical Devices
High temperature rating and compact package support sterilization and miniaturization.
Robotics Controllers
128KB RAM allows complex kinematics and sensor fusion for autonomous navigation.
- Q: What is the core and speed?
- A: ARM Cortex-M4 with FPU at 80MHz.
- Q: What is the memory configuration?
- A: 512KB flash and 128KB RAM.
- Q: What voltage does it need?
- A: 1.71V to 3.6V.
- Q: What package is this?
- A: 132-UFBGA.
- Q: Is it suitable for high-temperature environments?
- A: Yes, rated for -40°C to 125°C.
- Q: What is the core and speed?
- A: ARM Cortex-M4 with FPU at 80MHz.
- Q: What is the memory configuration?
- A: 512KB flash and 128KB RAM.
- Q: What voltage does it need?
- A: 1.71V to 3.6V.
- Q: What package is this?
- A: 132-UFBGA.
- Q: Is it suitable for high-temperature environments?
- A: Yes, rated for -40°C to 125°C.

STM32L471QEI3.pdf