STMicroelectronics STM32L422KBU6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.26 | $5.26 |
| 15+ | $3.46 | $51.90 |
| 25+ | $3.38 | $84.50 |
| 50+ | $3.20 | $160.00 |
| 100+ | $2.82 | $282.00 |
| N+ | $0.56 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 26 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 40K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 32-UFQFPN (5x5) |
| Package / Case | 32-UFQFN Exposed Pad |
| ROHS |  |
The STM32L422KBU6 from STMicroelectronics is an ultra-low-power 32-bit MCU built on the ARM Cortex-M4 core. It operates from 1.71V to 3.6V and runs at 80MHz, delivering efficient processing for energy-sensitive designs. With 128KB flash and 40KB SRAM, it handles moderate-complexity firmware. The 32-UFQFN package saves board space, while integrated DMA, PWM, and watchdog timers enhance peripheral control and system reliability.
- Ultra-low power consumption: 1.71V operation extends battery life in portable devices.
- High performance: 80MHz Cortex-M4 with DSP instructions accelerates signal processing tasks.
- Ample memory: 128KB flash and 40KB SRAM support complex applications without external storage.
- Compact package: 32-UFQFN reduces PCB area for miniaturized designs.
- Robust safety: Brown-out reset and WDT ensure stable operation in harsh environments.
Battery-Powered IoT Sensors
The 1.71V minimum supply voltage and 80MHz Cortex-M4 enable energy-efficient data processing for long-life wireless sensor nodes.
Portable Medical Devices
With 128KB flash and 40KB RAM, it supports complex algorithms for glucose meters or pulse oximeters while maintaining low power draw.
Industrial Control Loops
The integrated PWM and DMA allow precise motor control or actuator regulation without CPU overhead, improving real-time response.
Smart Home Hubs
Its compact 32-UFQFN package fits space-constrained designs, while the WDT ensures reliable operation in always-on home automation controllers.
Wearable Fitness Trackers
The low-voltage operation and small footprint make it ideal for step counters or heart-rate monitors that run for months on a coin cell.
Data Logging Systems
Combined with brown-out detection, it safely manages flash writes in environmental or asset tracking loggers, preventing data corruption.
- Q: What is the operating voltage range of the STM32L422KBU6?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It provides 128KB of flash memory and 40KB of SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
- Q: Does it include a brown-out reset?
- A: Yes, it features brown-out detect/reset, DMA, PWM, and WDT.
STM32L422KBU6.pdf
- Q: What is the operating voltage range of the STM32L422KBU6?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M4 core runs at up to 80MHz.
- Q: How much flash and RAM does it have?
- A: It provides 128KB of flash memory and 40KB of SRAM.
- Q: What package is available?
- A: It comes in a 32-UFQFN exposed pad package.
- Q: Does it include a brown-out reset?
- A: Yes, it features brown-out detect/reset, DMA, PWM, and WDT.
