STMicroelectronics STM32L151CBU6A
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $6.58 | $6.58 |
| 15+ | $4.32 | $64.80 |
| 25+ | $4.23 | $105.75 |
| 50+ | $4.00 | $200.00 |
| 100+ | $3.53 | $353.00 |
| N+ | $0.71 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L1 |
| Packaging | Tray | |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 37 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UFQFPN (7x7) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |
The STM32L151CBU6A is a low-power 32-bit MCU from STMicroelectronics, featuring an ARM Cortex-M3 core at 32MHz. It provides 128KB flash and 32KB SRAM, operating from 1.8V to 3.6V. The 48-UFQFN package includes Cap Sense, DMA, I2S, PWM, and WDT, ideal for portable and industrial applications.
- Integrated Cap Sense: Saves external components for touch interfaces.
- Low-power design: Extends battery life in portable devices.
- Compact 48-UFQFN package: Saves PCB space.
- Rich analog and digital peripherals: Versatile for mixed-signal applications.
Touch-Sensitive Control Panels
Integrated Cap Sense eliminates external touch ICs, reducing BOM cost.
Battery-Powered Data Loggers
Low-power Cortex-M3 with 32KB RAM supports long-term logging.
Industrial Sensors
Brown-out detection and POR ensure safe operation in unstable power grids.
Portable Medical Devices
Low voltage and small package fit compact glucose meters and pulse oximeters.
Smart Building Controllers
I2S and DMA enable audio processing for intercom systems.
Wearable Fitness Trackers
Ultra-low-power modes extend battery life in wrist-worn devices.
- Q: What is the supply voltage?
- A: 1.8V to 3.6V.
- Q: What core is used?
- A: ARM Cortex-M3 at 32MHz.
- Q: What package is available?
- A: 48-UFQFN with exposed pad.
- Q: Does it have capacitive sensing?
- A: Yes, Cap Sense is included.
- Q: What is the supply voltage?
- A: 1.8V to 3.6V.
- Q: What core is used?
- A: ARM Cortex-M3 at 32MHz.
- Q: What package is available?
- A: 48-UFQFN with exposed pad.
- Q: Does it have capacitive sensing?
- A: Yes, Cap Sense is included.

STM32L151CBU6A.pdf