STMicroelectronics STM32L151QCH6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $24.16 | $24.16 |
| 15+ | $5.56 | $83.40 |
| 25+ | $5.44 | $136.00 |
| 50+ | $5.13 | $256.50 |
| 100+ | $4.53 | $453.00 |
| N+ | $0.91 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L1 |
| Packaging | Tray | NULL |
| 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 | 109 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 8K x 8 |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 40x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 132-UFBGA (7x7) |
| Package / Case | 132-UFBGA |
| ROHS |  |
The STM32L151QCH6 from STMicroelectronics is a low-power ARM Cortex-M3 microcontroller designed for energy-sensitive applications. It operates from 1.8V to 3.6V and runs at 32MHz, offering 256KB flash and 32KB SRAM. Integrated Cap Sense, DMA, I2S, PWM, and WDT reduce external components. The 132-UFBGA package suits compact designs, and the -40°C to 85°C range covers most commercial and industrial uses.
- Ultra-low power consumption: 1.8V operation and multiple low-power modes extend battery life in portable devices.
- Integrated Cap Sense: Eliminates external touch controllers, reducing BOM cost and PCB area.
- Rich analog and digital peripherals: DMA, I2S, PWM, and WDT enable complex applications with a single chip.
- Compact 132-UFBGA: Saves board space for miniaturized wearable and IoT modules.
Battery-Powered IoT Sensors
The 1.8V minimum supply and low-power modes enable years of operation from coin cells in wireless environmental monitors.
Portable Medical Devices
Cap Sense allows sealed, easy-to-clean touch interfaces for glucose meters or thermometers, while the 32MHz Cortex-M3 handles signal processing.
Industrial Control Panels
With PWM and WDT, it can drive small actuators and maintain reliable operation in noisy environments with brown-out detection.
Smart Home Keypads
Capacitive touch plus I2S for audio feedback creates responsive, modern user interfaces for door locks or thermostats.
Wearable Fitness Trackers
The compact 132-UFBGA package and 256KB flash support firmware for activity monitoring and BLE protocol stacks.
Data Logging Systems
DMA transfers sensor data to the 32KB RAM without CPU intervention, preserving power during long logging intervals.
- Q: What is the operating voltage range of the STM32L151QCH6?
- A: The STM32L151QCH6 operates from 1.8V to 3.6V, supporting low-power battery applications.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes Cap Sense technology for touch-sensitive interfaces without external components.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32 MHz.
- Q: What package is available?
- A: It comes in a 132-UFBGA package, ideal for compact PCB designs.
- Q: What are the key integrated peripherals?
- A: It features DMA, I2S, PWM, WDT, POR, and brown-out detection.
STM32L151QCH6.pdf
- Q: What is the operating voltage range of the STM32L151QCH6?
- A: The STM32L151QCH6 operates from 1.8V to 3.6V, supporting low-power battery applications.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes Cap Sense technology for touch-sensitive interfaces without external components.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32 MHz.
- Q: What package is available?
- A: It comes in a 132-UFBGA package, ideal for compact PCB designs.
- Q: What are the key integrated peripherals?
- A: It features DMA, I2S, PWM, WDT, POR, and brown-out detection.
