STMicroelectronics STM32L151VBH6D

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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 Cap Sense, DMA, I2S, POR, PWM, WDT
Number of I/O 83
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 16K x 8
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V
Data Converters A/D 24x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-UFBGA (7x7)
Package / Case 100-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L151VBH6D from STMicroelectronics is an ultra-low-power ARM Cortex-M3 MCU in a 100-UFBGA package. It operates from 1.65V to 3.6V at 32MHz, with 128KB flash and 16KB RAM. It features Cap Sense, DMA, I2S, POR, PWM, and WDT. This device is optimized for energy-constrained applications requiring advanced peripherals.

  • 1.65V operation: Enables direct battery operation down to a single alkaline cell.
  • Cap Sense touch: Adds modern UI without extra components.
  • I2S for audio: Simplifies digital audio interface design.
  • High memory density (128KB flash): Supports complex firmware and data logging.

Energy Harvesting Sensors

The 1.65V minimum voltage allows operation from a single solar cell or thin-film battery in wireless sensor nodes.

Smart Agriculture Probes

Low power and DMA support efficient data collection from soil moisture and temperature sensors.

Portable Audio Recorders

I2S interface enables direct connection to digital microphones and audio codecs.

Medical Wearable Patches

Ultra-low voltage operation extends battery life for continuous health monitoring patches.

Industrial Wireless HART Adapters

The Cortex-M3 core handles protocol processing while PWM controls signal conditioning circuits.

Smart Lighting Controllers

Cap Sense touch dimmers and PWM outputs provide elegant user control for LED lighting.

Q: What is the minimum supply voltage for this MCU?
A: It can operate from as low as 1.65V, ideal for single-cell battery applications.
Q: What core does it use?
A: It uses the ARM Cortex-M3 core at 32MHz.
Q: How much flash memory is available?
A: It has 128KB flash and 16KB RAM.
Q: Does it support capacitive touch?
A: Yes, it includes Cap Sense technology.
Q: What package is this?
A: It is a 100-pin UFBGA package.
Base Product Number : STM32L151VB
128KB Flash 16KB RAM 32-bit MCU 32MHz ARM Cortex-M3 Audio Cap Sense DMA Energy Harvesting I2S PWM STM32L1 UFBGA-100 Ultra-low-power WDT
Q: What is the minimum supply voltage for this MCU?
A: It can operate from as low as 1.65V, ideal for single-cell battery applications.
Q: What core does it use?
A: It uses the ARM Cortex-M3 core at 32MHz.
Q: How much flash memory is available?
A: It has 128KB flash and 16KB RAM.
Q: Does it support capacitive touch?
A: Yes, it includes Cap Sense technology.
Q: What package is this?
A: It is a 100-pin UFBGA package.