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STMicroelectronics STM32L072VBI6 — Microcontrollers & Processors (MCU / MPU / DSP)
STMicroelectronics

STM32L072VBI6 ARM Cortex-M0+ MCU, 32 MHz, 128 KB Flash

MPNSTM32L072VBI6
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STMicroelectronics STM32L0 series STM32L072VBI6, ARM Cortex-M0+ 32-bit MCU, 32 MHz, 128 KB Flash, 20K x 8 RAM, 6K x 8 EEPROM, USB, 84 I/O, 100-UFBGA, -40 to 85°C.

$3.0625Ref. price · indicative, final on quote
STM32L072VBI6 datasheet
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Specifications

STM32L072VBI6 Technical Specifications
ParameterValue
SeriesSTM32L0
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.65V ~ 3.6V
Operating temperature-40°C ~ 85°C (TA)
Speed32MHz
PackageTray
RAM size20K x 8
Core size32-Bit Single-Core
EEPROM size6K x 8
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, SPI, UART/USART, USB
Number of i (O)84
Core processorARM® Cortex®-M0+
Case100-UFBGA
Data convertersA/D 16x12b; D/A 2x12b
Program memory size128KB (128K x 8)

Product details

32 MHz Cortex-M0+ with USB and embedded EEPROM

The STM32L072VBI6 is an ultra-low-power 32-bit MCU from STMicroelectronics built around the ARM Cortex-M0+ core running at 32 MHz. With 84 general-purpose I/Os and a 12-bit ADC (16 channels) plus a 12-bit DAC (2 channels), it covers sensor aggregation, human-machine interface, and low-power data logging roles.

The 100-UFBGA package (7x7 mm body) is the smallest footprint for this I/O count, but it demands fine-pitch assembly and X-ray inspection; if your board shop isn't set up for 0.5 mm pitch BGA, the LQFP-100 variant (STM32L072VBT6) is a drop-in alternative on the same die.

The base product number STM32L072 covers a family of Flash and RAM density options in the same package footprint, so if the 128 KB / 20 KB configuration is tight, a pin-compatible upgrade path exists within the series.

Frequently asked questions

What are the alternatives to STM32L072VBI6 if it is out of stock?

Within the same STM32L072 family, the STM32L072VBT6 uses the same die and peripheral set in an LQFP-100 package, which is easier to source and assemble. For a drop-in BGA replacement, any STM32L072VxI6 variant (same 100-UFBGA footprint) with different Flash/RAM densities can serve as a functional alternative — just verify the memory budget against your firmware image.

What is STM32L072VBI6's listed speed?

The core runs at 32 MHz maximum, which is the performance ceiling for this ultra-low-power Cortex-M0+ implementation.