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Integrated Circuits (ICs)

STM32L151RBT7A

Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, USB

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a versatile microcontroller designed for energy-efficient applications requiring high performance and reliability. With a powerful 32 MHz CPU and 128 Kbytes of Flash memory, this MCU is ideal for a wide range of embedded systems, from consumer electronics to industrial automation. Its compact LQFP package and robust feature set, including USB connectivity, make it an excellent choice for developers seeking to optimize power consumption

BrandSTMicroelectronics
PackageLQFP
Device TypeMicrocontrollers

Full Specifications

Number of Pins64
Number of I/Os51
Memory Size128kB
Min Supply Voltage1.65V
Max Supply Voltage3.6V
Lifecycle StatusProduction
Frequency32MHz
Max Operating Temperature105°C
Min Operating Temperature-40°C
Nominal Supply Current300nA
Number of I2C Channels2
Number of SPI Channels2
Number of Timers/Counters8
RAM Size32kB

About This Product

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a versatile microcontroller designed for energy-efficient applications requiring high performance and reliability. With a powerful 32 MHz CPU and 128 Kbytes of Flash memory, this MCU is ideal for a wide range of embedded systems, from consumer electronics to industrial automation. Its compact LQFP package and robust feature set, including USB connectivity, make it an excellent choice for developers seeking to optimize power consumption without compromising functionality.

What is this product used for?

Suitable for design, repair, and production programs using Microcontrollers devices.

Typical Use Cases

Embedded Processors and Controllers Microcontrollers LQFP Microcontrollers

Sourcing Support for This MPN

  • MPN and package verification against your BOM or approved vendor list
  • Approved-alternate and cross-reference review when the requested line is constrained
  • Availability, lifecycle, and supply-risk discussion for procurement planning
  • Packing, label, date-code, and requested document coordination

RFQ Checklist

Part number Confirm the target MPN or suggest approved alternates
Target Quantity Sample, pilot run, or mass production volume
Project stage Prototype, NPI, or ongoing production
Target price Budget or target price range if available
Ultra-low-power ARM Cortex-M3 MCU with 128 Kbytes Flash, 32 MHz CPU, USB

STM32L151RBT7A

STMicroelectronics

The STMicroelectronics Ultra-low-power ARM Cortex-M3 MCU is a versatile microcontroller designed for energy-efficient applications requiring high performance and reliability. With a powerful 32 MHz CPU and 128 Kbytes of Flash memory, this MCU is ideal for a wide range of embedded systems, from consumer electronics to industrial automation. Its compact LQFP package and robust feature set, including USB connectivity, make it an excellent choice for developers seeking to optimize power consumption

  • Competitive pricing from verified sources
  • Sample to production quantities
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