What are the key features of STMicroelectronics STM32L431KBU3?

This product belongs to the ARM Microcontrollers - MCU category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by STMicroelectronics with full traceability.

What are the main application scenarios for STM32L431KBU3?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does STM32L431KBU3 work?

This device follows established ARM Microcontrollers - MCU design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of STM32L431KBU3?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for STM32L431KBU3?

The global ARM Microcontrollers - MCU market is growing at ~6-8% CAGR, with particularly strong demand in power management. STMicroelectronics STM32L431KBU3 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of STM32L431KBU3?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, STMicroelectronics provides full technical support and reference designs.

STM32L431KBU3 ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash by STMicroelectronics

STM32L431KBU3 | STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Category: ARM Microcontrollers - MCU

Brand: STMicroelectronics

ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Stock: On request

Inquire Now

Product Details

PDF Datasheet

Technical Docs

Description: ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash

Technical Parameters

Application	General Purpose
Brand	STMicroelectronics
Category	ARM Microcontrollers - MCU
Data Tier	Family Level
Description	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash
Lead Free	Yes
Manufacturer	STMicroelectronics
Mounting Type	Surface Mount
Operating Temperature	-40 to +125 C
Packaging	Tray
Product Type	IC
RoHS	Compliant
Series	STM
Standard Pack Qty	2940

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

Datasheet not available online yet.

Can't find the datasheet you need? Contact our sourcing team and we'll help locate the official documentation from the manufacturer or our supply channels.

Request now →

PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

STM32L431KBU3 Application and Selection Guide

STM32L431KBU3 Model and Manufacturer Information

STM32L431KBU3, a ARM Microcontrollers - MCU manufactured by STMicroelectronics: STM32L431KBU3 helps you confirm the specific model, while STMicroelectronics helps you confirm the product source. If you are selecting a part, you can first check whether STM32L431KBU3 meets your requirements, then check whether STMicroelectronics matches your expectations, and then refer to ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash for further evaluation.

STM32L431KBU3 Product Parameters and Description

The main parameters of STMicroelectronics's ARM Microcontrollers - MCU product STM32L431KBU3 include ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 128 Kbytes of Flash. This is a ARM Microcontrollers - MCU produced by STMicroelectronics, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

STM32L431KBU3 Application and Selection Reference

STMicroelectronics's ARM Microcontrollers - MCU product STM32L431KBU3 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, STM32L431KBU3 is a ARM Microcontrollers - MCU solution worth considering, and manufacturer STMicroelectronics provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for STM32L431KBU3

Designers looking for STM32L431KBU3 recommended parts can evaluate the following options. STM32L431KBU3 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
STM8S001J3M3TR	STMicroelectronics	SO 08 .15 JEDEC
STM8AF6223PAX	STMicroelectronics	IC MCU 8BIT 8KB FLASH 20TSSOP
STM32F103ZGT6TR	STMicroelectronics	IC MCU 32BIT 1MB FLASH 144LQFP

EZKEY can provide STM32L431KBU3 recommended part comparison data and engineering samples for evaluation.