Manufacturer Part Number

STM32L451VCI6

Description

32-bit ARM Cortex-M4 microcontroller. 256KB flash memory. 100-pin UFBGA package (7x7mm). Suitable for low-power embedded applications. Integrated digital and analog peripherals. Supports multiple connectivity options.

Specifications

Core processor: ARM Cortex-M4, single-core

Core size: 32-bit

Operating frequency: 80 MHz

Flash memory: 256KB

RAM: 160KB

I/O pins: 83

Supply voltage: 1.71V to 3.6V

Operating temperature: -40°C to 85°C

Package: 100-UFBGA (7x7mm)

Mounting: Surface mount

Data converters: 16-channel 12-bit ADC, 1-channel 12-bit DAC

Connectivity: CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART

Peripherals: Brown-out detect/reset, DMA, PWM, WDT

RoHS status: ROHS3 compliant

Moisture sensitivity level: MSL 3 (168 hours)

REACH status: Unaffected

Device Structure

100-pin UFBGA package, Ball Grid Array layout for compact footprint

Single-core processor architecture

Integrated analog and digital peripherals

Supports surface mount assembly

Performance Characteristics

Low-power operation with energy-efficient features

Fast processing at 80MHz

Reliable flash memory for program storage

Extended RAM allows for advanced program management

Multiple communication interfaces for versatility

Wide temperature range for industrial use

High pin-count allows for complex designs

Application Environments

Industrial control equipment

Medical devices

Wearable electronics

Consumer embedded systems

IoT sensor nodes

Battery-powered portable devices

Building automation systems

Automotive subsystems requiring low power

Selection Guidelines

Choose this model if your design requires moderate to high computing power with low energy consumption

Suitable for applications needing extensive connectivity options

Ideal for compact designs requiring high pin count

Matches well with surface mount production processes

Verify power supply compatibility (1.71V to 3.6V)

Check RAM and FLASH size suitability for your application

Usage Considerations

Ensure PCB layout accommodates 100-UFBGA (7x7mm)

Beware of moisture sensitivity (MSL 3 – 168 hours) during assembly

Confirm peripheral compatibility with the targeted application

Observe operating temperature range for end-use environment

Take advantage of integrated ADC/DAC for signal processing tasks

Use built-in DMA for optimized data transfers

Potential Equivalent/Replacement Models

There are alternative models within the STM32L4 series, such as STM32L451VCT6, STM32L452VCI6, STM32L476VGT6, STM32L432KC, and STM32L4A6VGJ6.

Alternative models from similar series: STM32F4 series (e.g., STM32F446VC) offer higher performance but may have different power profiles.

If equivalent or fully compatible alternatives are required, please contact our Ariat-Tech sales team for detailed support and specific model suggestions tailored to your application.

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