MMA6855LKCWR2

Product Overview

Category

The MMA6855LKCWR2 belongs to the category of accelerometers, specifically a MEMS (Micro-Electro-Mechanical Systems) accelerometer.

Use

This accelerometer is designed to measure acceleration along three orthogonal axes, making it suitable for applications such as motion detection, tilt sensing, and vibration monitoring.

Characteristics

• Small form factor
• Low power consumption
• High sensitivity and accuracy
• Wide operating temperature range
• Digital output interface

Package

The MMA6855LKCWR2 is available in a surface-mount package, typically provided in tape and reel packaging for ease of handling during manufacturing and assembly processes.

Essence

The essence of this product lies in its ability to provide precise and reliable acceleration measurements in a compact and energy-efficient manner.

Packaging/Quantity

The accelerometer is typically supplied in reels containing a specific quantity, such as 2500 units per reel.

Specifications

• Operating Voltage: 1.71V to 3.6V
• Sensing Range: ±2g, ±4g, ±8g, or ±16g
• Output Interface: I2C/SPI
• Operating Temperature: -40°C to +85°C
• Dimensions: 3mm x 3mm x 1mm

Detailed Pin Configuration

The MMA6855LKCWR2 features a standard pin configuration with connections for power supply, ground, and communication interfaces. The detailed pinout can be found in the product datasheet.

Functional Features

• Three-axis acceleration measurement
• Digital output for easy interfacing with microcontrollers
• Built-in self-test functionality
• Low-power modes for battery-operated applications

Advantages and Disadvantages

Advantages

• High accuracy and resolution
• Compact size for integration into small devices
• Wide operating temperature range
• Low power consumption

Disadvantages

• Limited maximum sensing range compared to some other accelerometers
• Requires careful PCB layout and noise management for optimal performance

Working Principles

The MMA6855LKCWR2 utilizes MEMS technology to detect changes in capacitance caused by acceleration. These changes are then converted into digital signals using an internal analog-to-digital converter, providing accurate acceleration data along the X, Y, and Z axes.

Detailed Application Field Plans

Automotive

In automotive applications, the MMA6855LKCWR2 can be used for vehicle stability control, rollover detection, and impact sensing systems.

Consumer Electronics

In consumer electronics, this accelerometer can enable features such as screen rotation, gaming control, and gesture recognition in smartphones and tablets.

Industrial Monitoring

For industrial monitoring, the device can be utilized in equipment health monitoring, structural health monitoring, and predictive maintenance systems.

Detailed and Complete Alternative Models

• ADXL345
• LIS3DH
• KX022

In conclusion, the MMA6855LKCWR2 offers a compact and reliable solution for measuring acceleration across three axes, making it suitable for a wide range of applications in various industries.

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