MMA8451QR1

The MMA8451QR1 is a digital accelerometer featuring a ±2g/±4g/±8g dynamic selectable full-scale range. It is designed to provide high-precision motion and tilt sensing for various applications, including automotive, industrial, and consumer electronics.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Power supply input
• GND: Ground connection
• INT1: Interrupt output 1
• INT2: Interrupt output 2
• SDA: I2C serial data
• SCL: I2C serial clock

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the MMA8451QR1 accelerometer for a visual representation.

Key Features

• High Precision: Provides high-precision motion and tilt sensing with multiple selectable full-scale range options.
• Low Power Consumption: Features low-power operation, making it suitable for battery-powered devices.
• Digital Output: Delivers data through a digital interface, enabling easy integration with microcontrollers and other digital systems.
• Integrated Motion Detection: Includes built-in motion detection and interrupt features for efficient motion-based applications.
• Compact Package: Available in a space-saving QFN package, ideal for space-constrained designs.

Note: For detailed technical specifications, please refer to the MMA8451QR1 datasheet.

Application

• Automotive Safety Systems: Suitable for use in automotive applications for impact and tilt detection.
• Industrial Machinery Monitoring: Used in industrial settings for monitoring equipment vibration and orientation.
• Consumer Electronics: Integrated into consumer devices for screen orientation, gaming, and activity tracking.

Functionality

The MMA8451QR1 is a digital accelerometer designed to accurately sense and measure motion and tilt in various applications. Its digital output and integrated features make it a reliable choice for motion sensing applications.

Usage Guide

• Power Supply: Connect VDD (Pin 1) to the power supply voltage and GND (Pin 2) to ground.
• Interfacing: Use the I2C interface (SDA and SCL pins) to communicate with microcontrollers or other digital devices.
• Interrupt Handling: Utilize the INT1 and INT2 pins for interrupt-based motion detection applications.

Frequently Asked Questions

Q: What is the maximum full-scale range supported by the MMA8451QR1?
A: The MMA8451QR1 offers a selectable full-scale range of ±2g, ±4g, or ±8g, providing flexibility for different motion sensing requirements.

Q: Is the MMA8451QR1 suitable for low-power applications?
A: Yes, the MMA8451QR1 features low power consumption, making it suitable for battery-powered devices and applications requiring motion sensing.