MPU-6881

Images are for reference only

MPU-6881

+BOM

6-AXIS MEMS MOTIONTRACKING DEVIC

  • ManufacturerTDK InvenSense

  • Mfr. Part #MPU-6881

  • In Stock25514

365 Days Quality Guarantee

7*24 hours service quarantee

90-day after-sales guarantee

Genuine Product Guarantee

Specifications

Attribute Value
Part Status Obsolete
Sensor Type Accelerometer, Gyroscope, 6 Axis
Output Type I2C, SPI
Operating Temperature -40°C ~ 85°C
Package / Case 24-VFQFN Module Exposed Pad
Supplier Device Package 24-QFN (3x3)
Mounting Type Surface Mount
Packaging Tape & Reel (TR)

Overview

Description

The MPU-6881 is a highly integrated six-axis motion tracking device that combines a 3-axis gyroscope and a 3-axis accelerometer on a single chip. It is part of InvenSense's MotionTracking device family, designed for applications in smartphones, tablets, wearable devices, and IoT gadgets where motion sensing is crucial. The device is compact and energy-efficient, making it ideal for battery-powered applications.
The MPU-6881 features a digital motion processor (DMP) that offloads intensive computations from the host processor, providing motion data in a highly efficient manner. It supports I2C and SPI communication interfaces, allowing for easy integration with microcontrollers and other digital systems. The gyroscope and accelerometer provide high precision and stability, which are essential for applications like gesture recognition, gaming, augmented reality, and optical image stabilization.
Overall, the MPU-6881 offers a robust solution for motion sensing, with its small size, low power consumption, and high performance, enabling developers to incorporate sophisticated motion tracking capabilities into their products.

Equivalent

The MPU-6881 is a 6-axis motion tracking device from InvenSense. Equivalent products include:
1. MPU-6050 - Another 6-axis device from InvenSense.
2. MPU-6500 - Offers similar functionality with improvements.
3. LSM6DS3 - A 6-axis IMU from STMicroelectronics.
4. ICM-20608 - A similar 6-axis device from TDK InvenSense.
5. BNO055 - A 9-axis sensor from Bosch, offering additional features.
These alternatives offer similar motion tracking capabilities.

Features

The MPU-6881 is a motion tracking device designed for a variety of applications. Key features include:
1. 3-Axis Gyroscope: Measures angular velocity, crucial for detecting rotational motion and orientation.
2. 3-Axis Accelerometer: Detects linear motion, which is vital for tracking speed, direction, and identifying changes in position.
3. Digital Motion Processor (DMP): Offloads complex motion processing tasks, allowing for more efficient and accurate motion tracking without burdening the main processor.
4. I2C and SPI Interfaces: Offers flexible communication protocols, facilitating easy integration with a variety of microcontrollers and processors.
5. 16-bit ADCs: High-resolution analog-to-digital converters ensure precise measurement of analog signals from sensors.
6. Low Power Consumption: Designed for battery-powered applications, extending device operation time.
7. Temperature Sensor: Provides additional data for compensating sensor readings against temperature changes.
8. Compact Package: Small form factor makes it suitable for compact and space-constrained applications.
9. Wide Range of Operating Temperatures: Ensures reliable performance across diverse environmental conditions.
These features make the MPU-6881 ideal for applications in consumer electronics, IoT devices, robotics, and more.

Pinout

The MPU-6881 is a 6-axis motion tracking device developed by InvenSense. It combines a 3-axis gyroscope and a 3-axis accelerometer. The MPU-6881 is often used in applications requiring low power and high performance for motion sensing.
Pin Count and Functions:
1. VDD: Power supply.
2. VDDIO: I/O supply voltage.
3. GND: Ground.
4. SCL: I2C clock input.
5. SDA: I2C data input and output.
6. AD0: I2C Slave Address LSB (selects between two addresses).
7. FSYNC: Frame synchronization digital input.
8. INT: Interrupt digital output.
The device supports I2C for communication with a microcontroller or other devices. It is widely used in applications like smartphones, tablets, wearable devices, and other electronic gadgets that require precise motion detection and orientation.

Manufacturer

The MPU-6881 is manufactured by TDK InvenSense. TDK InvenSense, a subsidiary of TDK Corporation, is a company specializing in the design and production of micro-electromechanical systems (MEMS) sensors. These sensors are widely used in consumer electronics, automotive, industrial, and IoT applications. TDK Corporation, headquartered in Japan, is a global leader in electronic solutions, providing a wide range of products, including electronic components, modules, and systems. TDK InvenSense's expertise centers around motion tracking devices, such as gyroscopes and accelerometers, which are integral to the functionality of the MPU-6881.

Application

The MPU-6881 is a motion tracking device combining a 3-axis gyroscope and a 3-axis accelerometer, often used in applications requiring motion sensing and orientation tracking. Common application areas include:
1. Consumer Electronics: Smartphones, tablets, and wearables for gesture recognition and enhanced user interfaces.
2. Gaming: Motion-based gaming controllers for immersive experiences.
3. Robotics: Autonomous navigation and stabilization for drones and robots.
4. Industrial: Machinery monitoring and control.
5. Automotive: Vehicle stability control systems and navigation.
6. Healthcare: Activity tracking in fitness devices and rehabilitation equipment.
Its compact size and low power consumption make it ideal for portable and battery-powered devices.

Package

The MPU-6881 is typically available in a QFN (Quad Flat No-leads) package type, which is compact and designed for surface mounting on printed circuit boards. This package allows for efficient thermal performance and electrical connectivity, suitable for integrating into various electronic devices.

Frequently Asked Questions


Q: What is the core function of the MPU-6881?
A: It is a 6-axis motion tracking device combining a 3-axis accelerometer and a 3-axis gyroscope for precise movement sensing.


Q: Is this sensor suitable for a new design project?
A: No, the part status is "Obsolete". It is recommended only for legacy system repairs or end-of-life projects.


Q: What communication interfaces does this module support?
A: It supports both I2C and SPI digital output interfaces for flexible microcontroller integration.


Q: What is the operating temperature range of the MPU-6881?
A: It operates reliably from -40°C to +85°C, suitable for industrial and consumer environments.


Q: What is the physical package of this component?
A: It comes in a 24-VFQFN module with an exposed pad, supplier package size is 3x3mm (24-QFN).


Q: Is this component available in tape and reel packaging?
A: Yes, it is packaged in Tape & Reel (TR), suitable for automated SMT assembly.


Q: Can this sensor be mounted on a PCB surface?
A: Yes, it supports Surface Mount Technology (SMT) mounting.