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MPU-9150

Name: MPU-9150
Rating: 4.7 (12 reviews)

IMU ACCEL/GYRO/MAG I2C 24LGA

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仕様

Series	MotionTracking™
Part Status	Obsolete
Sensor Type	Accelerometer, Gyroscope, Magnetometer, 9 Axis
Output Type	I2C
Operating Temperature	-40°C ~ 85°C
Package	24-TFLGA Module
Supplier Device Package	24-LGA (4x4)
Mounting Type	Surface Mount
Packaging	Tape & Reel (TR)

概要

Description

The MPU-9150 is a 9-axis MEMS inertial measurement unit (IMU) from InvenSense. It combines a 3-axis accelerometer, a 3-axis gyroscope, and a 3-axis magnetometer, plus an on‑chip Digital Motion Processor (DMP) for sensor fusion. It can output raw data for all axes and fused orientation data (quaternions or Euler angles), and supports features like a FIFO buffer and data-ready interrupts. Communication is over I2C (and SPI on some variants), and it is designed for low power, compact packages. Typical uses include motion tracking and stabilization in drones, robotics, wearables, and AR/VR. Integration usually requires magnetometer and sensor calibration, configurable ranges and data rates, and availability of libraries and example code for common microcontrollers.

Features

Here are the main features of the MPU-9150:
- 9-axis MEMS sensor: 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer (built-in compass).
- On-chip Digital Motion Processor (DMP) for sensor fusion: outputs quaternion/orientation (yaw/pitch/roll), gravity vector, linear acceleration, and supports gesture/tap/tilt detection.
- FIFO buffer and interrupt interface for efficient data handling.
- I2C interface (up to 400 kHz); optional I2C master to talk to the magnetometer.
- Lightweight, single-chip solution with low power modes.
- 16-bit data resolution for all sensors; configurable full-scale ranges (accel, gyro; mag).
- Wide operating voltage: typically 2.4–3.6 V; operating temperature range −40 to +85 °C.
- Compact package (small QFN form factor) suitable for mobile/embedded applications.

Package

24-pin LGA (leadless) package, about 4×4 mm.

Pinout

- Pin count: 24 pins (24‑lead LGA/QFN package, typical 3×3 mm footprint).
- Primary functions: 9-axis inertial sensor (3‑axis gyro + 3‑axis accelerometer + 3‑axis magnetometer via onboard AK8975), on‑chip DMP for sensor fusion, auxiliary I2C master to read the magnetometer.
- Typical pin roles (summary): power (VDD/VLOGIC/VIO), ground (GND), primary bus (I2C: SDA, SCL; or SPI: SCLK, MOSI, MISO, CS), auxiliary I2C lines for external/magnetometer (XDA/XCL), interrupt (INT), FSYNC (frame sync), AD0/SDO (I2C address or SPI data out select), and several NC/ground/package thermal pads.

Manufacturer

Manufacturer: InvenSense. It is a fabless semiconductor company that designs MEMS motion sensors (accelerometers, gyroscopes, magnetometers) for consumer electronics; it’s now a subsidiary of TDK.

Application

MPU-9150 applications include: smartphone/tablet motion sensing, drone/UAV flight stabilization and navigation, robotics orientation and IMU fusion, VR/AR head and controller tracking, wearables for activity tracking and gesture recognition, gaming motion controllers, automotive inertial navigation and stability control, camera gimbals and image stabilization, and IoT motion monitoring.

Equivalent

Equivalent 9-DOF IMUs to MPU-9150 include:
- MPU-9250 (direct InvenSense successor; same interface)
- ICM-20948 (InvenSense/TDK; newer 9-DOF)
- ST LSM9DS1 (9-DOF from STMicroelectronics)
- Bosch BNO055 (9-DOF with onboard fusion/orientation engine)
These are common drop-ins for accelerometer, gyroscope, and magnetometer in 9-axis applications.