MPU-9250 MPU-9250 9-Axis MEMS MotionTracking Sensor by InvenSense
MPU-9250 9-axis MEMS MotionTracking sensor with integrated gyroscope, accelerometer, magnetometer, DMP, I²C/SPI interface, and 3 × 3 × 1 mm QFN package.
The MPU-9250 is a compact 9-axis MotionTracking device from InvenSense, integrating a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer, and Digital Motion Processor™ (DMP) into a small 3 × 3 × 1 mm QFN package. Designed for space-constrained motion-sensing applications, it supports complete 9-axis MotionFusion™ output through an integrated sensor architecture and dedicated auxiliary I²C interface.
With programmable gyro ranges of ±250, ±500, ±1000, and ±2000°/s, accelerometer ranges of ±2g, ±4g, ±8g, and ±16g, and a magnetometer range of ±4800 µT, the MPU-9250 is suitable for both fast dynamic motion tracking and lower-speed orientation sensing. It also features 16-bit ADCs for gyroscope and accelerometer outputs, a 14-bit magnetometer output, programmable digital filters, FIFO buffering, interrupt functions, and low-power operating modes.
Key Features
| Feature | Description |
|---|---|
| Sensor Type | 9-axis MotionTracking IMU |
| Integrated Sensors | 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer |
| Gyroscope Range | ±250, ±500, ±1000, ±2000°/s |
| Accelerometer Range | ±2g, ±4g, ±8g, ±16g |
| Magnetometer Range | ±4800 µT |
| Gyroscope ADC | 16-bit |
| Accelerometer ADC | 16-bit |
| Magnetometer Resolution | 14-bit, 0.6 µT/LSB |
| Digital Motion Processor | Integrated DMP |
| Interfaces | I²C and SPI |
| I²C Speed | 400 kHz Fast Mode |
| SPI Speed | 1 MHz for all registers; up to 20 MHz for sensor and interrupt register reads |
| Supply Voltage | VDD: 2.4 V to 3.6 V; VDDIO: 1.71 V to VDD |
| FIFO | 512-byte FIFO buffer |
| Package | 3 × 3 × 1 mm QFN |
| Operating Temperature | -40°C to +85°C |
| Shock Tolerance | 10,000 g |
Product Description
The MPU-9250 is a highly integrated 9-axis MEMS motion sensor designed for embedded systems that require accurate motion detection, orientation tracking, gesture recognition, and navigation support. By combining a triple-axis gyroscope, triple-axis accelerometer, AK8963 3-axis magnetometer, and onboard Digital Motion Processor™ in one compact package, the device helps simplify system design and reduce the need for multiple discrete motion sensors.
Its programmable full-scale ranges allow engineers to tune the device for different motion profiles. The gyroscope supports ranges up to ±2000°/s, making it suitable for fast rotation tracking, while the accelerometer supports up to ±16g for broader motion and impact sensing. The integrated magnetometer provides a ±4800 µT measurement range for compass and heading-related applications.
For system-level flexibility, the MPU-9250 supports both I²C and SPI serial interfaces, a separate VDDIO supply for logic-level compatibility, and an auxiliary I²C master interface for connecting external sensors such as pressure sensors. Its FIFO buffer and programmable interrupts help reduce host processor workload, while wake-on-motion functionality supports low-power application designs.
Applications
- Location-based services and dead reckoning
- Wearable health, fitness, and sports sensors
- Handheld and portable gaming devices
- Motion-based game controllers
- 3D remote controls and 3D mice
- Drones, robotics, and motion-control systems
- Navigation and orientation tracking modules
- Embedded IoT motion-sensing devices
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | InvenSense |
| Part Number | MPU-9250 |
| Product Type | 9-axis MotionTracking device |
| Package | QFN |
| Package Size | 3 × 3 × 1 mm |
| Gyroscope Full-Scale Range | ±250 / ±500 / ±1000 / ±2000°/s |
| Gyroscope Output Data Rate | 4 Hz to 8000 Hz |
| Accelerometer Full-Scale Range | ±2g / ±4g / ±8g / ±16g |
| Accelerometer Output Data Rate | 0.24 Hz to 500 Hz low-power; 4 Hz to 4000 Hz low-noise |
| Magnetometer Full-Scale Range | ±4800 µT |
| Magnetometer Resolution | 14-bit |
| VDD Supply | 2.4 V to 3.6 V |
| VDDIO Supply | 1.71 V to VDD |
| 9-Axis Current | 3.7 mA typical without DMP |
| Accelerometer Low-Power Current | 8.4 µA at 0.98 Hz; 19.8 µA at 31.25 Hz |
| Idle / Sleep Current | 8 µA |
| Operating Temperature | -40°C to +85°C |
| FIFO Buffer | 512 bytes |
| Package Marking | MP92 |
Summary
The MPU-9250 is a compact 9-axis IMU for motion tracking, orientation sensing, wearable devices, gaming controllers, portable electronics, and embedded navigation systems. Its combination of programmable gyro and accelerometer ranges, integrated magnetometer, DMP support, low-power modes, and I²C/SPI interfaces makes it a flexible motion-sensing solution for high-density electronic designs.
Specification: MPU-9250 9-Axis MEMS MotionTracking Sensor by InvenSense
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