IMU 10DOF - MPU9150 gyro & accelerometer & magnetometer + MS5611 altimeter

The MPU-9150™ is the world’s first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors.

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The MPU9150 is a System in Package (SiP) that combines two chips: the MPU-6050, which contains a 3-axis gyroscope, 3-axis accelerometer, and an onboard Digital Motion Processor™ (DMP™) capable of processing complex 9-axis MotionFusion algorithms; and the AK8975, a 3-axis digital compass.

The part’s integrated 9-axis MotionFusion algorithms access all internal sensors to gather a full set of sensor data. The part is offered in a 4x4x1mm LGA package and is upgrade-compatible with the MPU-6050™ integrated 6-axis MotionTracking device, providing a simple upgrade path and making it easy to fit on space constrained boards. For precision tracking of both fast and slow motions, the parts feature a user-programmable gyro full-scale range of ±250, ±500, ±1000, and ±2000°/sec (dps), a user-programmable accelerometer full-scale range of ±2g, ±4g, ±8g, and ±16g, and compass with a full scale range of ±1200µT.

The MS5611-01BA is a new generation of high resolution altimeter sensors from MEAS Switzerland with SPI and I²C bus interface. It is optimized for altimeters and variometers with an altitude resolution of 10 cm. The sensor module includes a high linearity pressure sensor and an ultra low power 24 bit ΔΣ ADC with internal factory calibrated coefficients. It provides a precise digital 24 Bit pressure and temperature value and different operation modes that allow the user to optimize for conversion speed and current consumption. A high resolution temperature output allows the implementation of an altimeter/thermometer function without any additional sensor.

Features MS5611

High resolution module, 10cm

Low power, 1 μA (standby < 0.15 μA)

Integrated digital pressure sensor (24 bit ΔΣ ADC)

I²C and SPI interface up to 20 MHz

No external components (Internal oscillator) size 16 mm x 18 mm

VDD Supply voltage range of 3.3V–5V

Features MPU9150

Digital-output of 9-axis MotionFusion data in rotation matrix, quaternion, Euler Angle, or raw data format

Tri-Axis angular rate sensor (gyro) with a sensitivity up to 131 LSBs/dps and a full-scale range of ±250, ±500, ±1000, and ±2000dps

Tri-Axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g

Tri-axis compass with a full scale range of ±1200µT

Reduced settling effects and sensor drift by elimination of board-level cross-axis alignment errors between accelerometers and gyroscopes

Digital Motion Processing™ (DMP™) engine offloads complex MotionFusion, sensor timing synchronization and gesture detection

Embedded algorithms for run-time bias and compass calibration. No user intervention required

Digital-output temperature sensor

Programmable interrupt supports gesture recognition, panning, zooming, scrolling, free fall interrupt, high-G interrupt, zero-motion detection, tap detection, and shake detection

400kHz Fast Mode I²C serial host interface On-chip timing generator with ±1% frequency variation over full temperature range

RoHS and Green compliant

VDD Supply voltage range of 3.3V–5V

Logic level converter on board

I2C address of sensors:

MS5611 -> 119

MPU9150 -> 0x69

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