TDK InvenSense ICM-20948 Low Power 9-Axis MEMS Motion Tracking Device Sensor Module
The TDK InvenSense ICM-20948 is a low-power 9-axis MEMS motion tracking device integrating a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer. Operating from 1.71-3.6V, it supports SPI and I2C interfaces for seamless integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32 for advanced motion sensing applications.
Features
- Ultra-low power consumption of 2.5 mW for battery-sensitive designs.
- 9-axis sensor fusion: 3-axis gyro (±2000 dps), 3-axis accelerometer (±16g), and 3-axis magnetometer (±4900 µT).
- Integrated Digital Motion Processor (DMP) for onboard sensor fusion and advanced motion processing.
- Dual digital interfaces: high-speed SPI (7 MHz) and I2C (400 kHz) for flexible system integration.
- Hermetically sealed MEMS structure ensures long-term stability and reliability in varying environments.
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The ICM-20948 is a monolithic 9-axis inertial measurement unit (IMU) employing advanced MEMS fabrication for high-precision motion tracking. Its integrated 16-bit ADCs provide high-resolution data for each sensing axis, while the onboard Digital Motion Processor (DMP) offloads complex sensor fusion algorithms from the host microcontroller, reducing system power and computational load.
Designed for operation from 1.71V to 3.6V, this sensor is ideal for portable and wearable electronics. The hermetically sealed package protects the MEMS elements from environmental contaminants, ensuring consistent performance across an extended operating temperature range. Its programmable full-scale ranges allow designers to optimize the sensor for specific application requirements, from subtle gesture recognition to high-dynamic motion capture.
Additional Information
| Weight | 0.002 kg |
|---|---|
| Dimensions | 2.7 × 1.5 × 0.4 cm |
