SKU: SENS-1047
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TDK InvenSense ICM-20948 Low Power 9-Axis MEMS Motion Tracking Device Sensor Module

₹789.00 (Inclusive of all taxes)
Out of Stock

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.

Out of stock

Description

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.

Key Features

  • Comprehensive 9-axis motion tracking in a single 3x5mm QFN package.
  • Programmable full-scale ranges for gyroscope (±250 to ±2000 dps) and accelerometer (±2g to ±16g).
  • On-chip 16-bit analog-to-digital converters (ADCs) for each sensor channel.
  • Integrated temperature sensor for calibration and thermal compensation.
  • Advanced Digital Motion Processor (DMP) enables features like gesture recognition, pedometry, and 6/9-axis sensor fusion.
  • Dual communication protocol support: SPI up to 7 MHz and I2C up to 400 kHz Fast Mode.
  • Ultra-low power operation (2.5 mW typical) extends battery life in portable applications.
  • Robust, hermetically sealed MEMS structure ensures high reliability and shock resistance.

Applications

  • Wearable fitness trackers and advanced sports performance monitoring systems.
  • Augmented Reality (AR) and Virtual Reality (VR) headset orientation tracking.
  • Robotics and drone navigation for stabilization and inertial measurement.
  • Industrial equipment condition monitoring and predictive maintenance vibration sensing.
  • Smartphone and tablet screen orientation, gesture control, and gaming controllers.

Technical Specifications

Manufacturer Part NumberICM-20948
BrandTDK InvenSense
Sensor Type9-Axis IMU (Gyroscope, Accelerometer, Magnetometer)
Gyroscope Range±250, ±500, ±1000, ±2000 dps (Programmable)
Accelerometer Range±2g, ±4g, ±8g, ±16g (Programmable)
Magnetometer Range3-axis, up to ±4900 µT
Operating Voltage1.71 VDC to 3.6 VDC
Power Consumption2.5 mW (Typical)
Digital InterfacesSPI (up to 7 MHz), I2C (up to 400 kHz)
ADC Resolution16-bit
Onboard ProcessorDigital Motion Processor (DMP)
Additional SensorIntegrated Temperature Sensor
Package Type24-pin QFN (3x5x0.9mm)
Module Dimensions (LxWxH)Approx. 27 x 15 x 4 mm (with header)
WeightApprox. 2 g

Frequently Asked Questions

What is the primary advantage of the onboard Digital Motion Processor (DMP) in the ICM-20948?

The integrated Digital Motion Processor (DMP) offloads complex sensor fusion algorithms from the main host microcontroller. This significantly reduces system power consumption and CPU load, enabling features like gesture recognition, pedometry, and quaternion output without taxing the primary application processor.

What are the voltage requirements for the ICM-20948 sensor module?

The ICM-20948 operates from a supply voltage range of 1.71V to 3.6V DC. This makes it directly compatible with 3.3V logic systems common in modern microcontrollers (Arduino, ESP32, STM32) and ideal for battery-powered applications. Ensure your logic levels match if using a 5V system.

How do I communicate with the ICM-20948, and which interface is faster?

The module supports both SPI (up to 7 MHz) and I2C (up to 400 kHz) digital interfaces. SPI offers higher data throughput and is recommended for applications requiring fast, burst data reads. I2C is suitable for systems with limited GPIO pins. The interface is selected by configuring the module's AD0/SA0 pin.

Can the ICM-20948 be used for vibration monitoring or shock detection?

Yes, its programmable accelerometer range up to ±16g and high-output data rate capability make it suitable for monitoring vibrations and detecting shocks in industrial equipment or consumer electronics. The onboard DMP can be configured to generate interrupt signals based on specific motion thresholds, alerting the host system to events.

Package Includes

  • 1 x ICM-20948 9-Axis MEMS Motion Tracking Sensor Module
  • 1 x Set of Header Pins

Additional Information

Weight 0.002 kg
Dimensions 2.7 × 1.5 × 0.4 cm