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ICM-42605

ICM-42605

TDK InvenSense
Accelerometer, Gyroscope, 6 Axis Sensor I2C, I3C, SPI Output
Active
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Overview

The ICM-42605 is a high-performance 6-axis MotionTracking device that combines a 3-axis gyroscope and a 3-axis accelerometer in a compact 2.5mm x 3mm LGA package. It features an advanced APEX motion processing engine that offloads gesture recognition and activity classification from the host processor to reduce system power consumption. The device supports multiple digital interfaces including I3C, I2C, and SPI, with a dedicated VDDIO pin for flexible voltage interfacing.

Why Choose This Part

The ICM-42605 offers exceptional shock tolerance up to 20,000 g and a low-noise 6-axis run current of only 0.65mA. Its support for the I3C interface allows for higher data rates and improved power efficiency compared to standard I2C, while the internal APEX engine significantly reduces host processor overhead for common motion gestures.

Applications

Wearable Activity Trackers
Utilizes the integrated APEX engine for low-power pedometer, tilt detection, and tap recognition functionality.
Robotic Stabilizing Systems
Provides high-resolution 6-axis data with user-programmable digital filters for precise motion control and balance.
Virtual Reality (VR) Controllers
Delivers low-latency motion tracking with support for EIS FSYNC to synchronize sensor data with external events.
IoT Motion Sensing
Enables wake-on-motion and significant motion detection to keep the main system MCU in deep sleep until an event occurs.

Key Specifications

Contents Board(s)
Embedded No
Interface I2C, I3C, Serial, SPI
Sensitivity 16384LSB/g, 8192LSB/g, 4096LSB/g, 2048LSB/g, 131LSB/dps, 65.5LSB/dps, 32.8LSB/dps, 16.4LSB/dps, 2097.2LSB
Sensor Type Accelerometer, Gyroscope
Sensing Range +/-2g, 4g, 8g, 16g, +/-15.625deg/sec, +/-31.25deg/sec, +/-62.5deg/sec, +/-125deg/sec, +/-250deg/sec, +/-500deg/sec, +/-1000deg/sec, +/-2000deg/sec
Voltage - Supply 1.71V ~ 3.6V
Utilized IC / Part ICM-42605

Getting Started

Engineers can evaluate the sensor using the TDK InvenSense DK-42605 development kit. Communication is established via SPI or I2C/I3C registers; start by configuring the PWR_MGMT0 register to enable the gyroscope and accelerometer, then set the ODR and FSR in the ACCEL_CONFIG0 and GYRO_CONFIG0 registers.

Also Consider

BMI270 Bosch Sensortec - A popular ultra-low power IMU with integrated wearable features and similar 2.5mm x 3mm footprint.
LSM6DSOX STMicroelectronics - Offers an embedded finite state machine and machine learning core for advanced edge processing of motion data.
ICM-20948 TDK InvenSense - An alternative for designs requiring an integrated 3-axis compass for full 9-axis sensor fusion.

Categories

Sensors > IMU & Accelerometers