ICM‑42605, TDK‑InvenSense, 6‑Axis MEMS IMU Inertial Measurement Unit

Key Parameters

Axes: 6‑Axis (3‑Axis Gyroscope + 3‑Axis Accelerometer)

Package: LGA‑14, dimension 2.5×3.0×0.91 mm, lead‑less surface‑mount LGA package

Supply Voltage: 1.71V ~ 3.6V

Gyroscope Full‑Scale Range: ±15.625 ~ ±2000 dps, 8 programmable ranges; noise: 3.8 mdps/√Hz

Accelerometer Full‑Scale Range: ±2g / ±4g / ±8g / ±16g, 4 programmable ranges; noise: 70 µg/√Hz

Data Output: 16‑bit ADC

Communication Interfaces: I3C / I2C (1 MHz) / SPI (24 MHz)

FIFO Buffer: 2 KB, reduces MCU reading workload

Operating Temperature: ‑40℃ ~ +85℃ (Consumer‑grade, non‑automotive)

Shock Resistance: 20000 g; Moisture Sensitivity Level: MSL1

Power Consumption: Typical 0.65 mA in low‑noise mode; only 7.5 μA in standby mode

Main Functions

Output raw 3‑axis angular velocity and 3‑axis acceleration data for attitude solving and angle calculation.

Embedded APEX hardware algorithms: step counting, tap detection, tilt detection, motion wake‑up, significant motion detection, raise‑to‑wake.

Programmable digital filter and integrated on‑chip temperature sensor.

Configurable interrupt output to notify MCU upon event trigger.

Self‑test function for chip health diagnosis.

Applications

Consumer Wearables: Smart watches, bracelets, TWS earbuds, fitness devices.

AR/VR: VR headsets, game controllers, air‑mouse, attitude tracking.

Drones & Robots: Attitude sensing for small‑size drones, gimbals and miniature robots. (Consumer‑grade, not suitable for harsh high‑temperature industrial environments).

Smartphones & Tablets: Image stabilization, attitude detection.

IoT Devices: Indoor positioning, motion detection, posture recognition.