ICM-42607-C | The ICM-42607-C is a consumer-grade, high-performance 6-axis MEMS IMU inertial sensor produced by TDK InvenSense (Ying Meisheng). It features a single-chip integration of a 3-axis gyroscope and a 3-axis accelerometer.

I. Basic Overview

The ICM-42607-C is a consumer-grade, high-performance 6-axis MEMS IMU inertial sensor produced by TDK InvenSense (Ying Meisheng). The single-chip integration of a 3-axis gyroscope and 3-axis accelerometer emphasizes ultra-low noise, low power consumption, and high stability. Specifically designed for battery-powered devices such as wearable electronics and TWS earbuds, it represents the mainstream solution for consumer-grade motion sensing.

Appearance and Packaging

Package: LGA-14

Dimensions: 2.5mm × 3.0mm × 0.76mm, ultra-thin micro-patch, saving PCB space.

Form: Square, flat, leadless package with 14 pads at the bottom and no exposed leads, suitable for high-density SMT mounting.

Shock resistance: Can withstand up to 20,000g of impact, resisting zero-point drift caused by vibration and PCB bending.

II. Core Electrical and Sensor Parameters

form

project

Specifications

Accelerometer

±2 / ±4 / ±8 / ±16g programmable range, 16-bit output, noise 100μg/√Hz

gyroscope

±250 / ±500 / ±1000 / ±2000 dps programmable range, 16-bit output, noise 7 mV/√Hz.

Supply voltage

VDD：1.71~3.6V；VDDIO: 1.71~3.6V, compatible with low-voltage MCUs

electric consumption

6-axis low-noise operation: 0.55 mA;Standby: 3.5μA, supports motion wake-up.

Communication interface

Three interfaces are optional: I³C (12.5 MHz), I²C (1 MHz), and SPI (24 MHz).

On-chip cache

2.25KB FIFO reduces the frequency of MCU reads, thereby lowering the main controller's load.

Built-in engine

APEX Motion Processing Engine, directly outputs motion events via hardware.

Operating temperature

-40℃ ~ +85℃

3. Built-in APEX Motion Algorithm Function (implemented in on-chip hardware, eliminating the need for MCU computation)

Pedometer, step count detection

Tilt detection, free fall detection.

Low-G detection, significant motion detection

Motion Wake-up WOM: Enters sleep mode when stationary, automatically wakes up upon detecting motion, significantly extending battery life.

Two programmable interrupt output pins, providing event-triggered notifications to the main controller.

IV. Application Scenarios

Wearable devices: smartwatches, fitness trackers, and activity bands, which monitor steps taken, posture, and sleep patterns.

Audio devices: TWS Bluetooth headphones, head posture detection, wear detection, gesture recognition, wear detection, and gesture recognition.

IoT handheld devices: handheld barcode scanners, portable remote controls

VR/AR Accessories: Simple Pose Tracking, Remote Controller

Small gimbal, drone-assisted attitude perception

V. Analysis of Strengths and Weaknesses

✅ advantage

Top-tier noise level within its class, minimal temperature drift, and excellent long-term orientation drift control.

I3C high-speed interface, balancing high-speed transmission with low power consumption, is the top choice for next-generation wearable devices.

Hardware APEX Engine, which places algorithms such as step counting and wake-up functions inside the sensors, thereby reducing the workload on the MCU.

Compact in size and impact-resistant, with well-controlled SMT reflow welding offset and high mass production yield.