ICM-45866 | TDK InvenSense | Next-generation high-performance 6-axis MEMS IMU (3-axis gyroscope + 3-axis accelerometer) with BalancedGyro™ Balanced gyroscope architecture

ICM-45686 

✅ Core parameter table

form

project

parameter

to encapsulate

LGA-14, size 2.5 ×3.0 ×0.81 mm

ADC

18/19 high-precision output

Acceleration measurement range

± 2 g / ± 4 g / ± 8 g / ± 16 g / ± 32 g (software optional)

Gyroscope range

± 15.62 5 ~ ± 4000 dp s (multi-range optional, up to 4000dp s)

noise

Gyroscope: 3.8 mdps / √Hz; Accelerometer: 70 μg / √Hz

Temperature drift

Gyro ± 0.005°/s/°C;Acceleration ± 0.15 mg / ℃

Power supply voltage

1.71V ~ 3.6V

Operating temperature

-40℃ ~ +85℃

FIFO cache

8KB (much larger than the 2.25 KB of ICM4267)

Communication interface

Host interface: I3C (12,9MHz), I2C (1MHz), SPI (24MHz) AUX auxiliary interface: can be SPI slave (connected to OIS) or I2C master (external sensor)

interrupt

2-way programmable interrupt INT1/INT2

built-in

Temperature sensor, APEX hardware motion algorithm engine, external RTC clock input

Anti-impact

20000g

electric consumption

Low noise mode: 0.42m A; Low power 6-axis mode: 0.22m A

Moisture sensitivity level

MSL1 (infinite workshop life, welding does not require anti-moisture control)

✅Core highlights of the product

BalancedGyro™ Compared with traditional IMU, the balance gyroscope architecture has greatly improved anti-vibration ability, minimal temperature drift, is not sensitive to PCB bending and SMT welding stress, solves the pain point of vibration-induced offset in consumer IMU, and is suitable for high-stability scenarios such as AR/VR head tracking and camera stabilization TDK InvenS...。

The dual interface architecture UI+AUX is the biggest feature of ICM45668. The host interface is connected to the MCU; The AUX auxiliary port can be directly connected to the OIS anti-shake drive chip as a SPI slave, or as an I2C master to mount other sensors, saving the master's IO resources, and is the preferred choice for camera applications.

The ultra-large 8KB FIFO can cache a large amount of sampling data, the MCU does not need to read at a high frequency, significantly reduces the main control power consumption, suitable for high sampling rate attitude tracking.

APEX hardware motion algorithm on-chip hardware implementation: step counting, tilt detection, click / double click, wrist lift wake-up, motion wake-up WOM, free fall, high G / low G detection, event direct interrupt output, reducing MCU computational burden TDK InvenS...。

The MSL1 moisture-sensitive grade ordinary IMU (such as ICM42617) is MSL3, which requires moisture-proof storage; ICM45668 is MSL1, the workshop can directly paste, production control is simpler.

✅Typical application scenarios

AR/VR glasses, VR full-body tracking equipment (low noise, low drift)

TWS high-end earphone, smart watch band

Mobile phone / camera OIS optical stabilization

Game controller, remote control, motion sensing

High-speed motion object posture acquisition (up to 4000 dps gyroscope range)

✅ICM-45668 VS ICM-45207-C comparison (your previous model)

form

Comparison item

ICM-45686

ICM-42607-C

Gyro noise

3.8 mdps/√Hz

7 mdps/√Hz

Acceleration noise

70 μg / √Hz

100 μ g / √ Hz

FIFO

8KB

2.25KB

Maximum gyro range

4000 dps

2000 dps

AUX auxiliary interface

Supports (OIS / I2C host)

nothing

Moisture sensitivity level

MSL1

MSL3

Temperature drift performance

Better

ordinary

Power consumption LP mode

0.22mA

0.55mA

Location

High-end and high-performance

Mainstream consumer level

For technical and commercial advice, please contact: 182779868089