ICM42688

6-Axis MEMS MotionTracking Sensor

The ICM42688 is a 6-axis mems motiontracking sensor from TDK-InvenSense. View the full ICM42688 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Manufacturer

TDK-InvenSense

Key Specifications

Parameter	Value
Shock Tolerance	20,000g for 0.2 ms
FIFO Buffer Size	2 kB
Package Dimensions	2.5x3x0.91 mm
Gyroscope Noise Density	2.8 mdps/√Hz
Communication Interfaces	I3C (up to 12.5 MHz), I2C (up to 1 MHz), SPI (up to 24 MHz)
Gyroscope Full-Scale Range	±15.625 dps to ±2000 dps
Supply Voltage Range (VDD)	1.71V to 3.6V
Accelerometer Noise Density	70 μg/√Hz
Operating Temperature Range	-40°C to +85°C
Accelerometer Full-Scale Range	±2 g to ±16 g
Digital IO Supply Voltage Range (VDDIO)	1.71V to 3.6V
Operating Current (6-Axis Low-Noise Mode)	0.88 mA

Overview

Part: ICM-42688-P — TDK-Invensense

Type: 6-axis MEMS MotionTracking Device

Description: A 6-axis MEMS MotionTracking device combining a 3-axis gyroscope and a 3-axis accelerometer, featuring configurable I3C, I2C, and SPI host interfaces, a 2 kB FIFO, and ultralow-power wake-on-motion support.

Operating Conditions:

Supply voltage: VDD 1.71V to 3.6V, VDDIO 1.71V to 3.6V
Operating temperature: -40°C to +85°C
Gyroscope Full-scale range: ±15.6/31.2/62.5/125/250/500/1000/2000 dps
Accelerometer Full-scale range: ±2/4/8/16 g

Key Specs:

Gyroscope Noise: 2.8 mdps/√Hz
Accelerometer Noise: AXY: 65 μg/√Hz; AZ: 70 μg/√Hz
Low-Noise mode 6-axis current consumption: 0.88 mA
Gyroscope Offset Temperature Stability: ±5 mdps/°C
Gyroscope Resolution: 16/19-bits
Accelerometer Resolution: 16/18-bits
Host interface speeds: I3C 12.5 MHz, I2C 1 MHz, SPI 24 MHz
FIFO size: 2 kB

Features:

Gyroscope Noise: 2.8 mdps/√Hz & Accelerometer Noise: 70 μg/√Hz
Low-Noise mode 6-axis current consumption of 0.88 mA
User selectable Gyro Full-scale range (dps): ± 15.6/31.2/62.5/125/250/500/1000/2000
User selectable Accelerometer Full-scale range (g): ± 2/4/8/16
User-programmable digital filters for gyro, accel, and temp sensor
APEX Motion Functions: Pedometer, Tilt Detection, Tap Detection, Wake on Motion, Raise to Wake/Sleep, Significant Motion Detection
Host interface: 12.5 MHz I3C SM , 1 MHz I2C, 24 MHz SPI
2 kB FIFO
2 programmable interrupts with ultralow-power wake-on-motion support
Highly accurate external clock input support
Industry first 20-bits data format support in FIFO (19-bits gyroscope, 18-bits accelerometer)
Embedded temperature sensor

Applications:

AR/VR Controllers
Head Mounted Displays
Wearables
Sports
Robotics
IoT Applications

Package:

2.5x3mm 14-Pin LGA

Features

Gyroscope Noise: 2.8 mdps/ Hz & Accelerometer Noise: 70 μg/ Hz
o Low-Noise mode 6-axis current consumption of 0.88 mA
User selectable Gyro Full-scale range (dps): ± 15.6/31.2/62.5/125/250/500/1000/2000
User selectable Accelerometer Full-scale range (g): ± 2/4/8/16
User-programmable digital filters for gyro, accel, and temp sensor
APEX Motion Functions:
o Pedometer, Tilt Detection, Tap Detection
o Wake on Motion, Raise to Wake/Sleep, Significant Motion Detection
Host interface: 12.5 MHz I3C SM , 1 MHz I 2 C, 24 MHz SPI

Applications

AR/VR Controllers
Head Mounted Displays
Wearables
Sports
Robotics
IoT Applications

Electrical Characteristics

Typical Operating Circuit of section 4.2, VDD = 1.8 V, VDDIO = 1.8 V, TA=25°C, unless otherwise noted.

Table 3. D.C. Electrical Characteristics

PARAMETER	CONDITIONS	MIN	TYP	MAX	UNITS	NOTES
SUPPLY VOLTAGES	SUPPLY VOLTAGES	SUPPLY VOLTAGES	SUPPLY VOLTAGES	SUPPLY VOLTAGES	SUPPLY VOLTAGES	SUPPLY VOLTAGES
VDD		1.71	1.8	3.6	V	1
VDDIO		1.71	1.8	3.6	V	1
SUPPLY CURRENTS	SUPPLY CURRENTS	SUPPLY CURRENTS	SUPPLY CURRENTS	SUPPLY CURRENTS	SUPPLY CURRENTS	SUPPLY CURRENTS
Low-Noise Mode	6-Axis Gyroscope + Accelerometer		0.88		mA	2
	3-Axis Accelerometer		0.28		mA	2
	3-Axis Gyroscope		0.73		mA	2
Full-Chip Sleep Mode	At 25°C		7.5		μA	2
TEMPERATURE RANGE	TEMPERATURE RANGE	TEMPERATURE RANGE	TEMPERATURE RANGE	TEMPERATURE RANGE	TEMPERATURE RANGE	TEMPERATURE RANGE
Specified Temperature Range	Performance parameters are not applicable beyond Specified Temperature Range	-40		+85	°C	1

Guaranteed by design.
Derived from validation or characterization of parts, not tested in production.

Absolute Maximum Ratings

Stress above those listed as 'Absolute Maximum Ratings' may cause permanent damage to the device. These are stress ratings on ly and functional operation of the device at these conditions is not implied. Exposure to the absolute maximum ratings conditions for extended periods may affect device reliability.

Table 9. Absolute Maximum Ratings

Parameter	Rating
Supply Voltage, VDD	-0.5 V to +4 V
Supply Voltage, VDDIO	-0.5 V to +4 V
Input Voltage Level (FSYNC, SCL, SDA)	-0.5 V to VDDIO + 0.5 V
Acceleration (Any Axis, unpowered)	20,000g for 0.2 ms
Operating Temperature Range	-40°C to +85°C
Storage Temperature Range	-40°C to +125°C
Electrostatic Discharge (ESD) Protection	2 kV (HBM); 500 V (CDM)
Latch-up	JEDEC Class II (2),125°C ±100 mA

Table 9. Absolute Maximum Ratings

Package Information

14 Lead LGA (2.5x3x0.91) mm NiAu pad finish

		DIMENSIONS IN MILLIMETERS	DIMENSIONS IN MILLIMETERS	DIMENSIONS IN MILLIMETERS
	SYMBOLS	MIN	NOM	MAX
Total Thickness	A	0.85	0.91	0.97
Substrate Thickness	A1		0.105	REF
Mold Thickness	A2		0.8	REF
Body Size	D		2.5	BSC
Body Size	E		3	BSC
Lead Width	W	0.2	0.25	0.3
Lead Length	L	0.425	0.475	0.525
Lead Pitch	e		0.5	BSC
Lead Count	n		14
Edge Pin Center to Center	D1		1.5	BSC
Edge Pin Center to Center	E1		1	BSC
Body Center to Contact Pin	SD		0.25	BSC
Package Edge Tolerance	aaa		0.1
Mold Flatness	bbb		0.2
Coplanarity	ddd		0.08

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
ICM-42688-P	TDK InvenSense	-

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