KMX62G-1033 Gyro Datasheet

KMX62G-1033 Datasheet, PDF, Equivalent


Part Number

KMX62G-1033

Description

Digital 9-axis Magnetometer / Accelerometer / Micro-Amp Magnetic Gyro

Manufacture

Kionix

Total Page 30 Pages
Datasheet
Download KMX62G-1033 Datasheet


KMX62G-1033
Digital 9-axis
Magnetometer / Accelerometer /
Micro-Amp Magnetic Gyro
Specifications
PART NUMBER:
KMX62G-1033
Rev. 2.0
1-Mar-16
Product Description
The KMX62G is a high-performance, low-power, magnetometer-
accelerometer device enhanced with sensor fusion software and auto-
calibration algorithms to deliver the industry’s first highly accurate gyro
emulation. Optimized for mobile applications, the KMX62G requires
significantly less current than any consumer gyro available today.
The KMX62G sensor consists of the KMX62-1033 tri-axial magnetometer
and tri-axial accelerometer coupled with proprietary software enabling tri-
axial gyroscopic outputs. The KMX62G is not intended to replace a
gyroscope at the same performance. Instead, the KMX62G provides
angular velocity outputs to applications running on mobile devices that do
not have a physical gyroscope.
KMX62 is a 6 Degrees-of-Freedom inertial sensor system that features 16-
bit digital outputs accessed through I2C communication. The KMX62
sensor consists of a tri-axial magnetometer plus a tri-axial accelerometer coupled with an ASIC. It is
packaged in a 3 x 3 x 0.9mm Land Grid Array (LGA) package. The ASIC is realized in standard 0.18um
CMOS technology and features flexible user programmable ±2g/±4g/±8g/±16g full scale range for the
accelerometer. Accelerometer and Magnetometer data can be accumulated in an internal 384 byte
FIFO buffer and transmitted to the application processor.
Acceleration sensing is based on the principle of a differential capacitance arising from acceleration-
induced motion of the sense element, which utilizes common mode cancellation to decrease errors
from process variation, temperature, and environmental stress. Capacitance changes are amplified and
converted into digital signals which are processed by a dedicated digital signal processing unit. The
digital signal processor applies filtering, bias and sensitivity adjustment, as well as temperature
compensation.
Magnetic sensing is based on the principle of magnetic impedance. The magnetic sensor detects very
small magnetic fields by passing an electric pulse through a special electron spin aligned amorphous
wire. Due to the high Curie temperature of the wire, the sensor’s thermal performance shows excellent
stability.
Noise performance is excellent with bias stability over temperature. Bias errors resulting from assembly
can be trimmed digitally by the user. These sensors can accept supply voltages between 1.7V and
3.6V, and digital communication voltages between 1.2 and 3.6V.
36 Thornwood Dr. Ithaca, NY 14850
tel: 607-257-1080 fax:607-257-1146
www.kionix.com - info@kionix.com
© 2015 Kionix All Rights Reserved
Page 1 of 72

KMX62G-1033
Digital 9-axis
Magnetometer / Accelerometer /
Micro-Amp Magnetic Gyro
Specifications
PART NUMBER:
KMX62G-1033
Rev. 2.0
1-Mar-16
Table of Contents
PRODUCT DESCRIPTION ....................................................................................................................................................................1
TABLE OF CONTENTS.........................................................................................................................................................................2
HARDWARE REQUIREMENTS ............................................................................................................................................................5
KMX62G REFERENCE CIRCUIT SCHEMATIC: .................................................................................................................................................... 5
BOARD LAYOUT.......................................................................................................................................................................................... 7
ORIENTATION ............................................................................................................................................................................................ 7
SOFTWARE REQUIREMENTS .............................................................................................................................................................8
WINDOWS HUB PROCESSOR......................................................................................................................................................................... 8
ANDROID .................................................................................................................................................................................................. 9
PERFORMANCE ...............................................................................................................................................................................10
SENSOR SUBSYSTEM POWER KIONIX MICROAMP GYRO1 COMPARED WITH PHYSICAL GYRO.................................................................................. 10
OTHER PARAMETERS KIONIX MICROAMP GYRO COMPARED WITH PHYSICAL GYRO ............................................................................................ 11
Group Delay and Phase Delay .......................................................................................................................................................... 12
Synthetic Gyro Ramp Response and Sensor Fusion output .............................................................................................................. 13
FUNCTIONAL DIAGRAM ..................................................................................................................................................................16
PRODUCT SPECIFICATIONS..............................................................................................................................................................17
MAGNETOMETER SPECIFICATIONS ............................................................................................................................................................... 17
ACCELEROMETER SPECIFICATIONS ................................................................................................................................................................ 18
NOISE DIAGRAMS ..................................................................................................................................................................................... 19
TEMPERATURE SENSOR.............................................................................................................................................................................. 20
ELECTRICAL SPECIFICATIONS........................................................................................................................................................................ 20
CURRENT CONSUMPTION DIAGRAMS ........................................................................................................................................................... 21
START UP TIME DIAGRAMS ........................................................................................................................................................................ 22
POWER-ON PROCEDURE............................................................................................................................................................................ 23
I2C TIMING DIAGRAM ............................................................................................................................................................................... 24
ENVIRONMENTAL SPECIFICATIONS ............................................................................................................................................................... 25
Soldering .......................................................................................................................................................................................... 25
APPLICATION SCHEMATIC........................................................................................................................................................................... 26
PIN DESCRIPTIONS .................................................................................................................................................................................... 26
PACKAGE DIMENSIONS AND ORIENTATION .................................................................................................................................................... 27
Dimensions....................................................................................................................................................................................... 27
Orientation ....................................................................................................................................................................................... 28
DIGITAL INTERFACE.........................................................................................................................................................................29
I2C SERIAL INTERFACE................................................................................................................................................................................ 29
I2C OPERATION........................................................................................................................................................................................ 30
36 Thornwood Dr. Ithaca, NY 14850
tel: 607-257-1080 fax:607-257-1146
www.kionix.com - info@kionix.com
© 2015 Kionix All Rights Reserved
Page 2 of 72


Features Digital 9-axis Magnetometer / Accelerome ter / Micro-Amp Magnetic Gyro Specifica tions PART NUMBER: KMX62G-1033 Rev. 2. 0 1-Mar-16 Product Description The KMX 62G is a high-performance, low-power, m agnetometeraccelerometer device enhance d with sensor fusion software and autoc alibration algorithms to deliver the in dustry’s first highly accurate gyro e mulation. Optimized for mobile applicat ions, the KMX62G requires significantly less current than any consumer gyro av ailable today. The KMX62G sensor consis ts of the KMX62-1033 tri-axial magnetom eter and tri-axial accelerometer couple d with proprietary software enabling tr iaxial gyroscopic outputs. The KMX62G i s not intended to replace a gyroscope a t the same performance. Instead, the KM X62G provides angular velocity outputs to applications running on mobile devic es that do not have a physical gyroscop e. KMX62 is a 6 Degrees-of-Freedom iner tial sensor system that features 16bit digital outputs accessed through I2C communication. The KMX62 sen.
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