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Introduction FSS-IMU614E-T is a 6-DOF MEMS inertial sensor modu
Volume 17x14.7x3.2mm
Weight 1.6g
Application field drone; flight Controller
Software interface TTL; I²C; SPI
Hardware interface Solder pins
86-15148215714
DetailTechnical IndexDownloadHardware and Structu

1、Product Description

FSS-IMU614E-T is a MEMS inertial measurement unit (IMU) module with 6 degrees of freedom (DOF) developed by Forsense (Shanghai) Technology Co., Ltd.


It features 3-axis Gyroscopes and 3-axis Accelerometers, measuring angular velocity, linear acceleration, and high-precision attitude angles respectively.


High precision and high resolution combine to help capture subtle vibration and tilt. A large number of output parameters enable the perception of motion despite intense shaking. All IMU modules are calibrated independently on a rotary table and adjusted precisely over an ultra-wide temperature range in a temperature chamber before leaving the factory, so that they can deliver stable and consistent performance in most extreme conditions.


Application Areas
• drone

• flight Controller


2、Characteristic

Tactical Grade MEMS Gyroscope

Bias Instability: 2.0 °/hr

Angle Random Walk: 0.09 °/√hr


Tactical Grade MEMS Accelerometer

Bias Instability: 20 μg

• Velocity Random Walk: 0.025 m/s/√hr


Refined temperature compensation

Wide Temperature Range: -40℃ to 85℃

Precise Temperature Calibration


Independent Rotary Table Calibration

Sensitivity, Bias instability, and Misalignment


High-intensity Tolerance

Ultra Shock Resistance: 2000g (0.5ms, Half-sine shock pulse, 3 axis)

Superb Vibration Resistance: 10g (10~2KHz, 3-axis)

Ultra-wide Operating Temperature Range: -40℃ to 85℃

100% Magnetic Shielding


Benefits

Real-time and Flexibility: Configurable output sampling rate up to 1KHz

Digital Interfaces: Serial ports, I²C and SPI

Small Size and Low Weight: 14.7×17×3.2 mm, about 2g


Apart from standard performance and output parameters, Forsense also provides customized services, including software development and LOGO design, to improve your products!




Gyroscope Key Metrics

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±2000


°/s

Bias instability¹

@25℃, ALLAN Variance,


X:3.0

YZ: 2.0


°/hr

Bias stability

GJB, 10s smooth


XY: 10

Z: 5


°/hr

Bias Repeatability

GJB


XY: 15

Z: 8


°/hr

Resolution



0.0305


deg

Misalignment



0.02


deg

Internal Low-pass Cutoff Frequency

Adjustable software


50


Hz

ODR



1000


Hz

Measure Delay



5.4


ms

Offset Error over Temperature

-40 ~ 85℃, ≤1℃/min @1σ


0.03


°/s

Random Walk¹

@25℃, ALLAN Variance,


0.09


°/√hr

Scale Coefficient Error



3.0


Scale Factor Nonlinear

@25℃


50


ppm

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)


Accelerometer Key Metrics

Parameters

Test Conditions/Remarks

Min.

Typ.

Max.

Unit

Measurement Range



±32


g

Bias instability¹

@25℃, ALLAN Variance,


20


μg

Bias stability

GJB, 10s smooth



70


μg

Bias Repeatability

GJB


XY: 0.1

Z:0.3


mg

Resolution



0.4883


mg

Misalignment



0.05


deg

Internal Low-pass Cutoff Frequency

Adjustable software


50


Hz

ODR



1000


Hz

Measure Delay



5.4


ms

Offset Error over Temperature

-40 ~ 85℃, ≤1℃/min @1σ


XY: 0.8

Z: 2.0


mg

Random Walk

@25℃,ALLAN Variance,


0.025


m/s/√hr

Scale Coefficient Error

1


Scale Factor Nonlinear

@25℃


100


ppm

Note 1: IEEE standard values acquired from Allan Variance analysis in a static environment (25°C)


External Structure

Outline Structure and Dimensions (unit: mm)

ch2 图3-2 外形结构及尺寸.jpg

ch2 图3-1 外形结构及尺寸.jpg