±8g, Low g, Digital Accelerometer

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This product is in “End of Life” status, we recommend FXLS8974CF as a replacement.

The NXP^® MMA8491Q 3-axis accelerometer is an ultra-low-power tilt sensor that is ideal for smart meters, home appliances, asset tracking applications, gaming and remote controls.

Auto-on/auto-sleep energy-efficient operation housed in a specialized industrial package
Simple, yet robust, with reduced system and implementation cost for reduced development time
Unique single sample and hold measurement method allows for ease of use

Data Sheet

Application Notes

Product Details

Block Diagram

MMA8491Q 3-Axis Accelerometer block diagram

Get diagram PDF

Features

Lower power for significant battery saving
Lead pitch complies with industrial footprint
Out-of-box tilt detection sensor saves setup time
Reduce turn-on data latency
Enables high-resolution application with low-power consumption requirements
Works well with MCU-based devices
Wide operating voltage

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-5 of 13 documents

^{Data Sheet}
MMA8491Q 3-Axis Multifunction Digital Accelerometer

PDFRev 2.1Apr 26, 2016669.1 KBMMA8491QEnglish
^{Application Note}
AN4999, Achieving Lowest Power Consumption with MMA8491Q Accelerometer/Tilt Sensor

PDFRev 1.0Dec 4, 2014427.1 KBAN4999English
^{Application Note}
AN4085, Tips for troubleshooting the MMA865x/MMA845x/MMA8491 Sensor Toolbox Communication Issues - Application Note

PDFRev 0Jan 30, 20141.1 MBAN4085English
^{Application Note}
AN4296, Data Manipulation and the Basic Settings of Xtrinsic MMA8491Q Accelerometer, Application Notes

PDFRev 1Feb 5, 2013478.7 KBAN4296EnglishAssociated File: AN4296SW
^{Application Note}
DEMOMMA8491 Freescale Accelerometer Eval Kit

PDFRev 0Oct 31, 2012330.2 KBAN4292English
^{Application Note Software}
AN4296SW

ZIPRev V2Jan 18, 2013369.5 KBAN4296SWEnglish
^Brochure
Motion and Pressure Sensors for Medical Applications - Brochure

PDFRev 2Jan 11, 20191.2 MBMEDSENSORSA4BREnglish
^Brochure
Smart Energy - Brochure

PDFRev 4Oct 14, 20136.6 MBBRSMRTENERGYEnglish, 中文
^{Fact Sheet}
Sensor Solutions

PDFRev 13Feb 12, 20202.2 MBSNSRSOLUTNTMFSEnglish
^{Fact Sheet}
Kinetis KM3x MCU Two-Phase Metering Reference Design Fact Sheet

PDFRev 2Jun 16, 2014151.5 KBKNTSKM2PMTRFSEnglish
^{Fact Sheet}
TAMPERMTRFS

PDFRev 0Jun 11, 2012262.8 KBTAMPERMTRFSEnglish
^{Selector Guide}
Sensor Product Selector Guide

PDFRev 13May 13, 2024253.0 KBSENSSELECTEnglish
^{White Paper}
Low Power Sensing

PDFRev 2May 20, 2015381.7 KBLOWPOWERSENSWPEnglish

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Design Resources

Design Files

Receive the full breakdown. See the product footprint and more in the eCad file.

Hardware

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1 hardware offering

^{Reference Design}
Single-Phase Metering

SINGLE-PHASE-METER

Software

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2 software files

^{BSPs and Device Drivers}
Intelligent Sensing Framework

PEUPDRev 2.2Oct 25, 2016 00:00:001.1 MBISF2P2_PEX
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^{Debugging and Visualization Tools}
Freedom Sensor ToolBox - Community Edition (STB-CE)

EXERev 2.5May 10, 2018 00:00:00114598 KBFRDMSTB-CE
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±8g, Low g, Digital NXP® Accelerometer

Product Details

Block Diagram

MMA8491Q 3-Axis Accelerometer block diagram

Features

Applications

Industrial

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±8g, Low g, Digital NXP^® Accelerometer