Wireless Motor Monitor Reference Design
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This TI Design is inspired by the need to monitor the health of motors and machines to accurately predict and schedule maintenance (or replacement) while minimizing cost and down time during industrial production. Millions of industrial motors are monitored today with handheld or wired Piezo accelerometer sensing devices. The annual cost of monitoring these motors is approximately $300 per motor.

Recent advancements in ultra-low-power processing technologies, radios, and piezo sensor miniaturization have enabled the development and deployment of low-cost, small motor monitors with wireless capabilities. These wireless motor monitors are powered by coin cells that have a battery life of more than 10 years. These systems provide the same broadband sensitivity as existing handheld systems, collect vibrational data, and perform spectral analyses on that data. This integrated intelligence lets you deploy and monitor these systems in difficult-to-reach locations. The money these capabilities save can pay for the systems within a few months. The wireless motor-monitoring TI Design uses two different, yet electrically equivalent, form factors for development and testing.

These form factors include:

  • The modular form factor
  • The compact form factor

In the modular form factor, TI LaunchPad™ Development Kits and EM connectors allow you to incorporate multiple radios and processors with energy-management and sensor subsystems. The compact form factor uses the MSP430™FR5969 ultra-low-power microcontroller unit (MCU) with a CC2650 BLE radio, but can be connected to multiple sensor boards. The standard sensor board supports a PCB Piezotronic vibration sensor.

The 30-pin expansion connector on the small form factor board enables the base-board to be operated with the MCU, the CC2650 radio, or both. The system software assumes you are using both devices.

This TI Design focuses on the compact form factor system.

  • 100uA MSP MCU Analyze/Write
  • 6mA Bluetooth Low Energy Radio
  • 40 nA System Sleep
  • 10KHz/16 bit Vibration Sensor
  • iPAD/Android Visualization
  • This circuit design is tested and includes firmware, GUI, demo, and Getting Started Guide

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Schematic/Block Diagram

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Design Guide

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Design Files

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TI Devices (8)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADS8320  16-Bit, High-Speed, 2.7V-to-5V Micropower Sampling Analog-to-Digital Converter (ADC)  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
BQ25570  Ultra Low power Harvester power Management IC with boost charger, and Nanopower Buck Converter  Battery management ICs  Sample & Buy View Design Kits & Evaluation Modules
CC2650  SimpleLink™ 32-bit Arm Cortex-M3 multiprotocol 2.4 GHz wireless MCU with 128kB Flash  Wireless connectivity  Sample & Buy View Design Kits & Evaluation Modules
LMP7716  Dual Precision, 17 MHz, Low Noise, Low Bias Current, CMOS Input Amplifier   Operational amplifiers (op amps)  Sample & Buy View Design Kits & Evaluation Modules
MSP430FR5969  16 MHz MCU with 64KB FRAM, 2KB SRAM, AES, 12-bit ADC, comparator, DMA, UART/SPI/I2C, timer  Microcontrollers (MCUs)  Sample & Buy View Design Kits & Evaluation Modules
TPL5100  Nano power programmable timer with power gating functionality  Clocks & timing  Sample & Buy View Design Kits & Evaluation Modules
TPS22969  5.5-V, 6-A, 4.4-mΩ load switch with output discharge  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS7A7002  3-A, low-VIN (1.4-V), adjustable ultra-low-dropout voltage regulator with enable  Power management  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ADS8320 Download Download
BQ25570 Download Download
CC2650 Download Download
Download Download
Download Download
LMP7716 Download Download
MSP430FR5969 Download Download
TPL5100 Download
TPS22969 Download Download
TPS7A7002 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 2223 06 Apr 2015
Design files (5)
Title Type Size (KB) Date
PDF 1875 23 Apr 2015
PDF 613 23 Apr 2015
ZIP 1381 23 Apr 2015
ZIP 35 23 Apr 2015
ZIP 718 23 Apr 2015
Related Tools & Software

Software development (2)

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