Solar Dice: a Sensor Node in the Internet of Things (IoT) Reference Design PMP9754 (ACTIVE)

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Description

The Solar Dice are a battery-less, wirelessly-transmitting device for the Internet of Things.  An onboard accelerometer detects the orientation of the Dice and wirelessly transmits this to a host, such as a USB dongle or smartphone.  The reference design demonstrates an ultra-low power sensor node, which is enabled by ultra-low power optimized code for the CC430 and ultra-low power management through the TPS62740.  The entire system draws a mere 2.36µA when in standby mode.  The Solar Dice are just an example of an unlimited number of different sensor types (temperature, humidity, pressure, etc.) that are enabled by the TPS62740 and CC430.

Features
  • Battery-less operation from 6 solar panels
  • Orientation wirelessly transmitted to host
  • 2.36 µA current draw (standby mode)
  • Ultra-low power optimized power supply
  • Ultra-low power optimized code

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Schematic/Block Diagram

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Source Files

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TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CC430F5147  CC430F614x, CC430F514x, CC430F512x SoC With RF Core  Microcontrollers (MCU)  Sample & Buy Not Available
TPS62740  2.2V-5.5V input, ultra-low-power 300mA step-down buck DCDC converter with 360nA Iq  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CC430F5147 Download
TPS62740 Download Download

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Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 713 28 May 2014
Selection guides (1)
Title Type Size (KB) Date
PDF 308 04 May 2016
Design files (3)
Title Type Size (KB) Date
ZIP 926 28 May 2014
PDF 55 28 May 2014
PDF 50 28 May 2014
Related Tools & Software

Software (1)



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