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TIDA-00488

Energy Harvesting Ambient Light and Environment Sensor Node for Sub-1GHz Networks Reference Design

Design files

TIDA-00488

Design files

Overview

TIDA-00488 demonstrates an ultra-low power and a renewable method of wireless environmental sensing using daylight energy harvesting with a long backup battery life. This reference design uses our ultra-low power harvester power management SimpleLink™ ultra-low power sub-1 GHz wireless microcontroller (MCU) platform and ambient light, humidity and temperature sensing technologies to achieve continuous monitoring while the energy harvesting circuit is active and interrupt monitoring when running from the backup battery.

Features
  • Runs from solar energy when lux level is sufficient (continuous mode)
  • Supports interrupt mode triggered by indoor LUX levels
  • Long backup battery life (up to 10 years) in interrupt mode
  • Senses natural ambient light coming into a building to precisely control the building's lighting systems
  • Monitors temperature and relative humidity in addition to ambient light
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A fully assembled board has been developed for testing and performance validation only, and is not available for sale.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

download Design guide — TIDA-00488
TIDUB22B.PDF (3009 K)

Reference design overview and verified performance test data

download Schematic — TIDA-00488
TIDRHS2B.PDF (611 K)

Detailed schematic diagram for design layout and components

download Bill of materials (BOM) — TIDA-00488
TIDRHS3B.PDF (90 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

download Assembly drawing — TIDA-00488
TIDRHS4B.PDF (263 K)

Detailed overview of design layout for component placement

download CAD/CAE symbol — TIDA-00488
TIDRHS6B.ZIP (692 K)

Files used for 3D models or 2D drawings of IC components

download Gerber file — TIDA-00488
TIDCB44B.ZIP (591 K)

Design file that contains information on physical board layer of design PCB

download PCB layout — TIDA-00488
TIDRHS5B.PDF (2128 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Battery charger ICs

BQ25505 — Ultra low power harvester power management IC with boost charger, and autonomous power multiplexor

Data sheet: PDF | HTML
ESD protection diodes

TPD1E10B06 — 12-pF, ±5.5V, ±30-kV ESD protection diode in 0402 and SOD-523 package

Data sheet: PDF | HTML
Humidity sensors

HDC1000 — Low Power, 3% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor

Data sheet: PDF | HTML
Humidity sensors

HDC1008 — Low Power, 4% Accuracy Digital Humidity Sensor with Integrated Temperature Sensor

Data sheet: PDF | HTML
Humidity sensors

HDC1010 — ±2% low-power digital humidity and temperature sensor in WCSP

Data sheet: PDF | HTML
Light sensors

OPT3001 — Digital ambient light sensor (ALS) with high-precision human-eye response

Data sheet: PDF | HTML
P-channel MOSFETs

CSD75208W1015 — -20-V, P channel NexFET™ power MOSFET, dual Common Source WLP 1 mm x 1.5 mm, 108 mOhm, gate ESD prot

Data sheet: PDF | HTML
Sub-1 GHz wireless MCUs

CC1310 — SimpleLink™ 32-bit Arm Cortex-M3 Sub-1 GHz wireless MCU with 128kB Flash

Data sheet: PDF | HTML

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Software

Technical documentation

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Type Title Date
* Design guide Energy Harvesting Ambient Light and Environment Sensor Node Design Guide (Rev. B) May 20, 2016
White paper How to optimize building and home automation designs for energy efficiency Apr. 08, 2020
Technical article Why use Sub-1 GHz in your IoT application PDF | HTML Jul. 27, 2016
Technical article Trends in building automation: connected sensors for energy efficiency PDF | HTML Feb. 17, 2016

Related design resources

Reference designs

REFERENCE DESIGN
TIDA-00100 — Indoor Light Energy Harvesting Reference Design for Bluetooth Low Energy (BLE) Beacon Subsystem TIDA-00373 — Backlight and Smart Lighting Control by Ambient Light and Proximity Sensor Reference Design TIDA-00484 — Humidity & Temp Sensor Node for Sub-1GHz Star Networks Enabling 10+ Year Coin Cell Battery Life TIDA-00758 — Interrupt-based environmental sensor node with ambient light for Sub-1 GHz networks reference design

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