Energy Harvesting and Fault Indicator Subsystem for Overhead Fault Indicators Reference Design TIDA-00998 (ACTIVE)

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Key Document

Description

The TIDA-00998 TI Design shows multiple architectures for extending primary battery life using a secondary battery or supercapacitor with energy harvested from a current transformer (CT) or solar cells. Optimal Power management is done using efficient LED Drivers to drive series or parallel strings of LEDs to control intensity for uniform 360° visibility.

Features
  • Solar energy harvesting to charge li-ion battery, autoswitching between primary and secondary battery to power LED driver and fault indicator AFE
  • Interface to CT based load current harvesting subsystem to charge supercapacitor; PowerMux to autoswitch between supercapacitor and primary battery
  • Drives up to six independent LEDs and three channels paralled to drive high current LED using LP55231
  • Drives series connected LED strings using LM3509
  • Three level intensity control based on ambient light sensed using OPT3001

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Schematic/Block Diagram

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Design Files

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TI Devices (11)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ATL431  2.5V low-Iq adjustable precision shunt regulator  Voltage references  Sample & Buy View Design Kits & Evaluation Modules
BQ25505  Ultra low power harvester power management IC with boost charger, and autonomous power multiplexor  Battery management  Sample & Buy View Design Kits & Evaluation Modules
CSD13202Q2  12V, N ch NexFET MOSFET™, single SON2x2, 9.3mOhm  MOSFETs  Sample & Buy Not Available
CSD25310Q2  -20V, P ch NexFET MOSFET™, single SON 2x2, 23.9mOhm  MOSFETs  Sample & Buy Not Available
LM3509  High Efficiency Boost for White LED's and/or OLED Displays with Dual Current Sinks  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
LP55231  9 Channel RGB / White LED Driver with Internal Program Memory and Integrated Charge Pump - WQFN  LED drivers  Sample & Buy View Design Kits & Evaluation Modules
OPT3001  Digital ambient light sensor (ALS) with high-precision human-eye response   Specialty sensors  Sample & Buy View Design Kits & Evaluation Modules
PCA9306  2-bit bidirectional I2C bus and SMBus voltage-level shifter  I2C  Sample & Buy View Design Kits & Evaluation Modules
TLV3492  Dual Nanopower Push-Pull Output Comparator  Amplifiers  Sample & Buy Not Available
TPS2113A  Autoswitching Power Mux  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS61021A  3-A Boost Converter with 0.5-V Ultra Low Input Voltage   Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
ATL431 Download Download
BQ25505 Download
CSD13202Q2 WSON (DQK)| 6 Download
CSD25310Q2 WSON (DQK)| 6 Download
LM3509 Download
LP55231 Download
OPT3001 Download Download
PCA9306 Download Download
Download Download
Download Download
Download -
Download -
Download -
TLV3492 Download Download
Download -
TPS2113A Download Download
Download Download
TPS61021A Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 3713 25 May 2017
Design files (12)
Title Type Size (KB) Date
ZIP 988 05 Apr 2017
ZIP 2632 05 Apr 2017
ZIP 1351 05 Apr 2017
ZIP 1561 05 Apr 2017
PDF 747 05 Apr 2017
PDF 1252 05 Apr 2017
PDF 184 05 Apr 2017
PDF 466 05 Apr 2017
PDF 94 05 Apr 2017
PDF 98 05 Apr 2017
PDF 283 05 Apr 2017
PDF 388 05 Apr 2017

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