LTC3107

NOT RECOMMENDED FOR NEW DESIGNS

Ultra-Low Voltage Energy Harvester and Primary Battery Life Extender

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Overview

  • Thermal Energy Harvesting Assisted Power Management System
    • VOUT Tracks the Primary Battery Voltage
    • 2.2V LDO Output
    • Reserve Energy Output, Clamped to 4.3V
  • Operates from Inputs as Low as 20mV
  • Battery In-Use Indicator (BAT_OFF)
  • IQ from Battery:
    • 80nA When Energy Harvesting
    • 6μA No Energy Harvesting
  • Standard, Compact Step-Up Transformer
  • Small, Thermally Enhanced 10-lead (3mm × 3mm) DFN package
LTC3107
Ultra-Low Voltage Energy Harvester and Primary Battery Life Extender
TEG Powered Thermal Harvester with Primary Cell Life Extender Percentage of Added Battery Life vs TEG Surface Temperature Product Package 1
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Documentation

Data Sheet 1

User Guide 2

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

  • LTC3107
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
schematic 4
schematic 5
schematic 6
DC2103A

LTC3107 Demo Board | 20mV Start-up Energy Harvester and Battery Life Extender

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Product Details

Demonstration circuit 2103A featuring the LTC3107 is a highly integrated DC/DC converter designed to extend the life of a primary battery in low power wireless systems by harvesting and managing surplus energy from extremely low input voltage sources such as thermoelectric generators (TEG). The step-up topology operates from input voltages as low as 20mV.

eval board
schematic 7
DC2321A

Dust Energy Harvesting Demo Board with E-Ink Display, Designed to Connect to the DC2344A or DC2509A

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Product Details

Demonstration circuit 2321A is a low power wireless sensor node development platform equipped with an E-ink display for user feedback. The system is capable of monitoring and managing its available energy, logging information from sensors and sharing this data over a wireless network.


The board is designed to connect to the DC2344A or DC2509A energy harvesting demonstration boards which output a regulated power supply as well as status information from energy harvesting ICs and their backup batteries. Two coulomb counters on the DC2321A allow the processor to monitor the energy output of these batteries which will vary depending on the amount of energy which can be harvested from the system’s surroundings.


A DC2274A-A SmartMesh Manager must be used in order to evaluate the networking features of the DC2321A.
DC2103A
LTC3107 Demo Board | 20mV Start-up Energy Harvester and Battery Life Extender
DC2103A Demo Board DC2103A Demo Board DC2103A Demo Board DC2103A Demo Board DC2103A Demo Board DC2103A - Schematic
DC2321A
Dust Energy Harvesting Demo Board with E-Ink Display, Designed to Connect to the DC2344A or DC2509A
DC2321A Evaluation Board

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