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Using DC to DC Buck Conversion to Optimize Stored Energy Usage in Autonomously Powered Devices


Mr Joe Keating, Applications Engineering Manager
Infinite Power Solutions
United States
 
 
This presentation was given at Energy Harvesting and Storage USA 2011 on Nov 15, 2011.
 

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Presentation Summary

  • Efficiency gains through the use of a buck converter as compared to the use of a traditional voltage regulator,
  • Tools to calculate the current conversion values using existing buck conversion ICs and efficiencies,
  • How to convert the overhead voltage from the energy storage device into additional load current,
  • How the available capacity from the energy storage device will be increased by reducing the load apparent to the battery,
  • A comparison of high current buck sources vs. low current buck sources suitable for varied applications.

Speaker Biography (Joe Keating)

Joe Keating studied electrical and computer engineering at The University of Colorado, Boulder (BS, 1990), including graduate level studies in optical-electronics. Mr. Keating began his career as an embedded electronics design engineer. Joe has over ten years of experience in battery design development and applications support. Currently, he is the Sr. Director of Applications Engineering at Infinite Power Solutions, Inc., in Littleton, Colorado.

Company Profile (Infinite Power Solutions)

Infinite Power Solutions, Inc. (IPS)—a U.S. clean-technology company—is a global leader in manufacturing solid-state, rechargeable, thin-film, micro-energy storage devices. Founded in 2001, IPS is privately held with corporate headquarters and volume manufacturing in Littleton, Colo. The company is the only ISO 9001 certified manufacturer of all-solid-state, thin-film batteries and its energy storage products provide unrivalled performance, size and service life to displace conventional coin cells, supercapacitors, and other printed and solid-state micro-batteries in a variety of applications. THINERGY« Micro-Energy Cell (MEC) products are paper-thin and provide unprecedented efficiency in micro-energy storage and uniquely enable embedded power and ambient energy-harvesting solutions to create miniature, autonomous, perpetual power supply solutions. THINERGY MECs uniquely serve battery powered applications such as Bluetooth« Smart devices and other wireless sensors, active RFID tags, real-time clocks, powered cards, medical devices, and consumer electronics.