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High Efficiency Electric Power Manager for Man-Portable Photovoltaic Systems

Award Information
Agency: Department of Defense
Branch: Office of the Secretary of Defense
Contract: N00014-15-C-5066
Agency Tracking Number: O2-1530
Amount: $999,434.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: OSD13-EP2
Solicitation Number: 2013.3
Timeline
Solicitation Year: 2013
Award Year: 2015
Award Start Date (Proposal Award Date): 2015-07-30
Award End Date (Contract End Date): 2017-07-29
Small Business Information
3267 Progress Drive, Ste. 106A, Orlando, FL, 32826
DUNS: 000000000
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 John Elmes
 (407) 476-4747
 jelmes@apecor.com
Business Contact
 Antoine Khoury
Phone: (407) 476-4747
Email: akhoury@apecor.com
Research Institution
N/A
Abstract
Renewable energy, specifically photovoltaic, is an attractive technology for man-portable power sources and tactical applications. However, to be effective as a system, it is necessary to have a power manager that can efficiently couple a small solar array (~20W) to a battery such as the BB2590. Power managers are already being fielded with PV sources, but their usefulness has been limited by the design of the power manager. The goal of this topic is to develop a cost-effective, lightweight power manager that displays high efficiencies for low power modules in a user-friendly format that can rapidly charge a BB2590. In addition, given the nature of Li-ion batteries, maximum use of solar input is achieved when multiple batteries are charged in parallel, so a power manager is sought that can charge multiple batteries simultaneously. Other capabilities that will benefit the system are scavenge mode, buck/ boost capability, high-speed maximum point tracking, reduced heat and IR signature, a wide operating temperature range, charging capability in low light (<0.1W input power), and near loss-less power transfer.

* Information listed above is at the time of submission. *

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