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Single-inductor dual-input dual-output buck-boost fuel-cell-li-ion charging DC-DC converter supply

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2 Author(s)
Suhwan Kim ; Georgia Inst. of Technol., Atlanta, GA ; Rincon-Mora, G.A.

Buck or boost single-inductor dual-input dual-output (SIDIDO) converters are popular in power-management and energy-harvesting applications. The fuel cell-Li-ion hybrid, unlike most applications discussed in literature, draws energy and power from a 0.6 V fuel cell and a 2.7-to-4.2 V Li-ion battery to supply a 1 V load and recharge the Li-ion battery, when unloaded, requiring a buck-boost charger-supply circuit. To this end, this paper describes and discusses the experimental results of the SIDIDO.

Published in:

Solid-State Circuits Conference - Digest of Technical Papers, 2009. ISSCC 2009. IEEE International

Date of Conference:

8-12 Feb. 2009