Bi-directional Boost-Buck Voltage Converter
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United States of America Patent
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Issued Date -
Feb 25, 2010
app pub date -
Aug 19, 2008
filing date -
Aug 19, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bi-directional Boost-Buck voltage converter includes a controller, a high-voltage capacitor, a lower-voltage battery, a resistive load, an inductor, and three or four switches, and provides a mechanism to efficiently provide power to the resistive load from the battery. It uses two configurations of the switches to configure the battery, the inductor, and the capacitor in a boost converter configuration to charge the capacitor from the battery. It uses two different configurations of the switches to configure the capacitor, the inductor, and the resistive load in a buck converter configuration to discharge the capacitor through the inductor and the resistive load.
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