Energy storage for DC power supply
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United States of America Patent
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N/A
Issued Date -
Mar 4, 2004
app pub date -
Aug 29, 2002
filing date -
Aug 29, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides an apparatus and method for on-board ride-through power during power glitches including a power storage device being configured to store power from a supply voltage without disrupting power supplied to a load and the power storage device being further configured to supply power to the load when the supply voltage drops below a voltage across the power storage device. The power storage device can include one or more capacitors. The present invention receives a supply voltage and determines if the supply voltage exceeds a reference voltage while allowing normal operation of a load. The invention further stores power from the supply voltage if the supply voltage exceeds the reference voltage, and supplies power to the load if the supply voltage drops.
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