Source Power Limiting Charging System
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Mar 27, 2009
filing date -
Mar 27, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and systems for charging energy storage devices are disclosed. Often the charging circuit may have different levels of power available to charge the energy storage device depending on the state of other subsystems of the electronic system. The present invention provides a source power limiting charging system. Often the losses of the charging system and losses due to the power requirements of support systems are not well known and/or are variable. Controlling source power to the charging system maximizes the amount of power delivered to the energy storage device for a given value of these losses and avoids power contention with the other elements of the electronic system. Therefore, the power drawn from the power source by a controllable power limiting charging circuit is controlled to be less than a source power limit.
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