Battery charging system including current observer circuitry to avoid battery voltage overshoot based on battery current draw
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United States of America Patent
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Jan 30, 2018
Issued Date -
N/A
app pub date -
Feb 25, 2016
filing date -
Feb 29, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
According to one aspect of the present disclosure, there is provided a battery charging system. The battery charging system includes battery charging circuitry configured to provide charging current to a battery. The battery charging system further includes feedback circuitry configured to generate a feedback signal indicative of a battery charging condition, wherein the battery charging system is configured to control the battery charging current based on, at least in part, the feedback signal. The battery charging system further includes feed forward circuitry configured to adjust the feedback signal to decrease battery charging current when a decrease in battery current draw exceeds a threshold, and wherein the feed forward circuitry is configured to decrease the battery charging current faster than the feedback circuitry.
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