Systems and methods for charging a battery
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United States of America Patent
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Feb 21, 2023
Grant Date -
Apr 9, 2020
app pub date -
May 18, 2018
filing date -
May 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
The present technology relates to systems and methods for rapidly charging a battery of a device when the device is attached to an AC adapter. Some embodiments of the present disclosure describe an activation circuit in an AC adaptor and a detection circuit in a downstream device that cooperatively ensure optimal power delivery. Some embodiments of the present disclosure describe a device with a system load, a battery, and a control circuit, wherein the control circuit is configured to provide the battery with a charging current of Ibat=Imax−Isys when the device is in a USB compliant mode of operation and a charging current of Ibat=Imax when the device is connected to an AC adapter.
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