Apparatuses and related methods for charging control of a switching voltage regulator
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United States of America Patent
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Aug 30, 2016
Grant Date -
Sep 18, 2014
app pub date -
Mar 15, 2013
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
Charging systems and related methods are disclosed for switching voltage regulators. A charging controller may be configured to generate a control signal indicating a first level of an output current generated by a switching voltage regulator for charging an energy storage device, determine that an output voltage exceeded a predetermined threshold, and generate the control signal indicating a new level of the output current that is reduced from the first level. A method of controlling charging of an energy storage device may comprise monitoring an output voltage charging an energy storage device, comparing a reference signal and a current sense signal to generate a PWM control signal that determines an output current for a switching voltage regulator generating the output voltage, and decrementing the reference signal in response to the output voltage exceeding a predetermined level for a maximum charging voltage for the energy storage device.
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