Battery charging control system and method for vehicle
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Nov 18, 2015
filing date -
Sep 18, 2015
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Abstract
A battery charging control system for a vehicle includes: a high voltage battery supplying power to a driver of the vehicle; an auxiliary battery supplying power to an electric load of the vehicle; a first voltage converter connecting between the high voltage battery and the auxiliary battery; a second voltage converter connecting between the high voltage battery and the electric load; a switch having one side connected to a circuit line between the first voltage converter and the auxiliary battery and the other side connected to a circuit line between the second voltage converter and the electric load; and a controller controlling a turn on/off of the first voltage converter and the second voltage converter and a turn on/off of the switch depending on whether the first voltage converter and the second voltage converter is broken and the auxiliary battery needs to be charged.
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