Vehicle power supply control device
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United States of America Patent
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Oct 15, 2019
Grant Date -
Aug 9, 2018
app pub date -
Feb 5, 2018
filing date -
Feb 9, 2017
priority date (Note) -
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Abstract
A vehicle power supply control device includes trunk line units of two systems provided in a vehicle; branch line units branched from the trunk line units of two systems; a vehicle power supply master coupled to one side of the trunk line units of two systems and includes a main battery that charges and discharges electric power; and a plurality of area power supply masters coupled to the trunk line units of two systems via the branch line units, coupled to a load that consumes electric power, and each include an area battery that charges and discharges electric power. The vehicle power supply master supplies electric power of the main battery to the area power supply masters via the trunk line units of two systems, and the area power supply masters supply, to the load, electric power supplied from the vehicle power supply master or charged in the area battery.
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