Charger system and method
DCFirst Claim
1. A charger able to provide power through a Universal Serial Bus (“
- USB”
) connector, the USB connector having two data lines, the charger comprising;
a power source interface configured to receive power;
a power converter coupled to the power source interface, the power converter configured to use the received power to generate power output; and
a charging controller configured to control an amount of power provided at the USB connector on power lines derived from the power output, and configured to generate an identification signal on the USB connector'"'"'s two data lines, the identification signal usable to indicate the charger is not subject to standard USB power limitations.
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Litigations
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Accused Products
Abstract
Systems and methods of providing power through a Universal Serial Bus connector are provided. A charging system comprises an interface configured to receive power, a power converter coupled to the power source interface, the power converter configured to use the received power to generate power output, and a charging controller configured to control an amount of power provided at the USB connector on the power lines derived from the power output, and configured to generate an identification signal on the USB connector'"'"'s two data lines, the identification signal usable to indicate the charger is not subject to standard USB power limitations, the identification signal provided through the use of a resistance between the D+ and D− data lines.
30 Citations
18 Claims
-
1. A charger able to provide power through a Universal Serial Bus (“
- USB”
) connector, the USB connector having two data lines, the charger comprising;a power source interface configured to receive power; a power converter coupled to the power source interface, the power converter configured to use the received power to generate power output; and a charging controller configured to control an amount of power provided at the USB connector on power lines derived from the power output, and configured to generate an identification signal on the USB connector'"'"'s two data lines, the identification signal usable to indicate the charger is not subject to standard USB power limitations. - View Dependent Claims (2, 3, 4, 5)
- USB”
-
6. A method for providing a charge current by a charger having a Universal Serial Bus (“
- USB”
) connector, the USB connector having a D+ data line and a D−
data line, the method comprising;receiving power at an interface configured to receive power; generating a power output derived from the received power and providing the generated power at the USB connector; and providing an identification signal using the USB connector'"'"'s D+ and D−
data lines, the identification signal usable to indicate the charger is not subject to standard USB power limitations. - View Dependent Claims (7, 8, 9, 10)
- USB”
-
11. A method for providing a charge current by a charger having a Universal Serial Bus (“
- USB”
) connector, the USB connector having a D+ data line and a D−
data line, the method comprising;receiving power at a power source interface configured to receive power from a source other than the charger; converting the received power into output power; controlling an amount of power provided at the USB connector, the controlled amount of power derived from the output power; enabling an identification signal on the USB connector'"'"'s D+ and D−
lines; andproviding output power to the USB connector based on at least one of voltage and current draw detectable from the power lines of the USB connector, differently than normal USB power limitations. - View Dependent Claims (12, 13, 14)
- USB”
-
15. A method for signaling by a charger having a Universal Serial Bus (“
- USB”
) connector, the USB connector having two data lines, the method comprising;receiving power at an interface configured to receive power; converting the received power into output power; providing power at the USB connector, the power derived from the power output; and providing a signal on the USB connector'"'"'s two data lines, the signal usable to indicate the charger is not subject to standard USB power limitations. - View Dependent Claims (16, 17, 18)
- USB”
Specification