Systems and methods for universal serial bus (USB) power delivery with multiple charging ports

A universal serial bus (USB) charging system, comprising:

• a power supply including a plurality of power converters connected electrically parallel to one another and a plurality of power supply outputs electrically coupled to the plurality of power converters, respectively, each of the plurality of power converters configured to convert an input voltage to a plurality of output voltages;
• a plurality of charging ports electrically connected with the plurality of power supply outputs, respectively, each of the plurality of charging ports configured to provide an output voltage selected from the plurality of output voltages to an electronic device;
• a temperature sensor;
• and
• a logic circuit in electrical communication with the power supply and the plurality of charging ports, the logic circuit configured to provide direct feedback to the power supply to output a particular output voltage of the plurality of output voltages to the plurality of charging ports, the logic circuit configured to regulate a wattage delivered to two or more charging ports of the plurality of charging ports,
• wherein the logic circuit is in electrical communication with the temperature sensor and the logic circuit is configured to detect a current drawn by the two or more charging ports of the plurality of charging ports and reduce a current drawn by a particular charging port of the plurality of charging ports if a temperature detected in the particular charging port of the plurality of charging ports exceeds a predetermined threshold.

A universal serial bus (USB) charging system, comprising:

• a power supply including a plurality of power converters connected electrically parallel to one another and a plurality of power supply outputs electrically coupled to the plurality of power converters, respectively, each of the plurality of power converters configured to convert an input voltage to a plurality of output voltages;
• a plurality of charging ports electrically connected with the plurality of power supply outputs, respectively, each of the plurality of charging ports configured to provide an output voltage selected from the plurality of output voltages to an electronic device;
• a temperature sensor;
• a logic circuit in electrical communication with the power supply and the plurality of charging ports, the logic circuit configured to provide direct feedback to the power supply to output a particular output voltage of the plurality of output voltages to the plurality of charging ports, the logic circuit configured to regulate a wattage delivered to two or more charging ports of the plurality of charging ports,
• wherein the logic circuit is in electrical communication with the temperature sensor and the logic circuit is configured to detect a temperature of the two or more charging ports of the plurality of charging ports and reduce a wattage delivered to a particular charging port of the plurality of charging ports if a temperature detected in the particular charging port of the plurality of charging ports exceeds a predetermined threshold;
• and
• a thermally conductive housing in thermal contact with the power supply, the plurality of charging ports and the logic circuit, the thermally conductive housing configured to transfer heat away from at least one of the power supply, the charging ports of the plurality of charging ports, or the logic circuit to reduce a temperature of the USB charging system.

A universal serial bus (USB) charging system, comprising:

• a power supply including a plurality of power converters and a plurality of power supply outputs electrically coupled to the plurality of power converters, respectively, each of the plurality of power converters configured to convert an input voltage to a plurality of output voltages;
• a plurality of charging ports electrically connected with the plurality of power supply outputs, respectively, each of the plurality of charging ports configured to provide an output voltage selected from the plurality of output voltages to an electronic device;
• a temperature sensor;
• and
• a logic circuit in electrical communication with the power supply, the plurality of charging ports and the temperature sensor, the logic circuit configured to provide direct feedback to the power supply to output a particular output voltage of the plurality of output voltages to the plurality of charging ports, the logic circuit configured to monitor a state of charge of a device connected with each charging port of the plurality of charging ports and regulate a wattage delivered to the device connected with each charging port of the plurality of charging ports,
• wherein the logic circuit is configured to reduce a wattage delivered to a first charging port of the plurality of charging ports when a state of charge of a first device connected with the first charging port of the plurality of charging ports exceeds a predetermined threshold and increase a wattage delivered to a second device connected with a second charging port of the plurality of charging ports when the state of the charge of the first device exceeds the predetermined threshold.