# US 12,119,701 B2 · Systems and methods for universal serial bus (USB) power delivery with multiple charging ports > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,701 B2 - Document ID: US12119701B2 - Status: Granted - Kind: B2 - Application number: 17/177,100 - Filed: 2021-02-16 - Published: 2021-06-03 - Granted: 2024-10-15 - Earliest claimed: 2021-02-16 - Assignees: Leviton Manufacturing Co., Inc. - Applicants: Leviton Manufacturing Co, Inc. - Inventors: Ankit Milan Sanghvi; Benjamin R. Weiss; Mahesh Srinivasan; Ronald Jansen; Michael Kamor; William Randall - Web page: https://patentgrep.com/patent/US12119701B2 ## CPC - H02J 7/575: {Parallel/serial switching of connection of batteries to charge or load circuit} - H02J 7/975: {in response to temperature} - H02J 7/342: {The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging (with circuits for polarity protection H02J7/68)} - H02J 7/50: acting upon multiple batteries simultaneously or sequentially - H02J 7/65: against overtemperature - H02J 7/685: {using connection detecting circuits (H02J7/68 takes precedence)} - H02J 7/751: {concerning the insertion or the connection of the batteries} - H02J 7/82: Control of state of charge [SOC] - H02J 7/35: with light sensitive cells - H02J 2207/20: Charging or discharging characterised by the power electronics converter - H02J 2207/30: Charge provided using DC bus or data bus of a computer - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A universal serial bus (USB) charging system includes 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 is configured to convert an input voltage to a plurality of output voltages. A plurality of charging ports are electrically connected with the plurality of power supply outputs, respectively. Each of the plurality of charging ports provides an output voltage selected from the plurality of output voltages to an electronic device. A logic circuit is in electrical communication with the power supply and the plurality of charging ports. The logic circuit provides direct feedback to the power supply to output a particular output voltage of the plurality of output voltages to the plurality of charging ports and regulates a temperature of the plurality of charging ports. ## Claims ### Claim 1 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 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. ### Claim 2 (depends on 1) The USB charging system of claim 1, wherein a maximum wattage deliverable to each charging port of the plurality of charging ports is from about 1 watt to about 100 watts. ### Claim 3 The USB charging system of clam 1, wherein the plurality of charging ports includes a USB Type-A port, or a USB Type-C port. ### Claim 4 (depends on 1) The USB charging system of claim 1, further including a thermistor connected with one or more of a first power delivery (PD) controller integrated circuit (IC) or a second PD controller IC of the logic circuit, the thermistor configured to transmit temperature data of the USB charging system thereto, the thermistor being in communication with a charging port of the plurality of charging ports. ### Claim 5 (depends on 1) The USB charging system of claim 1, wherein the reduced wattage delivered to the particular charging port of the plurality of charging ports is maintained at an above-zero level until a temperature of the particular charging port of the plurality of charging ports is reduced below a second predetermined threshold. ### Claim 6 (depends on 1) The USB charging system of claim 1, wherein a first power converter of the plurality of power converters is configured to simultaneously output a first output voltage different from a second output voltage output by a second power converter of the plurality of power converters. ### Claim 7 (depends on 1) The USB charging system of claim 1, wherein the logic circuit comprises a power delivery (PD) controller integrated circuit (IC) connected with a first charging port of the plurality of charging ports and a second charging port of the plurality of charging ports. ### Claim 8 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. ### Claim 9 (depends on 8) The USB charging system of claim 8, wherein a maximum wattage deliverable to each charging port of the plurality of charging ports is from about 1 watt to about 100 watts. ### Claim 10 The USB charging system of clam 8, wherein the plurality of charging ports includes a USB Type-A port, a USB Type-C port, or a Line-Voltage port. ### Claim 11 (depends on 8) The USB charging system of claim 8, further including a current sensor electrically connected with at least one charging port of the plurality of charging ports, the current sensor configured to collect current data for the at least one charging port of the plurality of charging ports and communicate the current data to the logic circuit. ### Claim 12 (depends on 8) The USB charging system of claim 8, wherein the reduced wattage delivered to the particular charging port of the plurality of charging ports is maintained at an above-zero level until a current of the particular charging port of the plurality of charging ports is reduced below a second predetermined threshold. ### Claim 13 (depends on 8) The USB charging system of claim 8, wherein a first power converter of the plurality of power converters is configured to simultaneously output a first output voltage with a second output voltage output by a second power converter of the plurality of power converters. ### Claim 14 (depends on 8) The USB charging system of claim 8, wherein the logic circuit comprises a power delivery (PD) controller integrated circuit (IC) connected with a first charging port of the plurality of charging ports and a second charging port of the plurality of charging ports. ### Claim 15 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. ### Claim 16 (depends on 15) The USB charging system of claim 15, wherein the thermally conductive housing includes a metal. ### Claim 17 (depends on 15) The USB charging system of claim 15, wherein a maximum wattage deliverable to each charging port of the plurality of charging ports is at least 30 watts. ### Claim 18 (depends on 15) The USB charging system of claim 15, wherein the plurality of charging ports includes a USB Type-A port, a USB Type-C port, or a Line-Voltage port. ### Claim 19 (depends on 15) The USB charging system of claim 15, wherein the reduced wattage delivered to the particular charging port of the plurality of charging ports is maintained at an above-zero level until a temperature of the particular charging port of the plurality of charging ports is reduced below a second predetermined threshold. ### Claim 20 (depends on 15) The USB charging system of claim 15, wherein a first power converter of the plurality of power converters is configured to simultaneously output a first output voltage different from a second output voltage output by a second power converter of the plurality of power converters. ### Claim 21 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. ### Claim 22 (depends on 21) The USB charging system of claim 21, wherein a maximum combined wattage deliverable to the first and second charging ports is from about 1 watt to about 100 watts. ### Claim 23 (depends on 21) The USB charging system of claim 21, wherein the first charging port and the second charging port art both USB Type-C ports. ### Claim 24 (depends on 21) The USB charging system of claim 21, wherein the reduced wattage delivered to the first device connected with the first charging port of the plurality of charging ports is maintained at an above-zero level, by the logic circuit, when the state of charge of the first device is below a maximum state of charge for the first device. ### Claim 25 (depends on 21) The USB charging system of claim 21, wherein the reduced wattage delivered to the first device connected with the first charging port of the plurality of charging ports is maintained at a range of from 0 watts to about 15 watts, by the logic circuit, when the state of charge of the first device reaches a maximum state of charge for the first device. ### Claim 26 (depends on 21) The USB charging system of claim 21, wherein when the state of charge of the first device reaches a maximum state of charge for the first device, the increased wattage delivered to the second device is maintained at substantially a maximum wattage output of the USB charging system by the logic circuit. ### Claim 27 (depends on 21) The USB charging system of claim 21, further including a first current sensor connected with the first charging port and a second current sensor connected with the second charging port, the first current sensor configured to communicate data of a first load current in the first current sensor to the logic circuit, and the second current sensor configured to communicate data of a second load current in the second current sensor to the logic circuit. ### Claim 28 (depends on 27) The USB charging system of claim 27, wherein the logic circuit is configured to receive the data of the first load current and the second load current, and adjust the wattage delivered to the device connected with each charging port of the plurality of charging ports in real-time. ### Claim 29 (depends on 21) The USB charging system of claim 21, wherein a first power converter of the plurality of power converters is configured to simultaneously output a first output voltage different from a second output voltage output by a second power converter of the plurality of power converters. ### Claim 30 (depends on 21) The USB charging system of claim 21, wherein the logic circuit comprises a first power delivery (PD) controller integrated circuit (IC) and a second PD controller IC, the first PD controller IC electrically connected with a first charging port of the plurality of charging ports and the second PD controller IC electrically connected with a second charging port of the plurality of charging ports.