# US 2020/0403433 A1 · Electronic device including connector and method for controlling power transmission/reception in electronic device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2020/0403433 A1 - Document ID: US20200403433A1 - Status: Published application - Kind: A1 - Application number: 16/765,041 - Filed: 2018-11-28 - Published: 2020-12-24 - Earliest claimed: 2017-11-28 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Ilhyung CHUNG; Cheolho LEE - Web page: https://patentgrep.com/patent/US20200403433A1 ## CPC - G06F 1/3206: Monitoring of events, devices or parameters that trigger a change in power modality - G06F 11/3027: {where the computing system component is a bus} - G06F 11/327: {Alarm or error message display} - G06F 13/382: {using universal interface adapter} - H02J 7/04: Regulation of charging current or voltage - H02J 7/42: with electronic devices having internal batteries, e.g. mobile phones - H02J 7/47: Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source - H04M 1/725: Cordless telephones (user interfaces specially adapted therefor H04M1/724) - G06F 2213/0042: Universal serial bus [USB] - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract An electronic device according to various embodiments of the present invention may comprise: a connector comprising at least one power terminal for receiving power supplied from an external electronic device, and at least one data terminal for transmitting/receiving data to/from the external electronic device; and a processor comprising at least one sensing terminal connected to the at least one data terminal through at least one resistor, wherein the processor is configured to: when the external electronic device is connected to the electronic device through the connector, check a value corresponding to the voltage at the at least one data terminal, by using the at least one sensing terminal; and transmit, to the external electronic device, a control signal for controlling power supply from the external electronic device, on the basis of the value checked by means of the at least one sensing terminal. The various embodiments of the present invention may also include other embodiments. ## Claims ### Claim 1 An electronic device comprising: a connector comprising at least one power terminal configured to receive power supplied from an external electronic device, and at least one data terminal configured to transmit or receive data to or from the external electronic device; and a processor comprising at least one detection terminal connected to the at least one data terminal through at least one resistor, wherein the processor is configured to: when the external electronic device is connected to the electronic device through the connector, identify a value corresponding to a voltage of the at least one data terminal by using the at least one detection terminal, and transmit, to the external electronic device, a control signal for controlling power supply from the external electronic device, based on the value identified using the at least one detection terminal. ### Claim 2 (depends on 1) The electronic device of claim 1, wherein the at least one data terminal of the connector is connected to the detection terminal of the processor through a first line, and wherein the at least one detection terminal is connected in parallel to the first line through the at least one resistor. ### Claim 3 (depends on 1) The electronic device of claim 1, further comprising: a power delivery integrated circuit/chip (PDIC), wherein the processor is further configured to transmit the control signal to the external electronic device through at least one first terminal of the power charging circuit. ### Claim 4 (depends on 1) The electronic device of claim 1, wherein the connector is a universal serial bus (USB) Type-C connector, and wherein the at least one data terminal comprises at least one SSTX− terminal and at least one SSRX− terminal. ### Claim 5 (depends on 1) The electronic device of claim 1, wherein the at least one data terminal comprises a data terminal in a first direction and a data terminal in a second direction, and wherein the at least one resistor is connected to a logic gate configured to allow a voltage of the data terminal in the first direction or a voltage of the data terminal in the second direction to be input to a second detection terminal among the at least one detection terminal, according to a direction in which an external connector of the external electronic device is inserted into the connector. ### Claim 6 (depends on 1) The electronic device of claim 1, wherein the processor is further configured to, when the value identified using the at least one detection terminal exceeds a designated value, determine that short-circuiting has occurred in the at least one data terminal. ### Claim 7 (depends on 6) The electronic device of claim 6, further comprising: an input-output interface, wherein the processor is further configured to output, in a form of a screen, sound, or vibration, information related to a short-circuiting state in the at least one data terminal through the input/output interface. ### Claim 8 (depends on 3) The electronic device of claim 3, wherein the connector further comprises an identification terminal configured to identify the external electronic device, and wherein the processor is further configured to identify whether the external electronic device is a host device of the electronic device, based on a voltage of the identification terminal. ### Claim 9 (depends on 8) The electronic device of claim 8, wherein the processor is further configured to: when the external electronic device is the host device of the electronic device, stop a connection with the external electronic device, and transmit, to the external electronic device, through the power charging circuit, the control signal requesting that power not be supplied to the electronic device at a high speed. ### Claim 10 An electronic device comprising: a universal serial bus (USB) Type-C connector comprising at least one data terminal configured to perform high-speed data transmission/reception, and at least one power terminal configured to perform power supply; a processor comprising at least one first terminal connected to the at least one data terminal among a plurality of terminals of the USB Type-C connector; and a short-circuiting detection circuit connected between the at least one data terminal of the USB Type-C connector and the at least one first terminal of the processor, wherein the processor is configured to identify whether short-circuiting occurs in the at least one data terminal, by a voltage value determined through the short-circuiting detection circuit. ### Claim 11 (depends on 10) The electronic device of claim 10, wherein the short-circuiting detection circuit comprises at least one resistor. ### Claim 12 (depends on 11) The electronic device of claim 11, wherein the short-circuiting detection circuit is connected to at least one detection terminal of the processor, and wherein the processor is further configured to identify whether the short-circuiting occurs in the at least one data terminal, by a voltage value input through the at least one detection terminal. ### Claim 13 An electronic device comprising: a universal serial bus (USB) Type-C connector comprising at least one data terminal configured to perform high-speed data transmission/reception with an external electronic device, and at least one power terminal configured to perform power supply; a processor comprising at least one first terminal connected to the at least one data terminal among a plurality of terminals of the USB Type-C connector; a power charging circuit (power delivery integrated circuit/chip: PDIC); and a short-circuiting detection circuit connected between the at least one data terminal of the USB Type-C connector and the at least one first terminal of the processor, wherein the processor is configured to: when the external electronic device is connected to the electronic device through the USB Type-C connector, identify a value corresponding to a voltage of the at least one data terminal by using the at least one first terminal, and transmit, to the external electronic device, a control signal for controlling power supply from the external electronic device, through at least one second terminal of the power charging circuit, based on the value identified using the at least one first terminal. ### Claim 14 (depends on 13) The electronic device of claim 13, further comprising: an input-output interface, wherein the processor is further configured to: when the value identified using the at least one first terminal exceeds a designated value, determine that short-circuiting has occurred in the at least one data terminal, and output, in a form of a screen, sound, or vibration, information related to a short-circuiting state in the at least one data terminal through the input-output interface. ### Claim 15 (depends on 13) The electronic device of claim 13, wherein the USB Type-C connector further comprises an identification terminal configured to identify the external electronic device, and wherein the processor is further configured to: determine whether the external electronic device is a host device of the electronic device, based on a voltage of the identification terminal, when the external electronic device is the host device of the electronic device, stop a connection with the external electronic devices, and transmit, to the external electronic device, through the power charging circuit, the control signal requesting that power not be supplied to the electronic device at a high speed.