×

Electronic device and external device charging method

  • US 10,547,187 B2
  • Filed: 03/01/2017
  • Issued: 01/28/2020
  • Est. Priority Date: 03/04/2016
  • Status: Active Grant
First Claim
Patent Images

1. An electronic device comprising:

  • a connector that connects with an external electronic device, wherein the connector includes a first pin and a second pin and provides connections using a first protocol and a second protocol;

    a plug that connects with an external power source;

    a power supply circuit configured to supply power to the external electronic device through the connector;

    a first charging module configured to control a charging voltage and a charging current of the power supply circuit based on charging request information received through the first pin including a D+ pin or a D−

    pin of the connector;

    a second charging module configured to receive second protocol-related charging request information from the external electronic device through the second pin including a CC1 pin or a CC2 pin of the connector;

    a switch connected between the first charging module and the first pin; and

    a processor configured to, in response to the second-protocol related charging request information;

    convert the second protocol-related charging request information to first protocol-related charging request information,transmit the converted first protocol-related charging request information to the first charging module, anddisconnect a path between the first charging module and the first pin using the switch,wherein, when a first charging voltage and a first charging current included in the converted first protocol-related charging request information does not match with a first list including voltages and currents for the first protocol, the first charging module converts the first charging voltage and the first charging current to a second charging voltage and a second charging current corresponding to the first list using mapping information between the first list and a second list, andwherein the second list includes voltages and currents for the second protocol.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×