Charger, data cable and charging device

A data cable, comprising a second Type-A port, a Type-C port, and a cable connecting the second Type-A port and the Type-C port, wherein the data cable is provided with a charger matching unit and a second switching unit;

• the second Type-A port and the Type-C port each comprise a third communication pin and a fourth communication pin, and the Type-C port further comprises a first CC pin;
• the second switching unit is connected to the third communication pin and the fourth communication pin of the second Type-A port, the third communication pin and the fourth communication pin of the Type-C port, and the charger matching unit;
• and
• in a case that the data cable connects a charger to a to-be-charged device, if the charger is a first charger, the second switching unit connects the third communication pin of the second Type-A port to the first CC pin, connects the fourth communication pin of the second Type-A port to the charger matching unit, and disconnects the third communication pins and the fourth communication pins of the second Type-A port and the Type-C port;
• or
• in a case that the data cable connects a charger to a to-be-charged device, if the charger is a second charger, the second switching unit connects the third communication pins and the fourth communication pins of the second Type-A port and the Type-C port in one-to-one correspondence, disconnects the third communication pin of the second Type-A port from the first CC pin, and disconnects the fourth communication pin of the second Type-A port from the charger matching unit;
• wherein
• in a case that the charger matching unit determines, based on a match signal transmitted through the fourth communication pin of the second Type-A port, that the charger matches the data cable, the charger is the first charger;
• or in a case that the charger matching unit determines, based on the match signal transmitted through the fourth communication pin of the second Type-A port, that the charger does not match the data cable, the charger is the second charger.

A charging device, comprising a charger and a data cable,

• wherein the charger comprises a first Type-A port, a power delivery PD charging processing unit, a non-PD charging processing unit, a data cable matching unit, and a first switching unit;
• wherein
• the first Type-A port comprises a first communication pin and a second communication pin, and the first switching unit is connected to the first communication pin, the second communication pin, the data cable matching unit, the PD charging processing unit, and the non-PD charging processing unit;
• and
• in a case that the charger is connected to a data cable, if the data cable is a first data cable, the first switching unit connects the first communication pin to the PD charging processing unit, connects the second communication pin to the data cable matching unit, and disconnects both the first communication pin and the second communication pin from the non-PD charging processing unit;
• or
• in a case that the charger is connected to a data cable, if the data cable is a second data cable, the first switching unit connects both the first communication pin and the second communication pin to the non-PD charging processing unit, and disconnects both the first communication pin and the second communication pin from the PD charging processing unit and the data cable matching unit;
• wherein
• in a case that the data cable matching unit determines, based on a communication signal transmitted through the second communication pin, that the data cable matches the charger, the data cable is the first data cable;
• or in a case that the data cable matching unit determines, based on the communication signal transmitted through the second communication pin, that the data cable does not match the charger, the data cable is the second data cable,
• wherein the data cable comprises a second Type-A port, a Type-C port, and a cable connecting the second Type-A port and the Type-C port, wherein the data cable is provided with a charger matching unit and a second switching unit;
• the second Type-A port and the Type-C port each comprise a third communication pin and a fourth communication pin, and the Type-C port further comprises a first CC pin;
• the second switching unit is connected to the third communication pin and the fourth communication pin of the second Type-A port, the third communication pin and the fourth communication pin of the Type-C port, and the charger matching unit;
• and
• in a case that the data cable connects a charger to a to-be-charged device, if the charger is a first charger, the second switching unit connects the third communication pin of the second Type-A port to the first CC pin, connects the fourth communication pin of the second Type-A port to the charger matching unit, and disconnects the third communication pins and the fourth communication pins of the second Type-A port and the Type-C port;
• or
• in a case that the data cable connects a charger to a to-be-charged device, if the charger is a second charger, the second switching unit connects the third communication pins and the fourth communication pins of the second Type-A port and the Type-C port in one-to-one correspondence, disconnects the third communication pin of the second Type-A port from the first CC pin, and disconnects the fourth communication pin of the second Type-A port from the charger matching unit;
• wherein
• in a case that the charger matching unit determines, based on a match signal transmitted through the fourth communication pin of the second Type-A port, that the charger matches the data cable, the charger is the first charger;
• or in a case that the charger matching unit determines, based on the match signal transmitted through the fourth communication pin of the second Type-A port, that the charger does not match the data cable, the charger is the second charger,
• in a case that the charger is connected to the data cable, the first communication pin is connected to the third communication pin, and the second communication pin is connected to the fourth communication pin;
• and
• the data cable matching unit is configured to:
• upon determining that the data cable matches the charger successfully, control the first switching unit to connect the first communication pin to the PD charging processing unit, connect the second communication pin to the data cable matching unit, and disconnect both the first communication pin and the second communication pin from the non-PD charging processing unit;
• and control the second switching unit to connect the third communication pin of the second Type-A port to the first CC pin, connect the fourth communication pin of the second Type-A port to the charger matching unit, and disconnect the third communication pins and the fourth communication pins of the second Type-A port and the Type-C port.