Data cable and electronic device

A data cable, comprising a Type-A (AM) connector, a Universal Serial Bus (USB) Type-C connector, a connection cable, and at least one capacitor,

• wherein two ends of the connection cable are respectively electrically connected to the AM connector and the USB Type-C connector;
• and the connection cable comprises:
• an aluminum foil configured to shield an electromagnetic wave, wherein accommodation space is formed on an inner side of the aluminum foil;
• two power lines, two signal lines, and two internal grounding wires disposed in the accommodation space on the inner side of the aluminum foil;
• and
• an external grounding wire disposed on an outer side of the aluminum foil,
• wherein the power lines are configured to provide a power supply, and the signal lines are configured to transmit a USB signal;
• the internal grounding wires are disposed between the two signal lines, and are respectively connected to the two signal lines and the inner side of the aluminum foil, and the internal grounding wires are configured to provide a loop current for the power supply and provide a reference ground for the signal lines;
• and
• the external grounding wire is connected to the outer side of the aluminum foil and a metal housing of the AM connector;
• and
• the at least one capacitor is disposed between the metal housing of the USB Type-C connector and a grounding wire of the connection cable and is configured to guide an electromagnetic wave coupled to the metal housing of the USB Type-C connector to the grounding wire, wherein the grounding wire of the connection cable comprises:
• the internal grounding wire or the external grounding wire, wherein the USB Type-C connector comprises a printed circuit board (PCB), and wherein the PCB comprises:
• two signal ports respectively corresponding to the two signal lines, a top layer, at least one connection layer, and a ground layer,
• wherein a region, corresponding to the two signal ports, in a first connection layer is an avoidance region, and the first connection layer is a connection layer adjacent to the top layer.

An electronic device, comprising an electronic device body and a data cable, wherein the data cable is removably electrically connected to the electronic device body, and the data cable comprises a Type-A (AM) connector, a Universal Serial Bus (USB) Type-C connector, a connection cable, and at least one capacitor,

• wherein two ends of the connection cable are respectively electrically connected to the AM connector and the USB Type-C connector;
• and the connection cable comprises:
• an aluminum foil configured to shield an electromagnetic wave, wherein accommodation space is formed on an inner side of the aluminum foil, and the aluminum foil is a double-layer aluminum foil or a multi-layer aluminum foil;
• two power lines, two signal lines, and two internal grounding wires disposed in the accommodation space on the inner side of the aluminum foil;
• and
• an external grounding wire disposed on an outer side of the aluminum foil,
• wherein the power lines are configured to provide a power supply, and the signal lines are configured to transmit a USB signal;
• the internal grounding wires are electrically connected to the external grounding wire through the aluminum foil;
• the internal grounding wires are disposed between the two signal lines, and are respectively connected to the two signal lines and the inner side of the aluminum foil, and the internal grounding wires are configured to provide a loop current for the power supply and provide a reference ground for the signal lines;
• the external grounding wire is connected to the outer side of the aluminum foil and a metal housing of the AM connector;
• the internal grounding wires are electrically connected to the metal housing of the AM connector through the external grounding wire and the aluminum foil;
• and
• the at least one capacitor is disposed between the metal housing of the USB Type-C connector and a grounding wire of the connection cable and is configured to guide an electromagnetic wave coupled to the metal housing of the USB Type-C connector to the grounding wire, wherein the grounding wire of the connection cable comprises:
• the internal grounding wire or the external grounding wire.