BIDIRECTIONAL CHARGING DETECTION CIRCUIT AND DATA CABLE

Disclosed is a bidirectional charging detection circuit and a data cable. The circuit includes a first charging interface, a second charging interface electrically connected to the first charging interface, a sampling resistor connected in series between the first charging interface and the second charging interface, and a processing module electrically connected to the sampling resistor and used for identifying a direction of a charging current; wherein the processing module is provided with a first current sampling terminal and a second current sampling terminal. A technical solution of the present disclosure can identify the direction and magnitude of the charging current between the first charging interface and the second charging interface, and can improve reliability and safety of charging.