Vivo Mobile Communication Co., Ltd.

Fangding Luo

Tao Zhang

Yanbin Liu

Junchen Wei

Mingli Feng

A data line and a charging device are provided. The data line includes a Type-A port, a first port, a cable, and a circuit identification module. VBUS pins, D+ pins, D− pins, and GND pins in the Type-A port and the first port are connected in one-to-one correspondence. The circuit identification module includes a pull-up resistor, a switch circuit, and a detection circuit. A first terminal of the switch circuit is connected to the CC pin of the first port, a second terminal is connected to the VBUS pin through the pull-up resistor, a third terminal is connected to the CC pin of the Type-A port, an input terminal of the detection circuit is connected to the CC pin of the Type-A port, and an output terminal is connected to a control terminal of the switch circuit.

Data line and charging device

A data cable and a charging device. The data cable includes a Type-A interface, a first interface, and a cable, where a VBUS pin, a D+ pin, a D− pin, and a GND pin in each of the Type-A interface and the first interface are connected in a one-to-one correspondence; and the data cable is provided with a circuit identification module, where the circuit identification module includes a pull-up resistor, a switch circuit, and a filter circuit, a first terminal of the switch circuit is connected to a CC pin of the first interface, a second terminal is connected to a first terminal of the pull-up resistor, a third terminal is connected to a CC pin of the Type-A interface, where under the control of the filter circuit, the first terminal of the switch circuit is connected to the second terminal or the third terminal.

Data cable and charging device

A protection method, a protection apparatus, an electronic device, a readable storage medium, and a chip are provided. The protection method includes: detecting a voltage variable of a configuration channel pin; determining conversion time of the voltage variable according to the voltage variable; comparing the conversion time with preset conversion time to obtain a comparison result; and when the comparison result is that the conversion time is less than or equal to preset conversion time, cutting off power supply of the configuration channel pin.

Protection method, protection apparatus, electronic device, readable storage medium, and chip

A data cable and a charging device are provided. The data cable includes a type-A interface and a type-C interface. The type-A interface and the type-C interface each includes a VBUS pin, a CC pin, a D+ pin, a D− pin, and a GND pin. A circuit identification module is disposed in the data cable, and the circuit identification module includes a switch circuit, a filtering circuit, a voltage regulator circuit, and a comparator circuit. The switch circuit is connected to a CC pin of the type-C interface, an output end of the voltage regulator circuit, a CC pin of the type-A interface, and an output end of the comparator circuit. Under the control of the comparator circuit, the switch circuit connects the CC pin of the type-C interface to the CC pin of the type-A interface or the output end of the voltage regulator circuit.

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Dongguan, China

Fangding Luo