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Data cables and charging equipment

A data line and resistance technology, applied in the field of communication, can solve the problem that the data line does not support PD protocol charging, etc.

Active Publication Date: 2021-10-12
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiment of the present application is to provide a data cable and a charging device, which can solve the problem that the data cable with a Type-A interface does not support PD protocol charging

Method used

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  • Data cables and charging equipment
  • Data cables and charging equipment
  • Data cables and charging equipment

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Embodiment Construction

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0016] The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein. In addition, "and / or" in the specification an...

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Abstract

The application discloses a data line and a charging device, which belong to the technical field of communication. Wherein, the data line includes the Type-A interface, the first interface and the cable, and the VBUS pin, D+ pin, D-pin and GND pin in the Type-A interface and the first interface are connected correspondingly; There is a circuit identification module, including a pull-up resistor, a switch circuit and a filter circuit. The first end of the switch circuit is connected to the CC pin of the first interface, the second end is connected to the first end of the pull-up resistor, and the third end is connected to the Type The CC pin of the Type-A interface is connected, the second end of the pull-up resistor is connected to the VBUS pin of the first interface, the first end of the filter circuit is connected to the CC pin of the Type-A interface, and the second end of the filter circuit is connected to the CC pin of the Type-A interface. The GND pin of the first interface is connected, and the output terminal of the filter circuit is connected with the control terminal of the switch circuit; wherein, under the control of the filter circuit, the first terminal of the switch circuit is connected with the second terminal or the third terminal. The embodiment of the present application enables a charging device with a Type-A interface to support a PD fast charging function.

Description

technical field [0001] The application belongs to the technical field of communication, and in particular relates to a data line and a charging device. Background technique [0002] With the development of science and technology, the application of fast charging is more and more extensive. [0003] In related technologies, the power delivery (Power Delivery, PD) protocol is usually used for fast charging, and a charger supporting PD protocol charging needs to use a CC signal line for communication. The charger supporting PD protocol charging usually adopts the third standard ( Type-C) interface, and with a Type-C to Type-C data cable. For the data line using the first standard (Type-A or Standard-A) interface, it communicates through the D+ / D- signal line, and cannot support PD protocol charging. However, currently the most widely used data cable is a data cable with a Type-A interface, so that the Type-A interface on a conventional data cable does not support PD protocol ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00H01R13/70H01R13/66
CPCH02J7/00034H02J7/00045H02J7/0013H01R13/665H01R13/70H02J2207/30H01R13/701H01L27/0266H01L27/0262
Inventor 罗方丁刘彦彬
Owner VIVO MOBILE COMM CO LTD
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