Method and device for charging detection on USB type C equipment

A charging detection and equipment technology, applied in the electronic field, can solve the problems of easy damage of configuration signals, and achieve the effects of improving safety, solving extremely easy damage, and improving reliability and safety.

Active Publication Date: 2017-02-22
ANALOGIX CHINA SEMICON +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Embodiments of the present invention provide a charging detection method and device for a USB type C device, to at least solve the technical problem in the related art that the configuration signal is easily damaged when the USB type C device is charged at high voltage

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  • Method and device for charging detection on USB type C equipment
  • Method and device for charging detection on USB type C equipment
  • Method and device for charging detection on USB type C equipment

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses a method and a device for charging detection on USB type C equipment. The method comprises steps that a voltage of a configuration signal of the USB type C equipment is acquired; whether the voltage of the configuration signal surpasses a first threshold is detected; if the voltage of the configuration signal is detected to surpass the first threshold, high voltage charging for the USB type C equipment is forbidden; if the voltage of the configuration signal is detected to be lower than the first threshold, high voltage charging for the USB type C equipment is permitted. The method is advantaged in that a technical problem that the configuration signal can be easily damaged during high voltage charging for the USB type C equipment in the prior art is solved.

Description

technical field [0001] The present invention relates to the field of electronic technology, in particular, to a charging detection method and device for a USB type C device. Background technique [0002] With the continuous update of USB devices, USB type C devices, which are upgrade devices of USB type A devices, have appeared on the market. In order to make the two devices compatible, there are two types of USB type A devices in related technologies. The cable of the device, in the standard cable, the configuration signal CC of the USB type C device interface is connected to the signal Vbus of the transmission power through a 56K resistor, such as figure 1 As shown, while the configuration signal CC is directly connected to the signal Vbus of the transmission power in a non-standard cable, such as figure 2 shown. In actual use, the USB type C device interface will be directly connected to the USB typeC device, and the USB type A device interface will be directly connect...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/00H02J7/00045H02J7/0036
Inventor 文其林
Owner ANALOGIX CHINA SEMICON
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