Shulou(Shulou.com)11/24 Report--

CTOnews.com, October 11, according to the China Communications Standardization Association, from September 26 to September 27, 2023, the Technical working Group of the Terminal Quick charging Technology and Standards Promotion Committee of the China Communications Standardization Association (CCSA / TC626 / WG1) and the Green Energy Technology Group of the Telecommunications Terminal Industry Association (TAF / WG10) jointly held the third meeting of 2023 in Chongqing. The second meeting was held jointly by the Industrial Promotion Group (CCSA / TC626 / WG2) and the FCA Industrial Promotion Group. A total of 48 experts from TC626 member units, such as terminal manufacturers and chip manufacturers, attended the meeting.

At the third joint meeting of TC626 / WG1 and TAF / WG10, Zhao Xiaoxin, head of TC626 / WG1, introduced the working methods of TC626 / WG1 to the meeting in detail, including the scope of work of the working group, work functions, the setting of group leaders, the working procedures for developing group standards within the group and related documents, and announced the list of WG1 deputy leaders approved by the chairman of TC626. Including Sun Ruinan of Huawei Terminal Co., Ltd., Liu Zhen of OPPO Guangdong Mobile Communications Co., Ltd., Zhang Yuan of Weiwo Mobile Communications Co., Ltd., and Yu Lei of Beijing Xiaomi Mobile Software Co., Ltd.

Subsequently, according to the agenda of the meeting, the cost reduction of voltage accuracy / current accuracy, how to obtain the necessary information from Sink by Source, whether the constant current loop must be supported, the signal isolation between the main control chip and the charging chip, and the resource consumption of encryption algorithms are discussed in detail. At the same time, the cooperation between testing and certification is also discussed. And whether it is necessary to develop a series of standards for different application scenarios and other issues such as in-depth, frank and constructive discussion and communication.

The participants also discussed the technical requirements for converged fast charging of mobile terminals (phase II), the testing methods for converged fast charging of mobile terminals (phase II), and the technical specifications for supporting converged fast charging cables for mobile terminals. the manuscripts submitted for review were deeply exchanged and discussed. After the meeting, the standard drafting group will further improve the draft standard according to the conclusion of the meeting, and promote the draft standard to be passed and submitted for review as soon as possible.

At the second joint meeting of TC626 / WG2 and FCA Industry Promotion Group held in the same period, it was announced that Li Jieqiang of China Information and Communications Research Institute would be the deputy head of TC626 / WG2 with the approval of Chairman TC626. The subsequent meeting focused on the contract of the spare trademark, and discussed the feasibility and implementation path of applying converged fast charging technology in other pan-terminal and various types of connector scenarios other than mobile phones.

CTOnews.com Note: China Communications Standardization Association was established in Beijing on December 18, 2002. it is a non-profit legal person social organization organized voluntarily by domestic enterprises and institutions, approved by the competent department of business and registered by the national association registration authority to carry out standardization activities in the field of communication technology. At present, the association has more than 1000 member units at home and abroad, covering the fields of information and communication industry, Internet, software development, automobile manufacturing, electric power, medical treatment and finance.

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