On March 30, 2018 (Friday), the Charging Head Network, Guangdong Power Battery Standardization Technical Committee and Baijiatai Co., Ltd. jointly held the "2018 (Spring) China USB PD Fast Charging Industry Summit" in Shenzhen. More than 500 upstream and downstream enterprises in the supply chain, such as the chip original factory/original factory agent, scheme design manufacturer, test equipment factory, OEM, electronic component factory, were gathered on the site.
This industry summit forum also specially invited seven industry leaders to analyze and explain the USB PD fast charging technology in all aspects, and jointly discussed how to seize the opportunity and take off at the outlet under the general trend of USB PD fast charging. Before the official speech of the guest speaker, President Lai of ALLION was invited to deliver an opening speech.
The first speaker on the stage was Mr. Qiu Hongzhi, the new business development manager of Weifeng Electronics, who gave a keynote speech titled "Complete Introduction to PD Technology: USB-C Charging&USB PD Power Rules". Weifeng Electronics is a core member of USB-IF. With every technical innovation of USB 1.0, 2.0 and 3.0, through the disassembly of the charging head network, it was found that its products were adopted by the Nintendo Switch Docking Station, and the cumulative shipment has exceeded 10 million. Qiu Hongzhi introduced Weifeng VP300 PD Controller, Weifeng VP302 PD Controller for SMPS and other series of products in detail at the summit forum. In addition, he introduced Weifeng VP230/VP231 USB-C multi port scheme.
Among them, Weifeng VP300 is adopted by Netease 65W USB PD charger, which supports fast charging of iPhone 8 Plus, compatible with Huawei mate10, Shangtian Switch and other devices, and its product performance has been recognized by users.
Next, Ms. Deng Li, System and Application Director of Shanghai Nanxin Semiconductor Technology Co., Ltd., shared the Introduction to Nanxin High Efficiency PD Scheme. As a new star in China's power supply industry, Shanghai Nanxin Semiconductor Technology Co., Ltd. launched the first full range of voltage rise and fall battery power supply solutions in China. It competed with the old famous manufacturers such as Lingte and TI in this field and became the pride of Chinachip. With excellent performance, it is recognized by Huawei, one of the world's top 500 companies, and has also entered Xiaomi Anker、 Supply chain of famous brands such as Zebao and Nanfu.
In her speech, Ms. Deng Li first introduced Nanxin's efficient DC-DC scheme: SC8701, SC8815, SC8915, SC8903, SC8001, and the latest SC8102/A and SC8013. Nanxin efficient PD DRP power supply scheme: SC8802, SC8812A/SC8815, SC8915, SC8902/A, SC8803, SC8813, SC8913 have been the latest SC8901. Among them, Nanxin SC8802 has entered the supply chain of Xiaomi, Zebao, Quanhan and other brands, and has been adopted by the world's first SCP super fast charging mobile power supply, which has been recognized by Huawei and the majority of users.
In addition, Ms. Deng Li also mentioned that Nanxin SC8915 fast charging solution participated in the development of the first Qualcomm certified QC4+car charger.
The third guest speaker was Mr. Chen Rongzhi from Yuqun Technology Co., Ltd., who served as the sales director of the company in China. The theme of this speech was "Introduction to the latest Type-C scheme of Yuqun Technology and explanation of USB PD application cases". Yuqun Technology Co., Ltd. is a global supplier of comprehensive USB Type-C solutions, integrating technologies such as USB high-speed transmission interface, power supply, Type-C and video capture, developing innovative and efficient USB Type-C solutions, and assisting system customers to quickly develop electronic products with various USB Type-C connectors.
At present, Yuqun's Type-C solution has a very broad application field, including Type-C interface computers, Thunderbolt 3 data cables, USB PD fast charging chargers, HUB and other audio data converters. With excellent product performance, Yuqun Type-C solution has entered the supply chain of Belkin car charger, GoPro charger and other brands. In addition, its EJ899 protocol chip has passed the USB PD3.0 and Qualcomm QC3.0 dual certification, and has also been recognized by the market and customers. At present, it has entered the Feihong supply chain and started to ship in large quantities.
Then, Mr. Liu Hongguang, the project manager of Tongjia Technology Co., Ltd., gave a wonderful speech with the theme of "The Legend of Leadtrend Core PD". As an old power supply company, Tongjia Technology, founded in 2002, is a professional analog IC design company. The management team has rich experience in the field of power management, and is one of the few design companies across AC/DC and DC/DC power management ICs. Under the general trend of USB PD popularization, Tongjia Belt has also come with a number of heavy and fast charging solutions.
Liu Hongguang first introduced that Tongjia LD6610 has not only passed the PD2.0/PD3.0/PPS certification of the USB IF Association, but also obtained the certification of Qualcomm QC4.0. Tongjia Technology has prepared a detailed design reference scheme for everyone. LD5763+LD8523 can meet the design requirements of Qualcomm QC4.0 fast charging scheme; The LD5763+LD8525 can meet the design requirements of 45W and 61W USB PD chargers; In addition, LD5765+LD8526 (ES) supports USB PD3.0 (PPS) fast charging, can achieve 5V/9V/12V/15V/20V four gear fixed voltage output, and can meet 3.3V-21V adjustable voltage output. This scheme is also relatively advanced at present.
Mr. Wu Yuchun, CEO of Suzhou Yineng Microelectronics Technology Co., Ltd., was the fifth guest speaker of the event. The theme of the speech was "From Yineng Micro to Type-C Future". Suzhou Yineng Microelectronics Technology Co., Ltd. has pioneered the reconfigurable power supply chip in the world, and has become a global leader in this field. In 2014-2017, it won the annual best power chip of EET/EDN/ESM in Greater China. In 2015, the company won the national champion of the fourth China Innovation and Entrepreneurship Competition in the electronic information industry. Adhering to the belief of "born for explosive products!", Elneng has created more than 20 global firsts in the field of fast charging, which can be described as leading the development of fast charging technology.
As the world's first reconfigurable power supply chip manufacturer, Elon Micro is widely involved. From portable mobile power supply, mobile phone back clip, multi port charger to vehicle emergency starting power supply, electric tools, to the expansion HUB of single port PD charger, Bluetooth speakers and other fields, there are relevant applications. At present, the micro program of Elon has entered the supply chain of brands such as Hammer, Xiaomi, Patriot, Hailuto and Pinsheng. In addition, Elon Micro has launched a variety of USB PD schemes, which can meet the design requirements of USB PD chargers with different output power and different protocols.
After continuous R&D and innovation, we have successfully launched 18W dual USB-A output fully compatible charger chip EDP3034. It can be compatible with all brands of fast charging mobile phones at present, including some mobile phones that adopt low-voltage fast charging scheme. The dual port fast charging scheme of EENENG Micro EDP3034 can save an AC-DC buck circuit and greatly reduce production costs. At the same time, Mr. Wu Yuchun also shared a number of other design schemes of the Easy Micro for your reference.
We are also lucky to invite Mr. He Longping of Guangdong Quality Inspection Institute to this summit forum. Mr. He Longping is the drafter of many national and local standards.
China's first national standard for mobile power - General Specification for Mobile Power Supply for Information Technology Portable Digital Devices has been released and will be officially implemented on July 1, 2018. Guangdong Quality Inspection Institute, as the unit undertaking the special supervision and spot check of Guangdong Mobile Power in 2017, escorted the quality work of the mobile power industry, and CCTV made a special report on the relevant spot check results. He Longping first made a comprehensive introduction from four aspects: introduction of Guangdong Quality Inspection Institute, development history of mobile power, analysis of national standard of mobile power, summary and suggestions.
Mr. He Longping pointed out that the introduction of the national standard for mobile power could provide more accurate technical basis for subsequent product design and development, supervision and spot check, and transportation identification. And it can change the situation that there is no unified standard in the mobile power industry, and clarify the safety and quality requirements of this type of products, so that the industry has standards to follow.
The last guest to make a speech on the stage was Mr. Jiang Junxian, a senior engineer from Baijiatai. The topic of the speech was "USB PD Latest Certification Update".
Baijiatai is a pioneer in the testing industry. It can provide customized testing and consulting services for various IT products, including performance evaluation, design verification, compatibility, etc; It can also provide more than 30 standard certification tests. In the field of USB products, Baijiatai has many certification qualifications authorized by USB-IF, such as USB PD, USB2.0, USB3.0, etc.
Mr. Jiang Junxian introduced the USB evidence collection category and USB PD evidence collection category to everyone in depth. As for the USB certification test, Mr. Jiang Junxian specially pointed out that USB 3.1 Gen2 cannot be certified at present, so it needs to be registered in PIL or Workshop; The power supply with PD cannot be used for Hub products when obtaining PD evidence, and external power supply must be used.
In addition, Mr. Jiang Junxian also introduced that the appearance of the E-Marker C to C cable is no different from that of the cable without E-Marker C to C cable. The difference is that the E-Marker C to C cable supports 5A current transmission at most, and the cable without E-Marker C to C supports 3A current transmission at most.
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