During the 2024 (spring) Asian Charging Exhibition2024 Asia Wireless Charging ConferenceIt was a complete success, and a lot of people from the industry participated in the conference, which made the conference gain a lot of attention.Southern coreWireless chargingWang Jiasheng, the product line marketing manager, attended the conference and issued the "EmbraceWireless chargingNew trend of ecology——Southern coreQi2Program IntroductionWireless chargingReview of 10-year development historyWireless chargingThe review of the past and future development of ecologySouthern coreQi2Brief introduction of the scheme.
In the past 10 years, the wireless charging industry has witnessed explosive growth, and the shipment has reached an exponential increase.In 2010, the WPC issued the Qi 1.0 standard, which is a universal standard for the wireless charging industry.In 2012, the first batch of wireless charging mobile phones were released, and then Samsung, Apple, Huawei, Xiaomi and other brands entered the market.In 2019, Apple released magnetic wireless charging, which ushered in a wave of magnetic development.In September 2023, Apple joined hands with WPC to bringQi2, believeQi2It will bring new opportunities to the future.
In the past few years, in addition to the promotion of wireless charging by important mobile phone brands, industry standards, ecology and experience are important factors limiting the development of wireless charging.But ecology has also made great progress and great development.Before 2017, there were more wireless car charging and desktop charging;Since 2017, in addition to mobile phones, wireless charging has ushered in watches, headsets and other receiver devices. The penetration rate of automobile wireless charging has also increased significantly. Multifunctional wireless charging, magnetic wireless charging bank, etc. have all been booming.The development of Qi2 ecology will bring better wireless charging experience to users.
Southern coreIn view of the solution brought by the new trend of Qi2 development, the SC9610-50W TX controller has not only integrated digital MCU and external MOSFET driver, but also large digital redundancy and power redundancy, which can quickly realize the Qi2 wireless charging function for customers and achieve good support.
The development process of Nanxin's first set of Qi2 wireless charging solution realized sample delivery in May 2023, and completed the design of the first set of display module and the verification of the entire function in August 2023.It passed the Qi2 certification in January 2024, providing customers with a complete test report.
In addition to the TX controller solution, in March 2024, Nanxin launched a special power stage solution for Qi2, which is characterized by the integration of high-performance full bridge MOS and drivers, as well as the ability to understand and tune.It brings high cost performance and high performance full bridge analog front-end to solution provider customers, and provides flexible and diverse MCU options for the entire ecological customers.
Therefore, in 2024, Nanxin will achieve a matrix layout of three sets of QI2 TX solutions.In addition to the mass production of the TX controller and the launch of the Power stage, the TX converter launched in August is specially optimized for the Qi2 standard. In addition to the built-in MCU, full bridge power and its drive circuit, it also integrates enhanced demodulation, low-power Q value detection, and even built-in power flow detection and frequency switching functions.
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Summary of charging head network
As a chip solution enterprise that has worked hard for many years, Nanxin reviewed the development history of wireless charging and looked forward to the development direction of wireless charging. It is believed that Qi2 will bring new opportunities to the future and better wireless charging experience to users.Nanxin has brought three solutions to the new development trend of Qi2, namely, TX controller, power stage and TX converter, which have brought customers cost-effective and high-performance solutions and provided flexible and diverse choices for the entire ecosystem.