Apple uses QI standard to push wireless charging technology development

"According to the latest report of DIGITIMES research, although apple iPhone WPC's Qi standard is selected for the wireless charging standard of X and iPhone 8, but the dispute over the status of the wireless charging standard is not over. On the contrary, members of the other AFA alliance began to develop MR (magnetic resonance) and other RF (radio frequency) wireless charging solutions, trying to win in a new round of competition in the field of medium and long-distance wireless charging. The report believes that Apple's 7.5W wireless charging technology after the release of IOS 11.2 is considered. Compared with the existing charging capacity of more than 15W wireless charging board, although it is conservative, it is a quite bold measure compared with the mainstream 5W wireless charging technology used by most other smartphones. Although magnetic induction (MI) technology is the mainstream technology in the development of wireless charging, it has many defects in practicability, such as the safety of metal barrier, the flexibility of transmitter and receiver alignment, and the difference in charging efficiency compared with wired direct charging. Therefore, manufacturers in this field are still developing a variety of wireless charging technologies, including the use of magnetic resonance, ultrasonic, infrared, electromagnetic wave, RF and solar energy, which makes the development of fast charging technology the focus of attention. Although IC solution providers Qualcomm and MediaTek, and smartphone providers Huawei and oppo have their own fast charging standards, Qualcomm's wireless charging solutions account for 40% of the Smartphone Application Processor market. However, the increasing popularity of USB PD (USB powered) and type-C port fast charging may begin to affect Qualcomm's leadership and the development process of the wireless charging market. Original address: https://www.eeboard.com/news/qi/ ‎ Search aiban.com and pay more attention. You can master the latest development board, intelligent hardware, open source hardware, activities and other information every day. Recommend attention! [wechat scanning can be followed directly]“

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