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Huawei, Xiaomi wireless charging,Different from Apple Mar 29, 2018

Both use IDT's Rx (receiving) solution

Xiaomi and Huawei wireless chargers use the Rx (receiving) solution from IDT in the United States. The company’s chips have been widely adopted in Samsung’s flagship machines, such as NOTE8 and S8, and the Samsung wireless charger’s transmitter board is also used. IDT chip.

Founded in 1980, Integrated Device Technology (Integrated Device Technology, Inc.) is committed to providing customers with world-leading, key semiconductor products and solutions, and developing system-level solutions for optimizing customer applications. IDT is the leader in the wireless charging industry in the smart phone market and holds a leading position in the mobile device and transmitter market. IDT's market-oriented products in RF, high-performance timing, memory interfaces, real-time interconnection, optical interconnects, wireless power supplies and smart sensors are the company's comprehensive range of mixed-signal solutions for communications, computing, consumer, automotive and industrial applications. Part of the program. Headquartered in San Jose, Calif., IDT designs, manufactures, markets, and distributes partners throughout the world.

Both are members of WPC Wireless Charging Alliance

Actually, long ago, Huawei had already joined the WPC Wireless Charging Alliance (the maker of the Qi standard). The categories registered on the WPC official website are: automotive manufacturing, consumer electronics, IC and power electronic components, and mobile phones. Accessories, power supplies and converters. Other WPC members are Apple, SONY, Texas Instruments and other foreign manufacturers, as well as Haier, Lenovo, Xiaomi and other domestic companies.

Last September, when the new iPhone was just released, Xiaomi officially joined the WPC Wireless Charging Alliance. At that time, there were 244 WPC members and it has now increased to 466 (as of February 2018). Among the newly added WPC members is Xiaomi Communication Technology Co., Ltd. From WPC's official website, it can be seen that the category registered by Xiaomi is consumer electronic products, not just mobile communications.

Different from Apple

In fact, Huawei is not only a member of the WPC Wireless Charging Alliance, but also a member of the AirFuel Wireless Charging Alliance. At the AirFuel Wireless Charging Conference and Developer Forum held in Shenzhen, China, March 14-16, Huawei Watt Lab ) Some suggestions on how to improve the performance of AirFuel technology on smart phones are given. In the short term, a wireless charging scheme combining Qi and AirFuel should be adopted, and a separate AirFuel solution can be realized in the long term. Therefore, Huawei wireless charging handsets are expected to use QiFair-compliant AirFuel magnetic resonance wireless charging technology to cover all major mainstream wireless charging technologies in the market.

In addition, the presentation slide revealed that Huawei is studying a multi-device wireless charging technology similar to Apple's AirPower. AirPower is a wireless charging board developed by Apple that can wirelessly charge iPhone 8/X, AirPods and Apple Watch at the same time. Huawei's attempt to study this technology seems to be somewhat unconvincing. We believe that in the near future we can see Huawei's support for multi-device wireless charging accessories. Of course, before this, Huawei will first release devices that support wireless charging, such as Huawei mobile phones and Huawei smart watches.