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A4WP welcomes startup WiTricity as latest member

Posted: 17 Feb 2014     Print Version  Bookmark and Share

Keywords:WiTricity  A4WP  Rezence  near-field resonant  wireless power 

WiTricity Corp. has announced that it has become the latest board member of The Alliance for Wireless Power (A4WP). The move is forecast to speed up the adoption of A4WP's Rezence standard for magnetic resonance-based wireless charging products, and promote industry consolidation.

Based on Bluetooth Smart, the A4WP's Rezence near-field resonant technology enables multiple devices to be charged simultaneously, even with different power requirements. In addition, it offers "spatial freedom" for additional reach in the z-direction, and eliminates the hassle of accurate coil alignment, all on a single charging surface or in a charging region.

The A4WP's aim is to bring magnetic resonance-based wireless power to the broad-based consumer market. Its board members include Broadcom, Gill Electronics, IDT, Intel, Qualcomm, Samsung Electronics and Samsung Electro-Mechanics. General membership has grown to more than 80 companies including industry leaders such as CSR, Delphi, Fujitsu, Haier, Hitachi Chemical, LG, NXP, ON Semiconductor, Renesas, SanDisk and Texas Instruments.

WiTricity, the developer of highly resonant wireless power transfer technology, plans to incorporate the Rezence specification in a reference design that its CEO, Eric Giler, hopes to have ready this year.

WiTricity recently introduced what it claimed was the first system for wireless charging of consumer devices such as the iPhone5 using its patented highly resonant wireless power transfer technology. The charging system is available as a reference design for companies that want to apply the technology for charging other smartphones, tablets or consumer electronic devices. It is not compliant with A4WP, but since it supports Rezence's underlying technologies, WiTricity can now make it compliant, Giler said.

"The reference design that WiTricity will now make for the A4WP should help accelerate time to market for the group's Rezence specs, and also provide WiTricity with much-needed market weight and support," said Caroline Gabriel, a research director at wireless infrastructure analyst firm Maravedis-Rethink Technology Research in London, England.

- Ismini Scouras
  EE Times

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