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Wireless charging seen to gain wider market

Posted: 19 Mar 2015     Print Version  Bookmark and Share

Keywords:wireless charging  Qi  PowerByProxi  WPC  smartphone 

Aircharge's recently launched app is a great way to find Qi charging spots around the world. It shows that there are over 3,000 locations in a variety of locations supporting Qi and this is only the beginning. Businesses are paying to install Qi. To put that in context, the PMA has 200 noted locations all within Starbucks locations. The noticeable absence of the A4WP camp is also interesting. A4WP has no products in the market to date.

PowerByProxi's evaluation kit

Why then did PMA select A4WP as its resonance path forward given how similar WPC and PMA technology are? As an engineer and technologist, it's hard to see how PMA and A4WP technologies can result in a single truly interoperable standard. One can always co-house systems, but that's not a cost effective solution nor is it likely to fit in a modern day smartphone.

Additionally, you may find it interesting that most of the press seems to have misinterpreted the merging of two standards organisations as the merging of two standards, which it is not.

When we hosted the Wireless Power Consortium in Auckland, New Zealand, in January, the Resonant Qi Specification was made available to its 200-plus member companies. We were pleased to host the meeting for the second year and contributed a significant amount of our technology, intellectual property and expertise to deliver a highly efficient, backwards-compatible, resonant wireless charging system.

We now we have the world's first resonant system compatible with the most widely deployed wireless power standard. That's extremely exciting as it provides companies such as Samsung a clear path to Resonant Qi with full backwards compatibility to Inductive Qi.

The advancement includes safety features such as foreign object detection, even with multi-device systems, as well as an industry leading 70 per cent plus total system efficiency for a fast and effective charge.

PowerbyProxi's evaluation kit is a single design that supports both Resonant Qi and Inductive Qi modes, providing a clear way forward for the growing number of OEMs who are integrating the WPCs Qi standard into their smartphones and other devices.

2015 is already off to a fast start and is going to be an incredibly exciting year for wireless power; one that we will look back on as a tipping point in the industry.

- Fady Mishriki

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