The Wireless Power Consortium, whose members include Nokia, RIM, HTC, Samsung, and LG, have finalized the Qi charging standard.
The standard has been designed to allow consumers to easily identify compatible chargers and components. The current specification is limited to 5 Watts, but is enough to be able to charge USB-charging Symbian-powered phones.
The Flexibility of the 5W Specification
The 5W specification is open enough to allow a number of different charging solutions. This includes magnetically aligned coils, such as those used in the Palm Pre’s Touchstone charger, or an array of coils that are activated individually depending on the device’s placement. This flexibility ensures that manufacturers can innovate within the standard, providing various charging solutions that all adhere to the same core principles.
For instance, some chargers might use a single large coil, while others might employ multiple smaller coils to create a more versatile charging surface. This adaptability is crucial for accommodating the wide range of device sizes and shapes on the market today.
Certification and Interoperability
Gadgets and mobile devices that want to comply with the standard will have to pass third-party certification before the manufacturer is allowed to use the ‘Qi’ logo on the device or any of its packaging. This certification process ensures that all Qi-compatible devices will work seamlessly with any Qi charger, providing a consistent and reliable user experience.
“Our customers will see the Qi logo and know: this product works with my other Qi products,” said Menno Treffers, a senior director of standardization at Philips who works with the consortium. This statement underscores the importance of the Qi logo as a mark of quality and compatibility.
Treffers further elaborated, “Publishing a standard is not enough. Without test documentation, certification services, and a logo license agreement, interoperability is an illusion.” This highlights the comprehensive approach taken by the Wireless Power Consortium to ensure that the Qi standard is not just a set of guidelines, but a fully supported ecosystem.
The Qi standard’s emphasis on interoperability is particularly important in today’s market, where consumers often own multiple devices from different manufacturers. By ensuring that all Qi-certified products work together, the consortium is helping to create a more user-friendly and convenient charging experience.
Moreover, the Qi standard is not static. The consortium is continually working on updates and improvements to the standard, with future versions expected to support higher power levels and additional features. This ongoing development ensures that the Qi standard will remain relevant and useful as technology continues to evolve.
The finalization of the Qi charging standard by the Wireless Power Consortium marks a significant step forward in the world of wireless charging. With its flexible 5W specification, rigorous certification process, and strong emphasis on interoperability, the Qi standard is poised to become the go-to solution for wireless charging across a wide range of devices.
Via Slash Gear Via All About Symbian
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