The two standards at the forefront are Qi, part of the Wireless Power Consortium, and the Power Matters Alliance .

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TI's bq51050B is the industry's first Wireless Power Consortium (WPC) 1.1 Qi-compliant wireless power receiver with integrated direct battery charger, and enables faster, more efficient charging of smartphones, wireless keyboards and other portable electronics.

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With the increasing popularity of cable-free charging pads that allow devices to soak up juice from a mat (or even a pillow), the Wireless Power Consortium is lobbying to standardize such systems so that any phone can access any charger.

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But the agreement of an open standard in 2008 by the Wireless Power Consortium (which has over 100 members, including Nokia, Samsung, Sony, HTC, Huawei, Motorola Mobility, and Belkin) offered the possibility of universal charging plates that could be used by any handset which followed the Qi standard.

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