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TI details the wireless power chip in the Lumia 920, offers four times the charging area
If you're one of the first on your block to have picked up a Nokia Lumia 920, you might wonder why it's so forgiving with where you set it down on the wireless charging pad. TI is more than willing to share. The 920, 820, Fatboy charging pillow and JBL PowerUp speaker all use a new TI bq500410A controller whose support for new transmitters gives it a charging area four times larger than we're used to. The 2.76 by 0.79 inches of coverage might not sound like much, but it's much wider than the previous 0.71 square inches while preserving a 70 percent efficiency and a safety cutoff if something gets in between. As a companion, there's a bq51050B chip launching at the same time that represents the first Qi receiver with its own built-in battery charger, which TI claims can charge more quickly and in less space than its rivals. Anyone embracing Nokia's vision of Windows Phone 8 can get their hands on devices using the wireless power chips today; we're only left hoping that TI's official news means other phone makers can tag along.
Nokia announces wireless charging pads, Fatboy Recharging Pillow for Lumia phones
Any of you who bothered to read Engadget this past Labor Day Monday must've noticed all those Nokia leaks making the rounds. Chief among them was a wireless charging pad, featured in a legit-looking press shot. Well, Nokia's big day of announcements has arrived and indeed, the company just formally unveiled the charging accessory -- a soap-dish-shaped device based on the popular Qi wireless standard. (Of course, the Lumia 920's built-in Qi tech means that you can use all manner of third-party charging pads; they don't have to be made by Nokia.) Additionally, the company briefly teased a Fatboy-branded pillow (pictured), also designed for recharging. Other than that, the company didn't share too many specifics, though it did reveal that Virgin Atlantic and Coffee Bean will both be offering wireless charging -- Virgin in its Heathrow Airport lounge, and Coffee Bean on its countertops.
