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iPhone expander uses supercap to drive LED flash

Posted: 19 Oct 2012     Print Version  Bookmark and Share

Keywords:supercapacitor  iExpander  iPhone 

Corr-Tech has selected supercapacitor manufacturing firm, CAP-XX's supercapacitor-enabled BriteFlash architecture to power the high-performance LED flash in its new iExpander accessories for the iPhone 4/4S and iPhone 5.

At the heart of the iExpander is an ultra-thin CAP-XX HS206 supercapacitor and a powerful LED flash module. The supercapacitor overcomes the limitations of the battery to deliver more power to the LEDs, extend the length of the flash pulse, and increase the total light energy emitted by the flash. The result is crisp photographs and clear videos, even in low light.

The iExpander also includes a microSD card slot and a second battery, increasing the memory capacity and battery life of the iPhone, and is packaged in a graphite-reinforced nylon case which adds just 6.3mm to the thickness of the phone. The iExpander for iPhone 5 includes the original 30-pin connector in addition to a lightning port, so users can charge from and dock to previous-generation iPhone/iPod accessories.

Charlie Corry, CEO of Corr-Tech, said: "To meet our iExpander design objectives, we had to jam a lot of electronics into a small area, so finding thin components like the HS206 supercapacitor was essential."

Corr-Tech is raising capital at to help bring the iExpander to fruition. Production is to start in November 2012, with the first units shipping to customers before year-end.

- Christoph Hammerschmidt
   EE Times

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