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Charger technology could help end 'vampire' energy loss

January 05, 2011 // Phil Ling

Charger technology could help end 'vampire' energy loss

Freescale Semiconductor says it is finding innovative ways to stop 'vampire; energy loss; the loss of power that occurs when an AC adapter is plugged into an electrical outlet but isn't charging a device. Its Watt Saver technology is said to automatically eliminate no-load power consumption for AC adaptors, potentially providing substantial energy savings over existing manual versions.

Freescale says it will also donate one percent of all Watt Saver revenue to a global green ecology non-profit organisation.

The Watt Saver technology consists of patent-pending hardware and software implementations enabling the main power source to be disconnected when no power is required by the connected device.

This technology can apply to numerous battery powered consumer devices, such as cellular phones, tablets, eReaders, MP3 players and even higher powered battery operated devices such as laptop PCs and netbooks.

According to a report by the International Energy Agency and the European Union, it is estimated that vampire power accounts for more than 10 percent of the electricity used in homes and offices and it will continue to rise to 49 terawatt hours by 2014, burning as much electricity as the combined electricity consumption for Austria, the Czech Republic and Portugal. It is expected that the energy consumed by information, communications and consumer electronics will double by 2022 and triple by 2030.

Freescale says that, With Watt Saver technology, a universal power adapter conforming to the ITU-T L.1000 recommended standard can be designed with a zero Watt, no –load power consumption.

The company adds that the eco-friendly charger uses no more energy than needed to charge its device and it has a longer useable life because it can potentially be used with any new device.

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