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RF/Microwave  

Tip of the Week: Glitch-free portable charging

Posted: 06 Jan 2008  Print Version  Bookmark and Share Subscribe

Keywords: USB  portable charging  batteries 

[Summary of tips] Users are fast taking to the USB port as the preferred way for portable device battery charging. But while the port eliminates a separate wall adapter, it has its power limitations: generally 2.5 watts maximum at no more than 500mA. More applications also call for charging portable devices away from the office or home, such as ......
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