Global Sources
EE Times-India
Advanced Search
News
Products
Tech Articles
App Notes
 Forum  Blogs  White Papers  Webinars  eeUniversity
 Frost & Sullivan LED Lighting Conference   Academia on employability gap   Role of VLSI in SATCOM apps
EE Times-India > Power/Alternative Energy
 
 
Power/Alternative Energy  

Automatic detection of USB port vs. wall adapter power

Posted: 28 Jul 2008  Print Version  Bookmark and Share Subscribe

Keywords: USB port  USB interface controller  charge control IC  power wall adapter 

[Summary of tips] Highly integrated portable products that use the USB port for both data communication and as a power source typically rely on their internal USB interface controller to detect the presence of a USB port connection. In this manner, a device can be set up so the battery charge controller will default to a fast charge constant cur......
Please login or register with us to view this article>>
 

votes:   Add to Favorites
Switch mode power supply topologies,...
Designing energy-efficient handheld ...
Comment on "Automatic detection of USB port vs. ..."
Comments:  
*  You can enter [0] more charecters.
*Verify code:
 
Win an iPad from EE Times-India!
The engineer who creates the biggest discussion on eeForums wins the iPad. State your opinion, ask a question; it's your choice—just keep your comments interesting. Oh, and yes, industry-specific please.
From there on in, your success is measured by every view and reply. The discussion that creates the biggest buzz by January 31 gets the prize.

Joining instructions:
(If you are already a member of EE Times-India, skip to step 3)
1. First, register as a member of EE Times-Asia at http://www.eetasia.com/register.do.
2. Verify your membership by clicking on the automated registration message sent to you.
3. Log-on to EE Times-India at http://www.eetasia.com/login.do.
4. Post a message on any of the categories at http://forum.eetindia.co.in

Point system: Each message view gets one (1) point while each valid reply gets four (4) points. In case of a tie, the editors will choose the winner based on a review of the message and replies.
Contest duration: December 21, 2010 to January 31, 2011.

Top Ranked Articles
High-quality Articles
Most Popular Articles
  • Nokia brings on two Windows phones
  • Sony takes over handset biz from Ericsson JV
  • ARM-based tablets continue to reign
  • Intel's struggles outside the PC domain
  • ARM scales to 64bit architecture
  • Imec, partners aim for organic PV tech
  • e-cars look to gain perfect sound experience
  • Researchers study graphene photodetectors
  • Wearable energy storage devices power garments
  • Smartphone app packed car infotainment booms
    • Search EE Times India
    Max's Cool Beans

    Clive Maxfield Strange modes of transport and other "stuff"

    Someone just pointed me at a YouTube video that claims to show the world's first e-powered multicopter flight...

     

    Go to top             Connect on Facebook      Follow us on Twitter      Follow us on Orkut