usb milliwatts

Reply to Thread

Discussion in 'General Electronics Chat' started by aac9876, Apr 15, 2007.

Reply to Thread

Apr 15, 2007 #1

aac9876 Thread Starter Active Member

Dec 9, 2006

124

0

about how many milliwatts does a common usb port push,
like thru a usb wifi adaptor?

#1 Like Reply
Apr 15, 2007 #2

hgmjr Retired Moderator

Jan 28, 2005

9,030

218

You can find out a lot of infromation on the USB 2.0 spec at www.usb.org.

It looks as though 2.5 watts is about the max.

hgmjr

#2 Like Reply
Apr 16, 2007 #3

n9352527 AAC Fanatic!

Oct 14, 2005

1,198

5

100mA at 5V normally with standard descriptor. Up to 500mA max. at 5V available with successful negotiation only. So that's 0.5W and 2.5W respectively like hgmjr posted above.

#3 Like Reply
Apr 18, 2007 #4

aac9876 Thread Starter Active Member

Dec 9, 2006

124

0

if you ad a 1 watt amp to either one, would it be more powerful or not
because it is already over 1 watt...??? thanks

#4 Like Reply

Loading...

Related Forum Posts:

Small wind generator for couple hundred milliWatts

Posted by Thom_1522059350 in forum: Power Electronics

Replies:

18

Views:

354
usb

Posted by Dimpi in forum: General Electronics Chat

Replies:

1

Views:

764
usb ?

Posted by Mathematics! in forum: Computing and Networks

Replies:

13

Views:

13,930
usb

Posted by heavyarms666 in forum: Homework Help

Replies:

2

Views:

1,151
USB controller

Posted by TechSpec in forum: Computing and Networks

Replies:

2

Views:

4,231

You May Also Like:

Load More Articles