07516340 is referenced by 9 patents and cites 7 patents.

A method is provided that includes receiving a classification voltage at a powered device from a powered network and providing a classification signature to the powered network in response to receiving the classification voltage to specify a power requirement of the powered device. The method further includes deriving a reference current within the powered device and adjusting a current limit as a function of the reference current.

Title
Powered device including a classification signature resistor
Application Number
11/479956
Publication Number
7516340 (B2)
Application Date
June 30, 2006
Publication Date
April 7, 2009
Inventor
Russell J Apfel
Austin
TX, US
D Matthew Landry
Austin
TX, US
Agent
R Michael Reed
Westman Champlin & Kelly P A
Assignee
Silicon Laboratories
TX, US
IPC
G06F 1/00
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