07715165 is referenced by 2 patents and cites 14 patents.

A powered device includes a first supply terminal, a second supply terminal, and at least one input pin coupled to the first supply terminal. The powered device further includes an external capacitor having a first terminal coupled to the first supply terminal, a switch coupled to the second supply terminal and coupled to a second terminal of the external capacitor, and power surge detection logic coupled to the switch. The external capacitor is charged in response to a detected power surge that exceeds a threshold.

Title
System and method of surge protection in a powered device
Application Number
11/484449
Publication Number
7715165 (B2)
Application Date
July 11, 2006
Publication Date
May 11, 2010
Inventor
D Matthew Landry
Austin
TX, US
Richard B Webb
Austin
TX, US
John Gammel
Austin
TX, US
Agent
Ronald Michael Reed
Polansky & Associates P L L C
Assignee
Silicon Laboratories
TX, US
IPC
H02H 9/04
H02H 3/20
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