Patent · US Active

Output driver with overvoltage protection

US7813093B2 · kind B2 · utility

2Cited by

7References

19Claims

0Family size

Assignee

Analog Devices, Inc. · US

Inventors

Daniel Boyko · Norwood, US
Stuart R. Patterson · Hull, US

Key dates

Filing date	Feb 15, 2008
Grant date	Oct 12, 2010
Priority date	—
Expiry date	Aug 20, 2028

Classification

Technology area (CPC H)Electricity
CPC primaryH03K19/00315
WIPO fieldBasic communication processes
WIPO sectorElectrical engineering

Abstract

An output driver in an integrated circuit includes a driver circuit operable by a power supply voltage and coupled to an output pad, and a driver power conditioner configured to generate a fractional pad voltage in response to a voltage on the output pad and to provide the fractional pad voltage to at least one transistor of the driver circuit as a protected supply voltage in response to an absence of the power supply voltage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.