US Patent 7157962 Charge pump output device with leakage cancellation

Patent 7157962 was granted and assigned to Texas Instruments on January, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Texas Instruments

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

71579620

Patent Inventor Names

Richard Gu0

Date of Patent

January 2, 2007

Patent Application Number

109401970

Date Filed

September 13, 2004

Patent Primary Examiner

‌

Timothy P. Callahan

Patent abstract

The charge pump circuit includes: a charge pump output branch; a current leakage device coupled to the output branch; and a feedback device coupled between the output branch and a control node of the current leakage device such that the leakage device cancels leakage current from the output branch.