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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10338632 B1

PDFFull Text
Date of Patent:
Jul. 02, 2019

Filed:

Sep. 15, 2015

Adaptive voltage converter

Applicants:

Ambiq Micro, Inc., Austin, TX (US);

Scott Hanson, Austin, TX (US);

Yanning LU, Austin, TX (US);

Inventors:

Scott Hanson, Austin, TX (US);

Yanning Lu, Austin, TX (US);

Assignee:

Ambiq Micro, Inc., Austin, TX (US);

Attorneys:

Artie Pennington

Hunt Pennington Kumar Dula, PLLC

Primary Examiner:

Bryan R Perez

Int. Cl.
CPC ...
H02M 1/12 (2006.01); G06F 1/06 (2006.01); H03L 7/18 (2006.01); H03L 7/06 (2006.01); H03L 7/181 (2006.01); G06F 1/12 (2006.01); G06F 11/30 (2006.01); G06F 11/34 (2006.01); G06F 13/10 (2006.01); G01R 19/00 (2006.01); G05F 1/56 (2006.01); H03K 17/687 (2006.01); H03M 1/12 (2006.01); H03L 7/00 (2006.01); G06F 1/3237 (2019.01); G06F 1/3287 (2019.01); G05F 1/575 (2006.01); G06F 1/3296 (2019.01); H02M 3/158 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
G06F 1/06 (2013.01); G01R 19/0084 (2013.01); G05F 1/56 (2013.01); G05F 1/575 (2013.01); G06F 1/12 (2013.01); G06F 1/3237 (2013.01); G06F 1/3287 (2013.01); G06F 1/3296 (2013.01); G06F 11/3041 (2013.01); G06F 11/3414 (2013.01); G06F 13/102 (2013.01); H02M 3/158 (2013.01); H03K 17/687 (2013.01); H03L 7/00 (2013.01); H03L 7/06 (2013.01); H03L 7/18 (2013.01); H03L 7/181 (2013.01); H03M 1/12 (2013.01); H02M 2001/0045 (2013.01); Y02B 70/12 (2013.01); Y02B 70/123 (2013.01); Y02B 70/126 (2013.01); Y02D 10/128 (2018.01); Y02D 10/14 (2018.01); Y02D 10/171 (2018.01);
Abstract

An adaptive voltage converter adapted to compensate for the exponential sensitivities of sub-threshold and near-threshold circuits. The converter can change its power/performance characteristics between different energy modes. The converter may comprise two or more voltage converters/regulators. A multiplexing circuit selects between the outputs of the several converters/regulators depending on the state of a control signal generated by a control facility. The converter is specially adapted to change the output of each converter/regulator based on a number of variables, including, for example, process corner, temperature and input voltage.

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