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.:
Date of Patent:
May. 07, 2024
Filed:
Nov. 16, 2022
Applicant:
Psemi Corporation, San Diego, CA (US);
Inventors:
Buddhika Abesingha, San Diego, CA (US);
Keith J. Rampmeier, San Diego, CA (US);
Assignee:
PSEMI CORPORATION, San Diego, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 19/0175 (2006.01); H03K 3/012 (2006.01); H03K 3/356 (2006.01); H03K 19/0185 (2006.01);
U.S. Cl.
CPC ...
H03K 3/012 (2013.01); H03K 3/356113 (2013.01); H03K 19/0175 (2013.01); H03K 19/018521 (2013.01);
Abstract
Methods and devices to decrease the power consumption of level shifters in the absence of input power supply are disclosed. The described devices include current mirrors that are inactive when the level shifter is in the HIGH or LOW steady state. The disclosed methods further include a delay element used to keep the power consumption low in the case of slow input power supply ramps.