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:
Apr. 21, 2020
Filed:
Jun. 28, 2019
Applicant:
Nxp B.v., Eindhoven, NL;
Inventor:
Joan Wichard Strijker, Wijchen, NL;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 1/42 (2007.01); H02M 1/08 (2006.01); H02M 3/156 (2006.01); H02J 3/18 (2006.01); H02J 3/01 (2006.01);
U.S. Cl.
CPC ...
H02M 1/4225 (2013.01); H02M 1/08 (2013.01); H02M 3/156 (2013.01); H02J 3/01 (2013.01); H02J 3/18 (2013.01); H02M 1/42 (2013.01);
Abstract
Embodiments of a method and a device are disclosed. In an embodiment, a method for power factor correction (PFC) at a switched mode power supply (SMPS) is disclosed. The method involves receiving an input voltage, generating a reference waveform that is in phase with the input voltage, determining a time value for phase-shifting a PFC current signal, scaling the time value with a phase factor to generate a scaled time value, phase-shifting the reference waveform according to the scaled time value to generate a phase-shifted reference waveform, and generating the PFC current signal based on the phase-shifted reference waveform.