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.

Date of Patent:
Jun. 09, 2020

Filed:

Oct. 11, 2017
Applicant:

Continental Automotive Gmbh, Hannover, DE;

Inventors:

Emil Kovatchev, Vienna, AT;

Christian Stoeger, Vienna, AT;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/158 (2006.01); H02M 3/335 (2006.01); H02M 3/156 (2006.01); H02M 1/44 (2007.01);
U.S. Cl.
CPC ...
H02M 3/33592 (2013.01); H02M 1/44 (2013.01); H02M 3/156 (2013.01); H02M 3/33507 (2013.01);
Abstract

A method operates a DC-DC voltage converter. A current measurement circuit generates a current signal correlated with a coil current of a coil. A hysteretic switch control system electrically turns off a switch for driving the coil current, if the current signal signals a coil current greater than a peak comparison value, and electrically turns on the switch if the current signal signals a coil current lower than a valley comparison value. An actual value measurement circuit generates an actual value signal correlated with an electrical output variable of the DC-DC voltage converter. A controller unit adjusts the output variable to a prescribed setpoint value and, generates a comparison value signal depending on a control deviation and the switch control system sets an average value of the peak comparison value and generates the valley comparison value from the comparison value signal.


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