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:
Jul. 23, 2019
Filed:
Dec. 01, 2018
Aptiv Technologies Limited, St. Michael, BB;
Cyril Roumier, Asnières sur Seine, FR;
Cyril Icher, Montlignon, FR;
APTIV TECHNOLOGIES LIMITED, , BB;
Abstract
A head lamp lighting system of a vehicle includes a DC/DC boost converter configured to provide a common boosted output voltage from a battery voltage, a plurality of DC/DC buck converters, each DC/DC buck converter being configured to provide an adjusted buck output current from the common boosted output voltage, a plurality of strings of Light-Emitting Diodes, each string of Light-Emitting Diodes being electrically connected to only one adjusted buck output current and vice versa, a main controller electrically connected to the DC/DC boost converter and configured to provide a boost switching frequency value to the DC/DC boost converter, a battery voltage supervisor electrically connected to the main controller and electrically connected to the battery voltage, said battery voltage supervisor being configured to provide the battery voltage value to the main controller; the main controller being configured to determine the boost switching frequency value according to the battery voltage value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile