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:
Apr. 23, 2024

Filed:

May. 19, 2022
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Inventors:

KwangKyu Park, Whasung-Si, KR;

Ui Jung Jung, Whasung-Si, KR;

Seungchan Lee, Whasung-Si, KR;

Assignees:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60L 53/20 (2019.01); B60L 3/00 (2019.01); H02M 1/00 (2006.01); H02M 3/158 (2006.01);
U.S. Cl.
CPC ...
B60L 53/20 (2019.02); B60L 3/0046 (2013.01); H02M 1/0045 (2021.05); H02M 1/0067 (2021.05); H02M 3/158 (2013.01); B60L 2210/10 (2013.01); B60L 2240/527 (2013.01); B60L 2240/547 (2013.01); H02M 1/007 (2021.05);
Abstract

A low voltage DC-DC converter of an environmentally friendly vehicle includes a first DC-DC converter configured to drop a second voltage lower than a first voltage supplied to a drive motor of the environmentally friendly vehicle to a third voltage, a voltage regulator configured to regulate the third voltage to output a fourth voltage lower than the third voltage, a controller configured to operate in response to the fourth voltage, and a second DC-DC converter configured to convert and output the first voltage into the third voltage in response to an output signal of the controller, in which an output voltage of the second DC-DC converter is supplied to the voltage regulator.


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