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:
May. 24, 2022

Filed:

Sep. 14, 2020
Applicant:

Guangdong Oppo Mobile Telecommunications Corp., Ltd., Guangdong, CN;

Inventor:

Jian Bai, Guangdong, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/00 (2006.01); H02J 50/80 (2016.01);
U.S. Cl.
CPC ...
H02J 7/007 (2013.01); H02J 7/00309 (2020.01); H02J 50/80 (2016.02); H02J 2207/20 (2020.01);
Abstract

A step-down conversion circuit assembly and an electronic device are provided. The step-down conversion circuit assembly includes a box body, a step-down conversion circuit, a heat dissipation element, and a fan. The box body has multiple side walls, where the multiple side walls define an enclosed accommodating space, and the box body defines an air outlet on one of the multiple side walls. The step-down conversion circuit is disposed in the accommodating space of the box body. The heat dissipation element is disposed in the accommodating space of the box body and attached to the step-down conversion circuit for conducting heat. The fan is disposed between the step-down conversion circuit and the air outlet and configured to enable the heat in the accommodating space to exit from the air outlet.


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