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. 11, 2017
Filed:
Jun. 17, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Min-Soo Cho, Yongin-si, KR;
Jae-Yeol Han, Seoul, KR;
Dong-Jin Keum, Suwon-si, KR;
Il-Young Sohn, Seongnam-si, KR;
Ryotaro Kudo, Seongnam-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A buck-boost converter includes: a converting circuit; a ripple injector; a hysteresis comparator; and a switching controller. The converting circuit is configured to generate an output voltage by adjusting an input voltage in a buck mode, a boost mode, and a buck-boost mode. The ripple injector is configured to generate a ripple based on switching signals corresponding to switching operations of the converting circuit. The hysteresis comparator outputs at least one switching control signal by comparing an output control voltage with a feedback voltage generated by adding the ripple to a divided voltage generated by performing a voltage division on the output voltage. The switching controller is configured to change a current flow path of the converting circuit based on the at least one switching control signal.