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Patent Searching and Data


Title:
NON-ISOLATED BIDIRECTIONAL DC-DC CONVERTER INCLUDING PRE-CHARGE CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2017/073828
Kind Code:
A1
Abstract:
The present invention relates to a non-isolated bidirectional DC-DC converter including an improved pre-charge circuit. The non-isolated bidirectional DC-DC converter for performing bidirectional voltage conversion between a high voltage power source and a low voltage power source according to the present invention comprises: a DC-DC converter module comprising a high voltage switch and a low voltage switch, which are a pair of switching elements switched into a boost mode or a buck mode in response to a switching signal, and an inductor connected with the high voltage switch and the low voltage switch; and a pre-charge circuit forming a pre-charge line for sharing the DC-DC converter module and the inductor, wherein the pre-charge circuit includes a pre-charge switch having one end connected in parallel to the low voltage power source and the other end connected in parallel to the inductor.

Inventors:
KIM HYOUNG-JOON (KR)
Application Number:
PCT/KR2015/011994
Publication Date:
May 04, 2017
Filing Date:
November 09, 2015
Export Citation:
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Assignee:
LS AUTOMOTIVE CORP (KR)
International Classes:
H02M3/158; H02M1/36
Foreign References:
JP2002112534A2002-04-12
JP2007097252A2007-04-12
JP2009273230A2009-11-19
US20130307508A12013-11-21
KR20130121016A2013-11-05
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
특허법인 필앤온지 (KR)
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