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Title:
POWER SUPPLY CIRCUIT AND ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2018/116699
Kind Code:
A1
Abstract:
This power supply circuit comprises a first switching element pair which comprises a high side first switching element and a low side second switching element, a second switching element pair which comprises a high side third switching element and a low side fourth switching element, and a control unit which drives the switching elements in the first and second switching element pairs in a complementary manner; the control unit sets a buck boost ratio in a third operation mode such that the buck boost ratio in a first operation mode and the buck boost ratio in a second operation mode change continuously, and sets the switching duty of the first switching element pair and the switching duty of the second element pair on the basis of the buck boost ratio in the third operation mode.

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Inventors:
OYAMA YOSHIKI (JP)
Application Number:
PCT/JP2017/040874
Publication Date:
June 28, 2018
Filing Date:
November 14, 2017
Export Citation:
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Assignee:
SONY CORP (JP)
International Classes:
H02M3/155; B60L9/18; H02J7/00; B60K6/28; B60K6/46; B60L11/18; B60W10/26; B60W20/13
Domestic Patent References:
WO2015008456A12015-01-22
Foreign References:
JP2009268255A2009-11-12
JP2005295671A2005-10-20
JP2015162951A2015-09-07
JP2008182839A2008-08-07
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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