Title:
POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/084999
Kind Code:
A1
Abstract:
A power supply device (1) comprises an electronic component unit (10) having a voltage conversion function, and a circuit substrate (20) having a multilayer structure. The electronic component unit (10) includes an inductor unit (15) in which a first circling portion (16a) composed of a spirally circling conductor pattern (21) and a second circling portion (16b) composed of an oppositely spirally circling conductor pattern (21) are disposed adjacent to each other, wherein a common input is provided to input ends (22) of the first circling portion (16a) and the second circling portion (16b).
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Inventors:
WATANABE TSUNEHIRO (JP)
Application Number:
PCT/JP2022/038489
Publication Date:
May 19, 2023
Filing Date:
October 14, 2022
Export Citation:
Assignee:
YAZAKI CORP (JP)
International Classes:
H05K1/16; H01F27/28; H02M3/28
Foreign References:
| JP2020171160A | 2020-10-15 | |||
| JP2021145039A | 2021-09-24 | |||
| JP2019106413A | 2019-06-27 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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