Title:
TRANSFORMER CHIP AND SIGNAL TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/043105
Kind Code:
A1
Abstract:
In the present invention, a transformer chip includes: an insulating body that is provided on a substrate; an isolation transformer; a first connection electrode and a second connection electrode; a first capacitor; a second capacitor; and a connection portion. The isolation transformer has a first transformer that includes a first coil and a second coil that are arranged with a first insulating layer of the insulating body interposed therebetween, and a second transformer that includes a third coil and a fourth coil that are arranged with the first insulating layer interposed therebetween. The first connection electrode and the second connection electrode are electrically connected to the isolation transformer. The first capacitor is electrically connected to the first connection electrode. The second capacitor is electrically connected to the second connection electrode. The connection portion electrically connects the first capacitor and the second capacitor to the substrate.
Inventors:
INOKUCHI HIROYUKI (JP)
Application Number:
PCT/JP2023/029140
Publication Date:
February 29, 2024
Filing Date:
August 09, 2023
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H01F19/04; H01F17/00; H01F27/00; H01L21/822; H01L25/04; H01L25/18; H01L27/04
Domestic Patent References:
| WO2022163347A1 | 2022-08-04 |
Foreign References:
| JP2022101068A | 2022-07-06 |
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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