Invention Grant
- Patent Title: Methods and apparatus for isolation barrier with integrated magnetics for high power modules
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Application No.: US16700739Application Date: 2019-12-02
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Publication No.: US11094449B2Publication Date: 2021-08-17
- Inventor: Roberto Giampiero Massolini , Vijaylaxmi Khanolkar , Joyce Mullenix , Rais Miftakhutdinov
- Applicant: TEXAS INSTRUMENTS INCORPORATED
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Valerie M. Davis; Charles A. Brill; Frank D. Cimino
- Main IPC: H01F27/28
- IPC: H01F27/28 ; H01F27/24 ; H01F41/04 ; B22F7/06 ; B22F3/10 ; B22F5/12 ; H01F41/02

Abstract:
For isolation barrier with magnetics, an apparatus includes an isolation laminate including a dielectric core having a first surface and a second surface opposed to the first surface; at least one conductive layer configured as a first transformer coil overlying the first surface; a first dielectric layer surrounding the at least one conductive layer; a first magnetic layer overlying the at least one conductive layer; at least one additional conductive layer configured as a second transformer coil overlying the second surface; a second dielectric layer surrounding the at least one additional conductive layer; and a second magnetic layer overlying the at least one additional conductive layer. Methods for forming the isolation barriers and additional apparatus arrangements are also described.
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