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- W3038815207 abstract "A low-inductive half-bridge and gate driver package with on-package gate and dc-link capacitors is realized by printed circuit board (PCB) embedding of two GaN-on-Si ICs. While monolithic half-bridge and driver integration reduces on-chip parasitics, it does not solve the interconnection challenge to external capacitors. This letter solves this issue through advantageous combination of PCB embedding and monolithic circuit integration. This letter uses GaN-on-Si power circuits with integrated gate drivers, freewheeling diodes, and temperature and current sensors. GaN ICs are fabricated with thick copper on both sides, which makes them applicable to commercial PCB-embedding technologies. Thermal aspects are discussed and electromagnetic simulations used to compare the PCB-embedded package to a bond wire based package. A PCB-embedded dc-dc converter is operated up to 350 V and 450 W with up to 98.7% efficiency. 380 V hard-switching transitions show below 8% over- and undershoot despite over 120 V/ns slew rates. Parallel platelike placement of silicon flip-chip capacitors above the gate driver final stage transistors and separated only by a thin PCB layer increased the gate-loop parasitic inductance by only 40 pH." @default.
- W3038815207 created "2020-07-10" @default.
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- W3038815207 date "2021-01-01" @default.
- W3038815207 modified "2023-10-14" @default.
- W3038815207 title "PCB-Embedded GaN-on-Si Half-Bridge and Driver ICs With On-Package Gate and DC-Link Capacitors" @default.
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- W3038815207 doi "https://doi.org/10.1109/tpel.2020.3005621" @default.
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