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The paper presents an integrated digital communication technique for sending gate signal and gate driver configuration data. As an application example, the developed CMOS gate driver carries the digital data through an optical isolation, in the context of wide bandgap power transistors. The receiver chip integrates all the required functions from the optical receiver to the signal processing circuit...
This paper presents the design of a CMOS gate driver fabricated in 0.18 μm technology. Optical receivers are integrated to provide the highest dV/dt immunity. A configurable buffer with 7A current capability is also integrated. Two solutions of optical receivers and gate signal transfer are introduced. In both cases a particular attention is addressed to the delays and delay mismatches for high frequency...
Based on WBG power devices operating constraints, this paper analyses and presents developments and prototyping of dedicated high side control signal level shifters. Designs take into account temperature, propagation delay deviation and high dv/dt susceptibility to deliver a generic solution able to comply with new device constraints. If silicon technology remains today the unique reliable technical...
This paper presents the design, characterization and implementation of a gate driver based on optical transfer of both, the gate driver supply and its control signal isolation for high side and very high switching speed power devices. Our technique is based on the full monolithic integration within the CMOS-SOI gate driver IC of the optical receivers for both functions, associated with signal and...
This paper presents a CMOS gate driver integrating the required functions from the optical control signal receiver to the output stage gate charge control. Different prototypes were designed and fabricated based on the CMOS industrial technologies available through Multi-Project Wafers (0.35μm LV bulk). Integrated optical receivers are used to provide isolated and low parasitics propagation path for...
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