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The emerging trend of internet of things (IoT) and artificial intelligence (AI) technologies will bring about a major change in power electronics and create a new generation of the power electronics (Power Electronics 2.0). To enable the IoT- and Al-assisted Power Electronics 2.0, the integration of the sensors, the programmable hardware, and VLSIs for the controller into the power devices/modules...
The requirements for peripheral circuits of power converters are becoming restrictive due to the enhancement of Si power devices and the practical use of SiC and GaN devices. In the design of recent converters with high-speed switching, we must consider the stray inductances and capacitances in the device package and the gate drive circuit in addition to those in the main circuit of the power converter...
Advanced IGBTs need to be shut off when a short circuit occurs within less than 0.5μs as the current density of IGBTs increases. In this paper, a circuit design and the measurement results are described for an IC chip which enables the short-circuit detection within 20-ns. The circuit detects the short-circuit condition by checking the existence of a plateau in a gate drive waveform. The proposed...
A general-purpose clocked gate driver (CGD) IC to generate an arbitrary gate waveform is proposed to provide a universal platform for fine-grained gate waveform optimization handling various power transistors. The fabricated IC with 0.18µm BCD process has 63 PMOS and 63 NMOS driver transistors on a chip whose activation patterns are controlled by 6-bit digital signals and 25-MHz clock (= 40-ns time...
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