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A hybrid cascoded GaN switch configuration is demonstrated in power conversion applications. A novel metal package is proposed for the packaging of a D-mode GaN metal-insulator-semiconductor high electron mobility transistor (MIS-HEMT) cascoded with an integrated power MOSFET and a Schottky barrier diode. The normally-off cascode circuit provides a maximum drain current of 14.6 A and a blocking capability...
This paper presents a 270-V, 56-A GaN power module with three AlN substrates are prepared for the module. Each substrate is composed of three parallel connected GaN chips which incorporates six 2-A AlGaN/GaN-on-Si high electron mobility transistors (HEMTs) cells. The devices are wire-bonded in parallel connection to increase the power rating. The packaged GaN HEMTs exhibit the pulsed drain current...
This paper presents a 270-V, 56-A GaN power module with three AlN substrates are prepared for the module. Each substrate is composed of three parallel connected GaN chips which incorporates six 2-A AlGaN/GaN-on-Si high electron mobility transistors (HEMTs) cells. The substrate layout inside the module is designed to reduce package parasitic. The devices are wire-bonded in parallel connection to increase...
This paper presents the packaging development of high power AlGaN/GaN high electron mobility transistors (HEMTs) on Si substrate. The device is attached in a V-groove copper base, and mounted on TO-3P leadframe. Our packaging structure is designed on the device periphery surface for enhancing Si substrate thermal dissipation. The effects of structure design and fabrication processes on the device...
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