The platform ensures user safety and protection of the system's measurement hardware. The Double Pulse Test (DPT) is used to characterize theturn-on and turn-off characteristics of switching power transistors. For this reason, it is strongly recommended that the high voltage portion of the test setup be enclosed inside a protective cover (figure 3). Figure 2 The measurement setup includes the IsoVu system (left) and a DPT board with MMCX connectors (right). The application is compatible with all Tektronix VPI probes and, when used with the Tektronix IsoVu™ probes it helps uncover all the hidden artifacts of SiC or GaN . PDF High Power IMS Evaluation Platform PD1500A Dynamic Power Device Analyzer/Double Pulse Tester As an off-the-shelf measurement solution, the PD1500A delivers reliable, repeatable measurements of wide-bandgap semiconductors. PDF Application Brief GaN Switching Loss Simulation using LTSpice - GaN Systems The integral of voltage and current during the turn-on transition R results in [20], [29]. This test is used to characterize the switching loss distribution. GaN Systems' imposing growth in the Asia region and internationally are proof of its recently announced USD $150 million growth capital funding round to accelerate innovation and adoption of GaN technology across its automotive, consumer, industrial, and enterprise markets. IsoVu Probe - A high-common mode rejection probe to measure Vgs. Half-bridge evaluation board - GaNPower PDF High Power IMS Evaluation Platform - mouser.com To overcome this and other challenges in testing GaN power transistors, Keysight developed a customized GaN test board to use with the PD1500A Dynamic Power Device Analyzer and Double Pulse Tester. As shown in Figure 6, ΔRDS (ON) slightly increased as longer and higher VDS (OFF) stress was applied, confirming that our double pulse test system can evaluate the current collapse of GaN power transistors effectively.

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