Wolfspeed has been granted a patent for a power module design that includes multiple terminals at different elevations, power devices, and a housing. The patent also covers a process for configuring and testing the power module using various components and sensors, with output to a man-machine interface or computer system. GlobalData’s report on Wolfspeed gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Wolfspeed, Quantum dot devices was a key innovation area identified from patents. Wolfspeed's grant share as of May 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.
Power module configuration and testing process
A recently granted patent (Publication Number: US12010823B2) outlines a process for configuring and testing power modules. The process involves providing a power module and configuring it with components such as buss bars, drivers, capacitors, and cold plates within a configuration housing. The power module is operated with a controller, and operating parameters are measured using sensors. These parameters are then outputted via an electrical interface to a man-machine interface or a computer system. The process also includes modifying the configuration, testing it for specific applications like inverters, power systems, motor systems, or charging systems, and analyzing the results through the electrical interface.
Furthermore, the patent describes a test configuration specifically designed to test power module configurations. This configuration includes power modules, components like buss bars and drivers, a configuration housing, sensors, and an electrical interface for data exchange. The configuration is capable of testing implementations for various applications and can be modified accordingly. Additionally, the power modules themselves are detailed, highlighting features such as switching speeds, terminal configurations, and stray inductance values. The patent also covers specific applications like inverters, power systems, motor systems, and charging systems, emphasizing the versatility and adaptability of the described technology.
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