Power Integrations has been granted a patent for a system with driver modules connected by a fault condition bus. Each module includes an Error Flag Interface block to detect and communicate local and external fault conditions, enabling the control of the output based on the detected conditions. GlobalData’s report on Power Integrations 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 Power Integrations, Quantum dot devices was a key innovation area identified from patents. Power Integrations's grant share as of February 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.
Driver module with fault detection and communication capabilities
A recently granted patent (Publication Number: US11907054B2) discloses a driver module designed to respond to fault conditions in a system. The driver module includes an error flag interface block with a single terminal error flag input/output (EF I/O) and a control block. The control block enables the error flag interface block to react to a signal indicating a fault condition, inhibits the switching of the module's output in response to an external fault condition detected by the error flag interface block, and controls the setting of an error flag state on the EF I/O in case of a fault condition local to the driver module. The fault conditions considered include over-current, over-voltage, and over-temperature scenarios.
Moreover, the patent also covers a system incorporating the driver module, featuring a fault condition bus and at least one driver module connected to it. The system operates similarly to the driver module, with the error flag interface block and control block working in tandem to respond to fault conditions, inhibit module operation in case of external faults, and set error flag states for local fault detections. The system's fault condition bus can be a single wire bus, and a system controller is included to manage reset states and error flag states. The driver module can function as a half-bridge inverter, a 3-phase motor drive inverter, or a combined driver and power switch in a single package, offering versatility in various applications.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
