STMicroelectronics had 102 patents in future of work during Q1 2024. STMicroelectronics NV filed patents in Q1 2024 for various electronic circuits and systems. These include a method for measuring current in Field Effect Transistors, a wireless power-reception system with a bridge rectifier, a digital-to-analog converter with common-mode adaptation, a controller for switches in an electronic circuit, and a control device for a switching voltage regulator with burst-mode control. GlobalData’s report on STMicroelectronics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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STMicroelectronics grant share with future of work as a theme is 51% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Method for sensing a current flowing in a transistor driving a load, and corresponding circuit arrangement for sensing (Patent ID: US20240103046A1)
The patent filed by STMicroelectronics NV describes a method and circuit for measuring the current flowing in Field Effect Transistors (FETs) in a power stage driving a load. The method involves measuring the drain to source voltage of the FETs, measuring the operating temperature of the FETs, and calculating the current based on the measured values. The circuit includes a pre-driving stage with components for voltage measurement, temperature measurement, and current calculation using a processing circuit.
The method further includes calibration steps to ensure accurate measurements, such as obtaining a calibration value at a reference temperature, which can be room temperature. The circuit utilizes differential operational amplifiers and a multiplexer to measure the drain to source voltages of the FETs and convert them to digital values for processing. Additionally, the operating temperature of the FETs is determined by measuring the forward voltage of diodes adjacent to the FETs, ensuring accurate current calculations based on temperature variations. The circuit design is suitable for various configurations, including full H-bridge and half bridge configurations, and can be used to drive DC electric motors efficiently.
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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.
