Thales has been granted a patent for a power stage that includes a power transistor and driver, featuring a resistor and circuits to compensate for initialization delays during switching. This design aims to enhance the performance of the power transistor by managing current diversion effectively. GlobalData’s report on Thales 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 Thales, Drone swarm control was a key innovation area identified from patents. Thales's grant share as of June 2024 was 68%. Grant share is based on the ratio of number of grants to total number of patents.
Power stage with delay compensation for power transistors
The patent US12047057B2 describes a power stage that integrates a power transistor and a driver, designed to facilitate the transition of the power transistor between saturated and off states based on driver control. Central to this design is a resistor positioned between the driver and the gate of the power transistor, along with a first circuit that compensates for delays. This first circuit operates in parallel with the resistor and includes mechanisms to address both turn-on and turn-off initialization delays, as well as a secondary circuit that manages delays when the power transistor approaches saturation. The components of these circuits include signal diodes, signal transistors (which can be either PNP bipolar or P-channel MOSFET), resistors, and capacitors, all working together to enhance the responsiveness of the power stage.
Further detailing the compensation mechanisms, the patent outlines specific configurations for the turn-off initialization delays, which involve a second signal transistor (either NPN bipolar or N-channel MOSFET) and its associated components. Additionally, the design incorporates a third circuit that diverts current from the resistor when the power transistor nears saturation, utilizing a third signal diode and transistor, along with further resistors and capacitors. This comprehensive approach aims to improve the efficiency and performance of power transistors in various applications, ensuring quicker response times and better control over the switching states.
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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.
