Advanced Energy Industries has been granted a patent for a voltage converter with a unique snubber circuit design. The converter efficiently converts input voltage to an output voltage using a main switch and control circuit. The patented technology is specifically designed for flyback voltage converters. GlobalData’s report on Advanced Energy Industries 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 Advanced Energy Industries, Smart grids was a key innovation area identified from patents. Advanced Energy Industries's grant share as of February 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Flyback voltage converter with snubber circuit
A recently granted patent (Publication Number: US11929682B2) discloses a voltage converter designed as a flyback voltage converter. The converter includes a transformer with a primary winding connected to a voltage input, a main switch linked to the primary winding, and a snubber circuit with a controllable switch to regulate voltage conversion. The control circuit manages the main switch to convert the input voltage to a distinct output voltage. The controllable switch is a super junction metal-oxide-semiconductor field-effect transistor (MOSFET), while the main switch may be a non-super junction MOSFET. The control circuit is programmed to achieve zero-voltage switching (ZVS) by turning the main switch on near the minimum value of a ringing cycle.
The patent also outlines a method for manufacturing the voltage converter, following a similar configuration as described in the claims. The method involves coupling the transformer, main switch, snubber circuit, and control circuit to enable the conversion of input voltage to an output voltage. The use of a super junction MOSFET for the controllable switch and the implementation of ZVS by turning the main switch on at a specific point in the ringing cycle are highlighted. Additionally, the method includes coupling a diode between the secondary winding of the transformer and the voltage output terminal to complete the voltage conversion process. This patent provides a detailed guide for constructing a voltage converter with specific components and control mechanisms to optimize efficiency and performance.
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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.
