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Pat. 10461624 United States, Int. Cl.22 H02M 1/08, H02H 9/02, H02M 3/335, H02M 1/00, H02M 1/32. Power switch control circuit and open detection method thereof : Appl. N 15/485226 : Filed 11.04.2017 : Pub. 29.10.2019 : / Pei-Sheng Tsu, Chien-Fu Tang, Isaac Y. Chen ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10461624/en?oq=US10461624.html (дата обращения: ДД.ММ.ГГГГ).