The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Feb. 14, 2024
Acleap Power Inc., Taipei City, TW;
OmniOn Power Technology GmbH, Baden, CH;
Abstract
In one embodiment, a driving circuit device for a totem pole power factor correction converter (PFC) includes: a controller configured to control an initial drive level of a switching tube of the converter; a current judgment circuit configured to determine whether the inductive current of the converter crosses zero or not; a selector configured to compare a power supply voltage of the converter with zero and select, based on a result of the comparison, one of an output level of the current judgment circuit and a preset logic level as an intermediate control level to be output; and an calculator configured to perform a logical operation on the intermediate control level and the initial drive level to generate a target drive level for driving the switching tube.