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:
Aug. 12, 2003
Filed:
Aug. 23, 2001
Isaac Cohen, Dix Hills, NY (US);
Lambda Electonics, Inc., Melville, NY (US);
Abstract
A power converter apparatus, such as a DC—DC converter, includes a switch that controls current transfer between an input port and an inductance. A control circuit is operative, while current is being transferred between the inductance and a clamping circuit, to control the switch responsive to a current in the inductance. For example, the control circuit may include a current sensor configured to be coupled in series with the inductance and a switch control circuit operative to control the first switch responsive to a current sense signal generated by the current sensor. The switch control circuit may be operative to prevent transition of the switch from the first state to the second state until the current sense signal meets a predetermined criterion, e.g., a signal state indicative of a desired current condition, such as a current approximating zero or a current reversal. Related operating methods are also discussed.