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:
Jul. 25, 2017
Filed:
Feb. 25, 2015
Texas Instruments Incorporated, Dallas, TX (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
A DC-to-DC converter includes first and second switches. If on, the first switch provides a signal path through a common node to an output voltage node. If on, the second switch provides a signal path through the common node to the output voltage node. Control logic provides first and second control signals to control the first and second switches. A node produces a first voltage that ramps up from zero during initialization, and a soft start controller controls the second control signal while the first voltage is not greater than a predefined level. While the first voltage is not greater than the predefined level, the soft start controller keeps the second control signal at a higher level to maintain on the second switch, and transitions the second control signal to a lower level only when the first control signal transitions from a lower level to a higher level.