Switching converter with multiple drive stages and related modes
US11264898B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2019 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Nov 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/0036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system includes a switching converter with an output inductor. The switching converter also includes a switch set with a switch node coupled to the output inductor. The switching converter also includes a first drive stage coupled to the switch set. The switching converter also includes a second drive stage coupled to the switch set. The switching converter also includes a controller coupled to the first drive stage and the second drive stage. The controller includes a supply voltage detector circuit. The controller also includes a level shifter coupled to an output of the supply voltage detector circuit. The controller also includes a selection circuit coupled between the level shifter and the second drive stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.