Multi-phase switching regulator and control method thereof
US8836298B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2013 |
| Grant date | Sep 16, 2014 |
| Priority date | — |
| Expiry date | Aug 15, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a multi-phase switching regulator and a control method thereof. The multi-phase switching regulator includes plural power stage circuits, wherein at least one power stage circuit is enabled or disabled according to a phase adding/shedding signal; at least one zero current detection circuit, which is coupled to one of the power stage circuit, for generating a trigger signal according to an inductor current in a corresponding one of the power stage circuits, a zero current reference signal, and an average reference signal; and a phase control circuit controlling the phase adding/shedding operation according to the trigger signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.