Voltage regulator efficiency-aware global-minimum energy tracking
US10739804B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2017 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Sep 22, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Various embodiments of the invention may be used to find a combination of voltage and frequency that results in a minimum amount of energy consumption in a digital system, including energy consumed by the system's voltage regulator (VR). The process may involve finding a separate point of minimum energy consumption for each of several different modes of the VR, where a mode is the ratio of Vin to Vout for that VR. The smallest value of those points may then be selected as the overall minimum. The process for making this determination may be performed in situ while the device is in operation, and may encompass changes in operational temperature, load, and process variations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.