Efficient system on chip power delivery with adaptive voltage headroom control
US11886275B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2022 |
| Grant date | Jan 30, 2024 |
| Priority date | — |
| Expiry date | Aug 10, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods related to efficient system on chip (SoC) power delivery with adaptive voltage headroom control are described. A method for adaptively controlling voltage headroom for a system includes, in response to either a detection of a headroom violation by a per core voltage regulator headroom monitor or a detection of a voltage droop by a per core droop detector, independently throttle operating frequency of a respective core clock signal. The method further includes, in response to meeting a predetermined criterion: (1) lowering the operating frequency of the respective core clock signal, (2) monitoring headroom violation events and droop events at the lowered operating frequency, and (3) if monitored headroom violation events or monitored droop events continue to meet the predetermined criterion, changing the voltage set point associated with the motherboard voltage regulator to a second voltage set point corresponding to a higher voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.