Temperature dependent voltage source compensation
US8022685B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 2007 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Sep 3, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S323/907
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A circuit and a method for regulating a voltage supply where the method includes the steps of concurrently measuring temperature, IR drop and frequency response within the circuit, adjusting voltage supplied to the circuit in response to the measured temperature, IR drop and frequency response, and determining a correction value based on the variance of the measured frequency response from an expected frequency response and providing a correction for subsequent predetermined frequency response values. The frequency response measurement is dependent upon the constant bandgap voltage source which may very according to temperature. Upon a determination that corrections may be required for the bandgap voltage source to compensate for temperature variations, the measurement process which uses the bandgap voltage source can be altered to compensate for the temperature variations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.