Digital power monitoring circuit and system
US8280655B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 29, 2008 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Jun 6, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R21/133
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A digital power monitoring circuit for monitoring power through an output inductor of a switching power supply in accordance with an embodiment of the present application includes a first analog to digital converter receiving a current sense signal indicative of the current through the output inductor and providing a first digital signal including information regarding the current through the output inductor, a second analog to digital converter receiving a signal indicative of the output voltage of the switching power supply and providing a second digital signal containing information regarding the output voltage of the switching power supply; and a convolver circuit operable to receive the first digital signal and the second digital signal and to provide a third digital signal including information regarding the power through the output inductor based on the first and second digital signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.