Thermal sensing circuit using bandgap voltage reference generators without trimming circuitry
US7789558B2 · kind B2 · utility
4Cited by
32References
20Claims
0Family size
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Key dates
| Filing date | Mar 11, 2009 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Mar 11, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/30
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Methods, systems and thermal sensing apparatus are provided that use bandgap voltage reference generators that do not use trimming circuitry. Further, circuits, systems, and methods in accordance with the present invention are provided that do not use large amounts of chip real estate and do not require a separate thermal sensing element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.