Adaptive bias circuit for power event detection comparator
US10659025B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Apr 9, 2019 |
| Grant date | May 19, 2020 |
| Priority date | — |
| Expiry date | Apr 9, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/96073
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A system includes: a power supply; an adaptively biased power event detection comparator; and an adaptive bias circuit for the adaptively biased power event detection comparator. The adaptively biased power event detection comparator is configured to compare a first input corresponding to a voltage level of the power supply with a second input corresponding to a reference voltage. The adaptive bias circuit is configured to increase a bias current for the adaptively biased power event detection comparator based on the voltage level of the power supply decreasing to be closer to the reference voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.