Memory system storage device with power loss protection circuit
US11854645B2 · kind B2 · utility
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4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2022 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Mar 15, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11C2029/0409
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A memory system and storage device are provided, including: an auxiliary power device having at least one capacitor, wherein the at least one capacitor has a first path for leakage current; a charging circuit including a switch connected to the auxiliary power device; and a state determining circuit connected to the auxiliary power device, wherein the state determining circuit includes a path circuit connected in parallel with the at least one capacitor to form a second path having at least one of a resistance lower than a resistance of the first path or a current source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.