Device and method for charging a battery discharged beyond at least one operating threshold
US11689042B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2020 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Mar 14, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0069
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Example implementations include obtaining charging power from a power source, obtaining a charging command, activating a trickle current to a battery, entering a first charging state in response to a condition that a voltage of the battery does not satisfy a deep discharge threshold, and entering a second charging state in response to a condition that a voltage of the battery satisfies a deep discharge threshold. Example implementations can further include supplying the trickle current in a burst to the battery in response to a condition that the voltage of the battery does not satisfy a fuel gauge threshold, upon entering the second charging state. Example implementations can further include supplying the trickle current continuously to the battery in response to a condition that the voltage of the battery satisfies the fuel gauge threshold, upon entering the second charging state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.