Charger integrated circuit for charging battery device and electronic device including same
US11575267B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2020 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Apr 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/70
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charger integrated circuit for charging a battery device including a first battery and a second battery includes; a first charger configured to generate a first charging current from an input voltage when the input voltage is received from an input voltage terminal, and a battery switch configured to provide the first charging current to the battery device, the battery switch comprising a plurality of transistors for connecting the first battery and the second battery in series or in parallel based on the input voltage, a first both-end voltage of the first battery and a second both-end voltage of the second battery.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.