Battery charging circuit
US10547193B1 · kind B1 · utility
1Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2018 |
| Grant date | Jan 28, 2020 |
| Priority date | — |
| Expiry date | Oct 22, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J7/0013
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A battery charging circuit adjusts a voltage proportional relationship between a turned-on voltage of a charging transistor and a turned-on voltage of a first transistor according to a first voltage corresponding to a charging current and a second voltage corresponding to the charging current, so that a ratio between the charging current and a first current sensing the charging current is a constant value or close to a constant value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.