System and method of trickle charging a battery in a narrow rail architecture
US7948213B2 · kind B2 · utility
1Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2009 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for charging a battery of an electronic device using a connected a/c power adapter comprising the steps of determining a state of a transistor connecting a regulated voltage to the battery and switching a charging current applied to the battery between a quick charge level and a trickle charge level responsive to the state of the transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.