Power management arrangement for a mobile device
US8339105B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2007 |
| Grant date | Dec 25, 2012 |
| Priority date | — |
| Expiry date | Dec 20, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2207/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power management arrangement for a mobile device comprising a digital circuit block and an analog circuit block, the power management arrangement being arranged to supply a first voltage to the analog circuit and a second voltage to the digital circuit, the power management arrangement comprising: an input unit adapted to receive input voltages from a plurality of power sources; a first voltage regulator coupled to the input unit and for supplying the first voltage; a second voltage regulator for supplying the second voltage and arranged to be selectively coupled to one of the first voltage regulator and input unit; and control logic adapted to select which of the received input voltages from the plurality of power sources provides power to the first and second voltage regulators, and to determine the magnitude of the first and second voltages supplied by the first and second voltage regulators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.