Reducing electromagnetic interference in switching regulators
US10122265B1 · kind B1 · utility
8Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2018 |
| Grant date | Nov 6, 2018 |
| Priority date | — |
| Expiry date | Jan 3, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/0025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An apparatus is provided which comprises: at least two switches in series between an input voltage node and a ground terminal; an inductor coupled between a mid-point of the at least two switches and an output terminal; a first circuitry to compare a current through the inductor with a threshold current, and to control one or both of the at least two switches, based at least in part on the comparison; and a second circuitry to randomly vary the threshold current over consecutive cycles of switching of the at least two switches.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.