Frequency jittering control circuit and the method thereof
US9787196B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 23, 2016 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Sep 23, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/0025
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A control method of frequency jittering with a switching mode power supply, comprising: turning on and off a power switch of the switching mode power supply alternatively; updating a peak current signal of the switching mode power supply at a beginning of an on time of the power switch according to a length of a switching period before the beginning of the on time of the power switch, wherein the peak current signal varies as the length of the switching period changes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.