Patent · US Active

Frequency jittering control circuit and the method thereof

US9787196B2 · kind B2 · utility

2Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 23, 2016
Grant dateOct 10, 2017
Priority date
Expiry dateSep 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.