Selected patents on low cost and efficient DC-DC converter

Chi Mo, Peyman Arefi*, Cristiano Bazzani, Yuan Li

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


In this paper, some of the most recent patents about the switching regulators that use both PWM (Pulse Width Modulation) and PFM (Pulse Frequency Modulation) to improve the efficiency are introduced. The proper switching between the modes as one of the major design concerns is reviewed. Also, a novel architecture that helps to reduce the number of the inductors in SIMO (Single Input Multiple Outputs) systems is introduced. In addition, two patents about the gate drivers are recommended to improve the gate drive efficiency.

Original languageEnglish (US)
Pages (from-to)147-153
Number of pages7
JournalRecent Patents on Electrical and Electronic Engineering
Issue number2
StatePublished - 2013
Externally publishedYes


  • DC-DC converter
  • Gate driver
  • Inductor multiplex
  • PFM/PWM selection
  • Single inductor multiple output (SIMO)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering


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