Performance characteristic of digital peak current mode control switching power supply

The purpose of this paper is to discuss performance characteristic of digital peak current mode control switching power supply. The proposed method can capture the peak current value in real time by using the voltage controlled oscillator (VCO), the programmable delay circuit and the signal frequenc...

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Published inEPE '15 ECCE-Europe : 2015 17th European Conference on Power Electronics and Applications : 8-10 September 2015 pp. 1 - 10
Main Authors Furukawa, Yudai, Maeda, Shusuke, Kurokawa, Fujio, Colak, Ilhami
Format Conference Proceeding
LanguageEnglish
Japanese
Published Jointly owned by EPE Association and IEEE PELS 01.09.2015
Subjects
Converter control
DC power supply
Delays
Detectors
Digital control
Power supply
Pulse width modulation
Switches
Voltage control
Voltage-controlled oscillators
Online AccessGet full text
DOI10.1109/EPE.2015.7311677

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Abstract The purpose of this paper is to discuss performance characteristic of digital peak current mode control switching power supply. The proposed method can capture the peak current value in real time by using the voltage controlled oscillator (VCO), the programmable delay circuit and the signal frequency detector. Its transfer function is derived analytically. Also, the frequency characteristics are revealed using the loop transfer function in the case of different voltage control loop gains. In addition, its gain margin and phase margin are discussed. Furthermore, the transient responses of proposed method are compared with the conventional voltage mode control in the simulation and the experiment.
AbstractList The purpose of this paper is to discuss performance characteristic of digital peak current mode control switching power supply. The proposed method can capture the peak current value in real time by using the voltage controlled oscillator (VCO), the programmable delay circuit and the signal frequency detector. Its transfer function is derived analytically. Also, the frequency characteristics are revealed using the loop transfer function in the case of different voltage control loop gains. In addition, its gain margin and phase margin are discussed. Furthermore, the transient responses of proposed method are compared with the conventional voltage mode control in the simulation and the experiment.
Author Furukawa, Yudai
Kurokawa, Fujio
Colak, Ilhami
Maeda, Shusuke
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  givenname: Yudai
  surname: Furukawa
  fullname: Furukawa, Yudai
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  organization: Nagasaki Univ., Nagasaki, Japan
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  givenname: Shusuke
  surname: Maeda
  fullname: Maeda, Shusuke
  organization: Nagasaki Univ., Nagasaki, Japan
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  givenname: Fujio
  surname: Kurokawa
  fullname: Kurokawa, Fujio
  organization: Nagasaki Univ., Nagasaki, Japan
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  givenname: Ilhami
  surname: Colak
  fullname: Colak, Ilhami
  email: icolak@gelisim.edu.tr
  organization: Cihangir Mah. Dolum Tesisleri Yolu Cehit, Gelisim Univ., Istanbul, Turkey
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Snippet The purpose of this paper is to discuss performance characteristic of digital peak current mode control switching power supply. The proposed method can capture...
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SubjectTerms Converter control
DC power supply
Delays
Detectors
Digital control
Power supply
Pulse width modulation
Switches
Voltage control
Voltage-controlled oscillators
Title Performance characteristic of digital peak current mode control switching power supply
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