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This paper presents the digital overcurrent limitation for the peak current mode dc-dc converter to realize the highly reliable power supply system. The proposed overcurrent limitation circuit is the simple configuration because the existing function in the regulation mode is applied. The proposed method can detect the overcurrent in real time and it is possible to maintain an arbitrary current in...
The purpose of this paper is to present the digital overcurrent detector for the peak current mode dc-dc converter which has been already applied to the server for the data center. The proposed peak current detection circuit is composed of the RC integrator and comparator as the A-D converter for the detected current. The proposed method can detect the overcurrent by using the RC integration time...
The purpose of this paper is to present the digital peak current mode phase-shifted full-bridge zero volt switching dc-dc converter for the data center in the higher voltage direct current (HVDC) system, and show its transient response. The proposed peak current mode control circuit is composed of the RC integrator and comparator only and can detect the peak current in real time. At first, the basic...
The purpose of this paper is to present the demonstration of digitally controlled peak current mode parallel dc-dc converter for the higher voltage direct current (HVDC) system. The peak current mode control circuit is only composed of the RC integrator and comparator. It can detect the peak current in real time. A prototype uses 800W phase-shifted full-bridge zero volt switching (ZVS) dc-dc converter...
The purpose of this paper is a new digital peak current control for the dc-dc converter with a fast proportional (P) control and IIR filter. The proposed control circuit has two features. First, a simple A-D converter for the peak current detection is used. It is consist of an RC integrator and delay circuit. The sampling point of detected current is changed by the feedback value of output voltage...
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