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Showing 1 to 20 of 113 for “"Current Mode"”.
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Current-mode CMOS hybrid image sensor
… image sensor-based cameras indispensable in many modern life devices like cell phones, surveillance devices, personal computers, and tablets. For various purposes wireless portable image systems are widely deployed in many indoor and outdoor places such as hospitals, urban areas, streets, …
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Peak Current Mode Driver for Thermoelectric Cooler
… In order to both heat and cool, a bidirectional current must be supplied to the TEC. Therefore, a driver circuit is needed to supply the TEC with this bidirectional input. This thesis explores a design for an ultra-compact driver for a TEC that allows the system to quickly respond to …
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Digital current mode control for multiple input converters
… this thesis, the possibility of applying digital current mode control on multiple-input (MI) converters is studied. As for MI topologies having a central energy transfer inductor, the predictive constant on-time current-mode control can greatly reduce both the design and digital realization …
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Multiple-Valued Logic Design in Current-Mode CMOS
… reduced requirements for interconnection wiring. Currently, it is advantageous if MVL circuits are used along with binary circuits in the design of Very Large Scale Integration (VLSI) circuits. In order to minimize the fabrication process related overheads, it is desirable to design MVL circuits …
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Current-Mode Control: Modeling and its Digital Application
Due to unique characteristics, current-mode control architectures with different implementation approaches have been widely used in power converter design to achieve current sharing, AVP control, and light-load efficiency improvement. Therefore, an accurate model for current-mode control is …
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A new small-signal model for current-mode control
A new small-signal model is developed for pulse-width-modulated converters operating with current-mode control. Four different control schemes are analyzed, all of which use the instantaneous value of the inductor current as part of the control modulation. Continuous-conduction mode and …
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Current-mode control of a magnetic amplifier post regulator
An analysis is presented on current-mode control of a magnetic amplifier post regulator. Small-signal models for a magnetic amplifier reset method are developed for post regulators operating in continuous conduction mode. A design procedure is given and experimental verification of the model is …
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Unified Three-terminal Switch Model for Current Mode Controls
Current-mode control architectures with different implementation approaches have been an indispensable technique in many applications, such as voltage regulator, power factor correction, battery charger and LED driver. Since the inductor current ramp, one of state variables influenced by the input …
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Average current-mode control and charge control for PWM converters
Two control schemes for PWM converters, average current-mode (ACM) control and charge control, are studied in this dissertation. The small-signal models are derived for continuous-conduction mode PWM converters employing these two controls. Sampled-data modeling is applied to the current loop …
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Equivalent Circuit Model for Current Mode Controls and Its Extensions
Current-mode control architectures have been an indispensable technique in many applications, such as Voltage Regulator, Point-of-load converters, power factor correction, battery charger and LED driver. Since the inductor current ramp is used in the modulator in current-mode control without any …
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Gigahertz-Range Multiplier Architectures Using MOS Current Mode Logic (MCML)
… multipliers. The focus of our research for modern digital systems is two fold. The first one is to analyze a relatively unexplored logic style called MOS Current Mode Logic (MCML), which is a promising logic technique for the design of high performance arithmetic circuits with minimal power …
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Advanced current-mode control techniques for DC-DC power electronic converters
<p>"There are many applications for dc-dc power electronic converters in industry. Considering the stringent regulation requirements, control of these converters is a challenging task. Several analog and digital approaches have already been reported in the literature. This work presents new control …
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Modeling and design of digital current-mode constant on-time control
… from the sample-hold effect. In this thesis, the modeling, analysis and design methodology for the constant frequency voltage-mode control is reviewed. A DPWM (Digital Pulse Width Modulator) model is verified in simulation, which shows what effects the digital control brings to the conventional …
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Modeling of V2 Control with Composite Capacitors and Average Current Mode Control
Various types of current mode control are being used in different applications. Model for current mode control is indispensable for proper system design. Since 1980s, modeling of current mode control has been a hot topic in power electronics field. In current mode control, sub-harmonic oscillation …
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Generalized Average-Current-Mode Control of Single-Phase AC-DC Boost Converters with Power Factor Correction
The dissertation presents a generalized average-current-mode control technique (GACMC), which is an extension of the average-current-mode control (ACMC) for single-phase ac-dc boost converters with power factor correction (PFC). Traditional ACMC is generalized in a sense that it offers improved …
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Application of Hollow Cathode Lamps in a Programmed High-Current Mode for Fluorescence and Absorption Molecular Spectrometry
Made available in DSpace on 2014-12-13T20:09:31Z (GMT). No. of bitstreams: 1 7524346.pdf: 5063102 bytes, checksum: f3a18739de2d46a5d1177fa94fc85dce (MD5) Previous issue date: 1975
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