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Showing 1 to 20 of 75 for “"Voltage Regulator"”.
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Modeling of Integrated Voltage Regulator Power delivery systems
… Integration of on chip inductive DC-DC voltage regulators has become a popular way to design SOCs with improved power efficiency and performance. Such distributed power systems are highly complex because of their multi parametric interactive behavior. The various parameters encompass the …
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Supercapacitor-based linear converter for voltage regulator modules
… converter technique suitable for microprocessor voltage regulator modules (VRMs). The original linear regulator is the patented supercapacitor assisted low-dropout regulator (SCALDO). A less complex, lower cost design was achieved by reducing the number of switches in the original SCALDO and …
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On-chip Voltage Regulator– Circuit Design and Automation
… and regulation requirements with off-chip regulators. The off-chip regulators become a less attractive choice because of the higher overheads and complexity imposed by the additional wires, pins, and pads. The increased I2R loss makes it challenging to maintain the integrity of different …
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The Optimum Design of a Step Voltage Regulator.
Optimum designs of voltage regulating transformers can be achieved only when the designer knows the characteristics of the different design parameters and how they affect the total design. The criteria controlling the design of most voltage regulating transformers are not readily available since …
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Modeling and Analysis of a Dynamic Voltage Regulator
… often highly variable, resulting in undesirable voltage disruptions that are harmful to sensitive loads. In addition to the energy variability of renewable energy sources, random voltage sags, swells and disruptions are already a major issue in power systems. Recent advances in power electronic …
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48V/1V Voltage Regulator for High-Performance Microprocessors
… improvements in system efficiency lies in the voltage regulator modules (VRMs), which grapple with challenges such as high conversion ratios, elevated output currents, and substantial load transients. These challenges are particularly pronounced for AI processors and graphics processing units …
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Modeling and Design of Digitially Controlled Voltage Regulator Modules
… controllers will be increasingly used in low voltage, high-current and high frequency voltage regulator modules (VRMs) where conventional analog controllers are currently preferred because of the cost and performace reasons. However, there are still remaining two significant challenges for the …
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Low-voltage High-efficiency Fast-transient Voltage regulator Module
… microprocessors are being designed with lower voltage implementations. The processor voltage supply in future generation processors will decrease to 1.1 V ~ 1.8V. More devices will be packed on a single processor chip, and processors will operate at higher frequencies, beyond 1GHz. Therefore, …
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Improvement of Sigma Voltage Regulator - A New Power Architecture
With lower output voltage (lower than 1V) and higher output current (more than 160A) required in the near future, the voltage regulators for the microprocessors, a kind of special power supplies are facing more and more critical challenges to achieve high efficiency and high power density. 90% plus …
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Analysis of low voltage regulator efficiency based on ferrite inductor
Low voltage regulator based on ferrite inductor, using single- and two-phase topologies, were designed and simulated in MATLAB. Simulated values of output voltage and current were used to evaluate the buck converter (i.e., low voltage regulator) for power efficiency and percentage ripple reduction …
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Multiphase Voltage Regulator Modules with Magnetic Integration to Power Microprocessors
… (VLSI) technologies impose challenges for voltage regulator modules (VRM) to deliver high-quality power to modern microprocessors. As an enabling technology, multiphase converters have become the standard practice in VRM industry. The primary objectives of this dissertation are to develop …
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A Silicon Germanium CMOS Linear Voltage Regulator for Wireless Agricultural Applications
… metal-oxide-semiconductor (CMOS) linear regulator. The objective of the circuit is to power other analog devices regardless of the load current and input voltage changes. The application of this regulator is to be part of a project developing a miniaturized semiconductor platform that can …
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Impact of Photovoltaic System Penetration on the Operation of Voltage Regulator Equipment
… circuit; for example, the assumption that the voltage profile of a radial line decreases down-stream becomes invalid because of the addition of the PV system on the line. This poses new challenges when setting the parameters of voltage regulating devices. Add to that the fact that PV systems …
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A low-power, high-bandwidth LDO voltage regulator with no external capacitor
A low-dropout (LDO) voltage regulator for low-power applications is designed without an external capacitor for compensation. The regulator has two stages, the first a folded cascode amplifier and the second a large pass transistor acting as a common-source amplifier. To better explore the tradeoff …
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Control and Modeling of High-Frequency Voltage Regulator Modules for Microprocessor Application
The future voltage regulator module (VRM) challenges of high bandwidth control with fast transient response, high current output, simple implementation, and efficient 48V solution are tackled in this dissertation. With the push for control bandwidth to meet design specifications for microprocessor …
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Investigation of High-Input-Voltage Non-Isolated Voltage Regulator Modules Topology Candidates
… the 5V plane on the system board. A so-called Voltage Regulator Module (VRM), is put close to the processor in order to provide the power as quickly as possible. Nowadays, for desktop and workstation applications, VRM input voltage has moved to the 12V output of the silver box. In the meantime, …
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Design of Active Clamp for Fast Transient Voltage Regulator-Down (VRD) Applications
… the 5V plane on the system board. A so-called Voltage Regulator Module (VRM) is put close to the processor in order to provide the power as quickly as possible. Nowadays, for desktop and workstation applications, VRM input voltage has moved to the 12V output of the silver box. In the meantime, …
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Performance Improvements of Multi-Channel Interleaving Voltage Regulator Modules with Integrated Coupling Inductors
… necessitates that a dedicated converter, the voltage regulator module (VRM), be physically located very close to the processor in computer power systems. The efficiency and transient response specifications of the VRM place contradictory requirements on the inductance. This dissertation …
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MOSFET Current Source Gate Drivers and Topologies for High Efficiency and High Frequency Voltage Regulator Modules
… the Moore’s law. As a result, the operating voltages of the future microprocessors follow the trend of decreasing (sub 1V) while the demanding currents increase (higher than 100A). Furthermore, the high slew rates during the transient will reach 1200 A/us. All these impose a serious challenge …
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A comparative study of MPPT and voltage regulator controllers for controlling output voltage in PV applications
… the conventional method. This algorithm needs voltage and a current sensor to sense the power parameters of the panel in real time and generate a small difference in duty cycle called perturbation and a boost converter increase or decrease the voltage level based on the PWM signals until the …
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