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Showing 1 to 6 of 6 for “"Adaptive Voltage Positioning"”.
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High Performance Digital Control Techniques for Powering Microprocessors
… in which processors closely interact with voltage regulators are becoming necessary to enhance system energy efficiency. Digital techniques offer advantages such as flexibility, fewer external components and reduced overall cost as compared to conventional analog techniques. The primary …
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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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Unified Three-terminal Switch Model for Current Mode Controls
… 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 voltage and the output voltage, is used in the modulator in current-mode control without any …
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Hybrid Active Power Filter with Output Impedance Control
… role in the behavior and design of today's VRM (Voltage Regulator Module) design. In fact, it is the ESL of the capacitor that hinders proper voltage regulation at high frequencies by increasing the output impedance beyond a desired level. This dilemma has been recognized and several topologies …
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Investigation of Alternative Power Architectures for CPU Voltage Regulators
… with Moore's law, there are still challenges for voltage regulators (VRs). Firstly, high efficiency is required not only for easy thermal management, but also for saving on electricity costs for data centers, or battery life extension for laptop computers. At the same time, high power density is …
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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 …