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Showing 1 to 18 of 18 for “"Voltage Regulator Module"”.
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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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System-level optimization of the DC-DC voltage regulator and core for sub/near-threshold voltage operation
Switched capacitor voltage regulator module (SC-VRM) is suitable for low power embedded systems operating in near/sub-threshold region due to its high conversion ratio and compactness. However, existing optimization for SC-VRM is separated from the embedded core design and therefore leads to …
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Modeling and design of digital current-mode constant on-time control
… DC/DC converter, especially with regards to the voltage regulator module. One issue is the limit cycle oscillation problem caused by the quantization effect from the ADC and DPWM of the digital control chip. Another issue is the delay problem coming from the sample-hold effect. In this thesis, …
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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 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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High-Frequency and High-Performance VRM Design for the Next Generations of Processors
… slew rate will rise up to 250 A/ns; and the core voltage will decrease to 0.8 V. The rapid advancement of processor technology has posed stringent challenges to power management for both an efficient power delivery and an accurate voltage regulation. The primary objectives of this dissertation are …
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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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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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High Frequency, High Current Integrated Magnetics Design and Analysis
… A special DC-DC converter called a VRM (Voltage Regulator Module) is used to power these machines. The VRM faces the task of supplying high current and high di/dt to the microprocessor while maintaining a tight load regulation. As computers have advanced, so have the VRM's used to power …
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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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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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High Frequency, High Current Density Voltage Regulators
As a very special DC-DC converter, VRM (Voltage Regulator Module) design must follow the fast-developing trend of microprocessors. The design challenges are the high current, high di/dt, and stringent load-line requirement. When the energy is transferred from the input of a VRM, through the VRM, …
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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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Power Architectures and Design for Next Generation Microprocessors
… raises significant challenges for the voltage regulator modules (VRMs) required for powering the processor. The 48V VRM in the vicinity of the CPU needs to be designed with very high efficiency, high power density, high light-load efficiency, as well as meet all transient requirements …
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Multi Resonant Switched-Capacitor Converter
… (RSCC) proposed by Shoyama and its high voltage conversion ratio derivation such as Switched-Tank Converter (STC) by Jiang and li employ half sinusoidal-current charge transfer method between capacitors to achieve high efficiency and density operation by adding a small resonant inductor …
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Design of power delivery networks for noise suppression and isolation using power transmission lines
… to provide a low-impedance path between the voltage regulator module (VRM) and the integrated circuit (IC) on the printed circuit board (PCB). For off-chip signaling, charging and discharging signal transmission lines induce return currents on the power and ground planes. The return current …
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Continuous voltage-frequency scaling (CVFS)
Voltage reduction is an effective technique for minimizing energy consumption but suffers from delay penalty. Conventional methodologies require rigorous voltage regulation and workload scheduling to meet timing constraints. In this work, we observe that static CMOS is robust under low supply …
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An approach to controlling an active parallel interface between a transient energy source and a dc voltage bus
Made available in DSpace on 2011-01-14T22:45:16Z (GMT). No. of bitstreams: 3 Niemoeller_Benjamin.pdf: 5415802 bytes, checksum: b9fbded7b4e7cfbd9c253c64c9a6b1e2 (MD5) license.txt: 4069 bytes, checksum: 595b596e4eb73314f3447fa9e32a5425 (MD5) BAN Whole thesis rev16.doc: 16991232 bytes, checksum: …