Corpus ID: 11842152

Design of a DC/DC buck converter for ultra-low power applications in 65nm CMOS Process

@inproceedings{Safari2012DesignOA,
  title={Design of a DC/DC buck converter for ultra-low power applications in 65nm CMOS Process},
  author={N. Safari},
  year={2012}
}
Switching mode DC/DC converters are critical building blocks in portable devices and hence their power efficiency, accuracy and cost are a major issue. The primary focus of this thesis is to address these critical issues.This thesis focuses on the different methods of feedback control loop which are employed in the switching mode DC/DC converters such as voltage mode control and current mode control. It also discusses about the structure of buck converter and tries to find an efficient solution… Expand
Four transistor comparator based PWM for DC-DC Converters
  • Gopika Gopinath E, A. Gubbi
  • Computer Science
  • 2015 1st International Conference on Next Generation Computing Technologies (NGCT)
  • 2015
TLDR
The design of a Four-transistor comparator and the PWM is done using 180nm conventional CMOS Technology in Cadence Virtuoso tool to reduce the area and the power consumption in the DC-DC Converters. Expand
A 27 mV output ripple 92% efficiency buck converter using a multi-bit delta-sigma modulator controller and segmented output switch in 180 nm CMOS
In this paper, a DC-DC buck converter using a multi-bit (two-bits) delta-sigma modulator to control segmented output switches of the converter is proposed to enhance its efficiency and improve itsExpand
On Analysis of On-chip DC-DC Converters for Power Delivery Networks
TLDR
The reliability of PDNs depends on the DC-DC converter design and its efficiency, and various switching scenarios are analyzed for multiple voltage distributions on circuits of different sizes to explore the benefits and costs of on-chip DC- DC conversion. Expand
Design of high frequency transformer for switch mode power supply
A power supply is an essential one of all other electronic devices. A switching mode power supply is a light weight power solution for most modern electronic equipment. The high frequency transformerExpand
Power Management Circuits for Front-End ASICs Employed in High Energy Physics Applications
TLDR
This thesis explores circuit design techniques towards radiation tolerant power management integrated circuits, targeting applications on particle detectors and monitoring of accelerator-based experiments, aerospace and nuclear applications. Expand
Microcontroller based design of rectifier for chemical surface treatment
The purpose of this paper is to design a controlled IGBT rectifier which produces a pure DC current used in chemical surface treatment of metal. During the chemical treatment process, the loadExpand
Projecto e implementação de uma fonte de alta tensão para produção de descargas eléctricas
The aim of this thesis was to design, build and test a prototype of a high voltage power supply. To manufacture long period fiber grating (LPG) in the so called turning points, this power supply mustExpand
Design and Simulate an Off-Grid PV System with a Battery Bank for EV Charging
This paper presents the control and design of a stand-alone photovoltaic (PV) system with a battery bank for an electric vehicle (EV) battery charging. It also describes the necessary requirementsExpand
Hybrid Fuel Cell – Battery Powered System for Long Duration Flight
TLDR
Simulation results showed that a hybrid combination of hydrogen fuel cells and Lithium-ion batteries can fulfill the requirements of a long endurance UAV power source and verified the capability of the designed system to maintain the output voltage constant under sudden changes in the loads. Expand
An Adaptive Self-powered Piezoelectric Energy Harvesting Circuit and Its Application on Bridge Condition Monitoring
The abundant mechanical vibration energy in bridge road environment can be converted into electric energy by using the piezoelectric energy harvest technology, which could be an efficient way toExpand
...
1
2
...

References

SHOWING 1-10 OF 37 REFERENCES
Design of a 20 MHz DC-DC Buck Converter with 84 Percent Efficiency for Portable Applications
TLDR
A high gain, wide-band error amplifier topology with reduced current consumption, improves various dynamic performance parameters such as settling time, load and line regulations of the converter. Expand
Buck converter for low power applications
Buck converter for low power applications is designed and investigated on standard 0.35-mum CMOS process. The blocks of the system, including bandgap reference, ramp generator, error amplifier,Expand
High voltage tolerant integrated Buck converter in 65nm 2.5V CMOS
TLDR
An integrated DC-DC (Buck) converter is presented, implemented in TSMC 65nm CMOS technology and it occupies 0.15mm2 while the LDO regulator, bandgap, clock generator and bias circuits occupy 0.19mm2. Expand
A CMOS Current-mode DC-DC converter with input and output voltage-independent stability and frequency characteristics utilizing a quadratic slope compensation scheme
A CMOS Current-mode DC-DC converter using a quadratic slope compensation scheme is presented. The use of a quadratic slope instead of a conventional linear slope makes a damping factor and aExpand
An Introduction to Switch-Mode Power Supplies
  • 2012
Switch-mode power supplies are a popular and sometimes necessary choice for DC-DC power conversion. These circuits offer distinct benefits and tradeoffs when compared to alternative methods ofExpand
A high efficiency, soft switching DC-DC converter with adaptive current-ripple control for portable applications
  • S. Zhou, G. Rincón-Mora
  • Engineering, Computer Science
  • IEEE Transactions on Circuits and Systems II: Express Briefs
  • 2006
TLDR
The battery life in a typical digital signal processing microprocessor application is improved by 7%, which demonstrates the effectiveness of the proposed solution. Expand
A fully integrated wide-band PID controller with capacitor-less compensation for step-down DC-DC converter
TLDR
A fully integrated wide-band PID controller is implemented for a buck DC-DC converter operating in voltage mode and a novel compensator is proposed utilizing AC ripple current of the inductor. Expand
Power Electronics: Converters, Applications and Design
Partial table of contents: Overview of Power Semiconductor Switches. Computer Simulation of Power Electronic Converters and Systems. GENERIC POWER ELECTRONIC CIRCUITS. dc--dc Switch-Mode Converters.Expand
Modeling and Simulation of Dual-Mode DC/DC Buck Converter
  • Zhuo Bi, W. Xia
  • Physics
  • 2010 Second International Conference on Computer Modeling and Simulation
  • 2010
A dual-mode DC/DC buck converter is presented in this paper. The converter operation includes the soft start, sawtooth oscillator, zero-current detector and PWM/PFM detector. According to theExpand
A Low-Power Mixed-Signal Current-Mode DC-DC Converter Using a One-Bit ∆Σ DAC
This work describes a novel dual-mode mixedsignal peak current-mode controller for high-frequency DCDC converters. The simple controller provides peak-current protection, inherent low audioExpand
...
1
2
3
4
...