Corpus ID: 11842152

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

  title={Design of a DC/DC buck converter for ultra-low power applications in 65nm CMOS Process},
  author={N. Safari},
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
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
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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
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
The battery life in a typical digital signal processing microprocessor application is improved by 7%, which demonstrates the effectiveness of the proposed solution. Expand
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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
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  • 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
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