ETD system

Electronic theses and dissertations repository

 

Tesi etd-01182016-012449


Thesis type
Tesi di laurea magistrale
Author
BENVENUTI, MARTINA
URN
etd-01182016-012449
Title
System-level design tool for switched capacitor DC-DC energy scavenging converters
Struttura
INGEGNERIA DELL'INFORMAZIONE
Corso di studi
INGEGNERIA ELETTRONICA
Commissione
relatore Prof. Iannaccone, Giuseppe
relatore Prof. Bruschi, Paolo
tutor Ing. Dalena, Francesco
Parole chiave
  • design tool
  • dc-dc converters
  • switched capacitor converters
  • energy harvesting
  • high efficiency
  • nano-power
  • low voltage
Data inizio appello
26/02/2016;
Consultabilità
completa
Riassunto analitico
This thesis deals with the system modelling and design of a Switched Capac-<br>itor DC-DC (SC DC-DC) nano-power converter in Complementary Metal Oxide<br>Semiconductor (CMOS) technology for energy harvesting applications.<br>First of all, after a critical evaluation on the whole Integrated Circuit (IC)<br>system structure, a Python script has been created in order to accurately analyse<br>any system analytical behaviours before instantiating and running the Cadence<br>usual simulations.<br>The code is an upgrade with respect to a pre-existing one ([1]): several com-<br>parisons are listed and explained to show the diff erences between the two, as well<br>as stressing on our new dedicated features.<br>In order to validate the model on the code, then, a feasibility study has been<br>performed with a 180 nm United Microelectronics Corporation (UMC) technol-<br>ogy process in the Cadence Virtuoso design suite. Good results let us state its<br>reliability in being used both for the most of SC DC-DC architectures pre-design<br>analysis and post-design veri fication: a full design space exploration shows how<br>to use the script.<br>Finally, the SC DC-DC circuit D for bluetooth applications that we present<br>uses the Taiwan Semiconductor Manufacturing Company (TSMC) 55 nm technol-<br>ogy process and its design has been mostly realized by Luca Intaschi, during his<br>PhD, and Francesco Dalena from Dialog Semiconductor in Livorno. The circuit<br>D converter is meant to be part of a sensor node (that needs to survive in total<br>absence of battery recharge) supplied by a Thermo Electric Generator (TEG)<br>which guarantees a very low input voltage to the system of about 0.2 -
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