Review of charge pump topologies for micro energy harvesting systems

Research output: Contribution to journalReview article

3 Citations (Scopus)

Abstract

This paper reviews CMOS based charge pump topologies used within autonomous embedded micro-systems. These charge pump structures have evolved from its simplistic diode-tied, single-branches with major threshold drops to exponential type, dual-branches with sophisticated gate and substrate control for lower voltage operation. Published charge pumps are grouped based on architecture, operation principles and pump optimization techniques with their pros and cons compared and results contrasted. The various charge pump topologies and schemes used are considered based on pumping efficiency, power efficiency, charge transferability, circuit complexity, pumping capacitors, form factor and minimum supply voltages with an optimum load. This article concludes with an overview of suitable techniques and recommendations that will aid a designer in selecting the most suitable charge pump topology especially for low ambient micro energy harvesting applications.

Original languageEnglish
Pages (from-to)628-645
Number of pages18
JournalAmerican Journal of Applied Sciences
Volume13
Issue number5
DOIs
Publication statusPublished - 26 May 2016

Fingerprint

Energy harvesting
Topology
Pumps
Electric potential
Diodes
Capacitors
Networks (circuits)
Substrates

Keywords

  • Charge pump (CP)
  • Energy harvesting
  • Low voltage (LV)

ASJC Scopus subject areas

  • General

Cite this

Review of charge pump topologies for micro energy harvesting systems. / Mi, Michelle Lim Sern; Islam, Md. Shabiul; Sampe, Jahariah; Md Ali, Sawal Hamid.

In: American Journal of Applied Sciences, Vol. 13, No. 5, 26.05.2016, p. 628-645.

Research output: Contribution to journalReview article

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