High rectifier output voltages with printed organic charge pump circuit

P. Heljo (Corresponding Author), K.E. Lilja, Himadri Majumdar, D. Lupo

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

Abstract

It is known that in many wireless organic electronic applications the required supply voltage is higher than the accessible signal amplitude. Therefore, voltage multiplier circuits are needed in many cases. We report a gravure printed organic charge pump circuit operating at 13.56 MHz suitable for rectified voltage amplification in printed electronic devices. The circuit, consisting of four diodes and four capacitors, has been monolithically printed using only high volume production compatible manufacturing methods. With 10 V AC input the output of the circuit at 13.56 MHz is 8.4 V and 11.8 V using 1 MΩ and 10 MΩ output loads, respectively. At 13.56 MHz the output voltage of the charge pump is three times higher than the output of a half-wave rectifier. The results demonstrate the possibility to print efficient high frequency (HF) charge pump circuits to meet the supply voltage requirements of the printed electronic applications.
Original languageEnglish
Pages (from-to)306-310
Number of pages5
JournalOrganic Electronics
Volume15
Issue number1
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Keywords

  • charge pump
  • gravure printing
  • organic diode
  • printed capacitor

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