Sensorless current-mode control of a digital dead-beat dc-dc converter

Anthony Kelly, Karl Rinne

Research output: Contribution to conferencePaperpeer-review

Abstract

A digital current-mode controller for dc-dc converters is introduced. The current-mode loop is sensorless, relying on constants and internal loop states; removing the need to sense controlled voltages or currents for the inner loop. Furthermore, a fast current-mode control mechanism is implemented by utilizing dead-beat control. The resulting controller is robust and surprisingly uncomplicated. It is well suited to VLSI integration in a low geometry process. An interesting aspect of this control scheme is that it facilitates the application of a low resolution PWM.

Original languageEnglish
Pages1790-1795
Number of pages6
DOIs
Publication statusPublished - 2004
Event19th Annual IEEE Applied Power Electronics Conference and Exposition - APEC 2004 - Anaheim, CA., United States
Duration: 22 Feb 200426 Feb 2004

Conference

Conference19th Annual IEEE Applied Power Electronics Conference and Exposition - APEC 2004
Country/TerritoryUnited States
CityAnaheim, CA.
Period22/02/0426/02/04

Keywords

  • Current mode control
  • dc-dc conversion
  • Digital control
  • Pulse width modulation
  • Sensorless

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