The Full Digital Control based Switched Mode Power Supply

The Full Digital Control based Switched Mode Power Supply

A switched mode power supply (SMPS) with full digital control has many advantages over analog or mixed-signal implementation. This paper presents a digital controlled SMPS consisting of an AC-DC power factor correction converter and a phase-shifted full-bridge DC-DC converter. Digital algorithm of P...

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Hauptverfasser: Xin Xhen, ChunYing Gong, HuiZheng Wang, Wu, C., Hutchings, W.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Analog-digital conversion
Bridges
Control systems
DC-DC power converters
Digital control
Power factor correction
Prototypes
Pulse width modulation
Switched-mode power supply
Testing
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Beschreibung
Zusammenfassung:A switched mode power supply (SMPS) with full digital control has many advantages over analog or mixed-signal implementation. This paper presents a digital controlled SMPS consisting of an AC-DC power factor correction converter and a phase-shifted full-bridge DC-DC converter. Digital algorithm of PFC control, system design of digital PFC and PSFB (phase shifted full bridge) part, PWM strategy for phase-shifted control are discussed. A 500 W prototype has been built and tested under different conditions
ISSN:1093-5142
DOI:10.1109/COMPEL.2006.305639