Universal pulse width modulated zero voltage transition switching cell
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 25, 2002
Grant Date -
Jan 3, 2002
app pub date -
Jan 29, 2001
filing date -
Jun 5, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal zero voltage transition switching cell using a small choke, a pair of switches, and a capacitor is revealed. The application of the universal zero voltage transition switching cell to any of a wide variety of hard switching pulse width modulated power converter topologies yields identical power converters with zero voltage switching properties, without the requirement that the magnetizing current in the main power choke be reversed during each switching cycle. In the subject invention the energy required to drive the critical zero voltage switching transition is provided by the small choke that forms part of the universal zero voltage transition switching cell. The application of the universal zero voltage transition switching cell to buck, boost, buck boost, Cuk, Wittenbreder, flyback, forward, and SEPIC converters is shown. A variation of the universal zero voltage transition switching cell which adds a single diode to clamp ringing associated with the parasitic capacitance of off switches is also revealed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully