POWER CONVERTER TOPOLOGY TRENDS - PSMA

Name: Steve Mappus Systems Engineer Date: October 02, 2014 The POWER to Amaze. POWER CONVERTER TOPOLOGY TRENDS , 2 Agenda TOPOLOGY Overview Non Isolated Topologies Isolated DC-DC Derivatives single ended Topologies Transformer Reset Techniques Flyback CONVERTER Forward CONVERTER Double ended Topologies push pull Half Bridge Full Bridge Summary 3 DOUBLE-ENDEDSINGLE-ENDEDACTIVE CLAMP2-SWITCHPUSH-PULLHALF BRIDGEFULL BRIDGELOW POWER (< 100 W)MID- POWER (100 W - 500 W)HIGH- POWER (> 500 W)HARD SWITCHEDZVT/PHASE SHIFTNON-ISOLATEDISOLATEDDVViO=DVViO =11 FORWARDDDVViO =1 single -ENDEDFLYBACKBOOSTBUCK-BOOSTBUCKAC TIVE CLAMP2-SWITCHLLCI solated POWER TOPOLOGY Derivatives 8 Mainstream CONVERTER Topologies Non-Isolated Isolated Bridge Bridge POWER levels numbers for general discussion only. Exceptions aplenty. 4 Other Topologies? Numerous Variations Exist Sepic Cuk Current Fed Buck Tapped Inductors Multiple Outputs Interleaving More?

single-ended double-ended active clamp 2-switch push-pull half bridge full bridge low power (< 100 w) mid-power (100 w - 500 w) high-power (> 500 w) hard switched zvt/phase shift non-isolated isolated. d v v. i o = v. d v. i o. − = 1 1. forward. d d v v. i o. − =− 1. single-ended flyback boost buck-boost buck active clamp 2-switch llc ...

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  Single, Ended, Push, Pull

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