拓扑选择

在设计电源电路时,输入电压、输出电压、功率、有无绝缘等因用途而异,因此需要选择符合要求规格的电路结构(拓扑)。此外,适合的部件选择因拓扑而异。如果选择了错误的部件,将无法满足要求的规格,并且必须重新进行电路设计。以下列出了各种拓扑适合的器件,所以在拓扑选择和适合拓扑组件的选择上可以作为参考,减少设计工时。

应用

function topology name vin vo applications
industry
power converter
(smps)
pv
inverter
ups on board
charger
for xev
xev charger
station
industry
motor drive
ac/dc boost pfc 85 - 265vac 400vdc       coming soon
interleaved boost pfc 85 - 265vac 400vdc    
totem-pole bridgeless pfc
(diode rectification)
85 - 265vac 400vdc    
totem-pole bridgeless pfc
(synchronous fets)
85 - 265vac 400vdc    
3-phase 2-level full bridge pfc 3phase
170 - 480vac
800vdc    
3-phase vienna pfc 3phase
170 - 480vac
800vdc    
3-phase npc type-t pfc 3phase
170 - 480vac
800vdc        
dc/dc boost converter 150 - 350vdc 400vdc        
bidirectional buck-boost converter 400vdc 30 - 100vdc      
dual buck-boost converter 600 - 1500vdc 800vdc      
bipolar boost converter 400 - 600vdc 800vdc      
3-level flying capitor booster 400vdc 400 - 600vdc        
llc converter
(half bridge, diode bridge)
400vdc 400vdc        
llc converter
(full bridge, diode rectification)
400vdc 12 - 48vdc        
llc converter
(full bridge, synchronous fets)
400vdc 12 - 48vdc        
llc converter
(full bridge, diode bridge)
400vdc 400vdc      
phase shifted full bridge converte
(diode rectification)
400vdc 12 - 48vdc        
phase-shifted full bridge converter
(synchronous fets)
400vdc 12 - 48vdc        
dual active bridge
(dab)
400vdc 400vdc  
dc/ac full bridge inverter
(1-phase application)
400vdc 85-265vac      
heric inverter
(1-phase application)
400vdc 85-265vac      
3-level npc type-i inverter
(3-phase application)
800vdc 3phase
170 - 480vac
     
3-level npc type-t inverter
(3phase application)
800vdc 3phase
170 - 480vac
     
2-level full bridge inverter
(3-phase application)
800vdc 3phase
170 - 480vac