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 |
indutry motor drive |
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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 |
✓ | ✓ |