User guide
8 of 41
v1.0
2021-03-05
5 kW two-channel interleaved CCM PFC EVAL board
IKW40N65WR5, IDW60C65D1 and 1ED44175 in high frequency PFC application
System and functional description
2
System and functional description
2.1
General overview
EVAL-PFC5KIKWWR5SYS is a referene design for 5 kW interleaved PFC for, but not limited to, floor-standing air
conditioners in major home appliances.
Figure 4
EVAL-PFC5KIKWWR5SYS board view
The EVAL-PFC5KIKWWR5SYS evaluation board design characteristics include:
Board performance:
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High power factor, PF>0.995
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Low THDi
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High efficiency
Control technology incorporated:
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CCM (continuous conduction mode) average current control
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Frequency-dithering for enhanced EMI reduction
Fault protection:
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Input undervoltage protection and overvoltage protection
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Output overvoltage protection
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Open-circuit protection on AC input and DC output
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Cycle-by-cycle peak current limiting
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Thermal shutdown for power semiconducters