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Showing 1 to 1 of 1 for “"ZCD Delay"”.
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Study on Zero Crossing Detection in CRM Totem-pole PFC Converter
… high efficiency. Zero-crossing detection (ZCD) of inductor current is important for CRM/TCM operation. The ZCD signal helps synchronize the gate signals and turn off the synchronous switch at the appropriate current to achieve ZVS. A sensing resistor is typically used in conjunction with an …