Cool converter
A power factor correction smart power module implements a partial power factor correction switching converter circuit topology.
has introduced what it claims is the industry’s first Power Factor Correction (PFC) Smart Power Module (SPM) to implement a Partial Power Factor Correction Switching Converter (PSC) circuit topology.
By triggering IGBTs at every half cycle of the line current, the PFC-SPM FSAB20PH60 provides 97% of power factor (typical) and full compliance with the mandatory PFC standard IEC61000-3-2, while offering better EMI characteristics than higher frequency switching topologies.
“The partial switching method is very popular in 1-3 kW air conditioners, however using discrete components - the only currently viable alternative to the new PFC-SPM - requires more assembly time and the required additional heat sink complicates the design process,” said Taehoon Kim, vice president of Fairchild’s High Power product line.
Fairchild’s PFC-SPM combines four rectifier diodes, two IGBTs, a gate-driving IC and a thermistor in a single module. The device’s 44 mm x 26.8 mm Direct Bonded Copper (DBC) substrate package is identical in size and configuration to Fairchild’s motor control (Motion-SPM) module. The two modules are designed to be mounted side-by-side to share a single heat sink.
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