Product category:
Power Supply ICs and Controllers
News Release from: Fairchild Semiconductor | Subject: PFC-SPM FSAB20PH60
Edited by the Electronicstalk Editorial
Team on 10 August 2005
Compact power module promises PFC
compliance
A new smart power module uses a partial power factor correction switching convertor circuit topology, and is ideal for 1-3kW air conditioners.
Fairchild Semiconductor has developed the industry's first power factor correction (PFC) smart power module (SPM) to implement the partial power factor correction switching convertor (PSC) circuit topology, which is ideal for 1-3kW air conditioners By triggering the 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
This article was originally published on Electronicstalk on 28 Feb 2001 at 8.00am (UK)
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Compared with alternative "discrete" solutions, Fairchild's PFC-SPM enables simpler designs by combining four rectifier diodes, two IGBTs, a gate-driving IC and a thermistor in a single, thermally efficient module.
The device's compact (44 x 26.8mm) 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 heatsink - thus simplifying designs, speeding assembly and improving overall system reliability.
"The partial switching method is very popular in 1-3kW air conditioners".
"However, utilising discrete components - the only currently viable alternative to the new PFC-SPM - requires more assembly time and the required additional heatsink complicates and encumbers the design process", said Taehoon Kim, Vice President of Fairchild's High Power product line.
"Combining our new PFC-SPM with our Motion-SPM provides our customers with a highly cost-effective solution for improving design productivity and ultimately, the dependability of their products".
The PFC-SPM's application benefits include: very low thermal resistance with the aid of the DBC substrate; low acoustic noise due to an optimised gate-driving IC; isolation voltage rating of 2500V RMS; and increased system reliability provided by the gate-driving IC's undervoltage and overcurrent protection.
In addition to the PFC-SPM, Fairchild's comprehensive portfolio of power modules covers the full range of consumer appliance applications from 50W to 3kW.
Offering both integrated and nonintegrated solutions to meet the full range of OEM requirements, each specific solution exemplifies the company's proven design, manufacturing and packaging expertise.
The PFC-SPM comes in a lead (Pb)-free Mini-DIP package.
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