Power Factor Correction

Power factor correction ICs (integrated circuits) are devices designed to improve the efficiency of an electronic circuit that contain other devices with lower power factor. Power factor is the measurement of the efficiency of input power. Power factor correction (PFC) is designed to improve the power quality by improving this efficiency. They feature capacitors or inductors which are used to counteract the inefficiencies of motors and machines.

How is it power factor calculated?

Power factor is the Real Power minus Reactive Power. Real power is the power required to carry out the task. Reactive power is the excess power that is used, but is not required by the task. The goal is for power factor to be 100% in its efficiency, or 1pf. Power factor can be calculated by Active (or true) power divided by Apparent power. Reactive operates at a right angle to True power.

Why use power factor correction ICs?

Power factor correction can be used in many applications to help financially. This is achieved through reducing power consumption or reducing the unnecessary Reactive Power.

Where is PFC used?

  • Computers
  • Power supplies
  • Lighting
  • Induction welders
  • Electrical motors

...
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Description Price Maximum Switching Frequency Start-up Supply Current IC Type Maximum Source Current Maximum Sink Current Maximum Supply Current Zero Power Detection Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Supply Voltage
RS Stock No. 753-3223
Mfr. Part No.TDA48632GXUMA2
BrandInfineon
£0.924
Each (In a Pack of 5)
Units
- 100µA Power Factor Controller -6mA 30mA 20 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 22 V
RS Stock No. 919-8819
Mfr. Part No.TDA48632GXUMA2
BrandInfineon
£0.417
Each (On a Reel of 2500)
Units
- 100µA Power Factor Controller -6mA 30mA 20 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 22 V
RS Stock No. 165-5740
Mfr. Part No.IR1155STRPBF
BrandInfineon
£0.786
Each (On a Reel of 2500)
Units
200 kHz 175µA Power Factor Controller 90µA -20µA 13 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 19 V
RS Stock No. 831-2718
Mfr. Part No.IR1155STRPBF
BrandInfineon
£1.54
Each (In a Pack of 2)
Units
200 kHz 175µA Power Factor Controller 90µA -20µA 13 mA - Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 19 V
RS Stock No. 110-7782
Mfr. Part No.ICE3PCS01GXUMA1
BrandInfineon
£1.312
Each (In a Pack of 10)
Units
250 kHz 2.4mA Power Factor Controller -6mA - - - Surface Mount DSO 14 8.75 x 4 x 1.5mm 1.5mm 8.75mm 25 V
RS Stock No. 166-0821
Mfr. Part No.ICE3PCS01GXUMA1
BrandInfineon
£0.759
Each (On a Reel of 2500)
Units
250 kHz 2.4mA Power Factor Controller -6mA - - - Surface Mount DSO 14 8.75 x 4 x 1.5mm 1.5mm 8.75mm 25 V
RS Stock No. 165-5273
Mfr. Part No.IRS2505LTRPBF
BrandInfineon
£0.237
Each (On a Reel of 3000)
Units
- 60µA - - 450mA 25 mA Yes Surface Mount SOT-23 5 3 x 1.75 x 1.3mm 1.3mm 3mm 21.8 V