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.
Description:
The LTC®4366 surge stopper protects loads from high
voltage transients. By controlling the gate of an external N-channel MOSFET, the LTC4366 regulates the output during an overvoltage transient.
Description:
The Infineon ICL5101 integrates a half-bridge controller with
a PFC stage in a single package. The integration of high and low side drivers reduces the number of required components and simplifies design, enabling use in small form factor designs.
Description:
The HVLED007 is a current-mode PFC controller specific
for isolated high power factor, flyback converters operated in transition mode (aka quasi-resonant operation).
Description:
The FPAB30BH60B is an advanced PFC SPM® 3
module providing a fully-featured, high-performance Boost PFC (Power Factor Correction) input power stage for consumer, medical, and industrial applications.
