PMIC - PFC (Power Factor Correction)

Category Introduction

Power Factor Correction (PFC) is a semiconductor device designed to align the phase angle to approach zero between the voltage and current in an AC circuit. The different modes are average current, boundary conduction, continuous conduction, critical conduction, current controlled frequency foldback, discontinuous, and discontinuous conduction with a frequency switching of adjustable and 6kHz to 1.7MHz.

Product List

177 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Mode	Frequency - Switching	Current - Startup	Voltage - Supply	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
FAN9611MX IC PFC CTRLR BCM 525KHZ 16SOIC onsemi	96	$2.79	Sync-Lock™	Tape & Reel (TR)	Active	Boundary Conduction (BCM)	16.5kHz ~ 525kHz	80 µA	9V ~ 18V	-40°C ~ 125°C	Surface Mount	16-SOIC (0.154", 3.90mm Width)	16-SOIC
MC33262DR2G IC PFC CTRLR CRM 8SOIC onsemi	671	$1.27		Tape & Reel (TR)	Not For New Designs	Critical Conduction (CRM)	-	250 µA	12V ~ 28V	-40°C ~ 105°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
ICE2PCS02GXUMA1 IC PFC CTRLR CCM 65KHZ 8DSO Infineon Technologies	598	$1.45		Tape & Reel (TR)	Active	Continuous Conduction (CCM)	65kHz	450 µA	11V ~ 25V	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	PG-DSO-8
MC33262PG IC PFC CTRLR CRM 8DIP onsemi	258	$1.23		Tube	Not For New Designs	Critical Conduction (CRM)	-	250 µA	12V ~ 28V	-40°C ~ 105°C	Through Hole	8-DIP (0.300", 7.62mm)	8-PDIP
FAN4800AUN IC PFC CTR AV CURR 268KHZ 16DIP onsemi	367	$1.40		Tube	Active	Average Current	240kHz ~ 268kHz	30 µA	11V ~ 22V	-40°C ~ 105°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
L4984DTR IC PFC CTRLR CCM 10SSOP STMicroelectronics	37	$2.73		Tape & Reel (TR)	Active	Continuous Conduction (CCM)	-	65 µA	10.3V ~ 22.5V	-40°C ~ 150°C	Surface Mount	10-SOP (0.154", 3.90mm Width)	10-SSOP
L6561 IC PFC CTRLR TRANSITION 8DIP STMicroelectronics	85	$1.65		Tube	Not For New Designs	Discontinuous (Transition)	-	50 µA	11V ~ 18V	-25°C ~ 125°C	Through Hole	8-DIP (0.300", 7.62mm)	8-DIP
UC3854N IC PFC CTR AV CURR 200KHZ 16DIP Texas Instruments	189	$4.54		Tube	Active	Average Current	200kHz	1.5 mA	14.5V ~ 30V	0°C ~ 70°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
L4981AD IC PFC CTR AVER CURR 100KHZ 20SO STMicroelectronics	40	$4.67		Tube	Active	Average Current	100kHz	100 µA	14.5V ~ 19.5V	-40°C ~ 125°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SO
UCC2818AD IC PFC CTR AVERAGE 220KHZ 16SOIC Texas Instruments	34	$4.70		Tube	Active	Average Current	6kHz ~ 220kHz	150 µA	12V ~ 17V	-40°C ~ 85°C	Surface Mount	16-SOIC (0.154", 3.90mm Width)	16-SOIC
UC3854AN IC PFC CTR AV CURR 200KHZ 16DIP Texas Instruments	49	$5.71		Tube	Active	Average Current	200kHz	250 µA	10V ~ 20V	0°C ~ 70°C	Through Hole	16-DIP (0.300", 7.62mm)	16-PDIP
UCC28513DW IC PFC CTR AVERAGE 200KHZ 20SOIC Texas Instruments	130	$5.71		Tube	Active	Average Current	200kHz	100 µA	9.7V ~ 18V	-40°C ~ 105°C	Surface Mount	20-SOIC (0.295", 7.50mm Width)	20-SOIC
NCL2801CFADR2G IC PFC CTRLR CRM/DCM 8SOIC onsemi	927	$0.94		Tape & Reel (TR)	Active	Critical Conduction (CRM), Discontinuous Conduction (DCM)	-	10 µA	10.5V ~ 27V	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCP1654BD133R2G IC PFC CTRLR CCM 146KHZ 8SOIC onsemi	362	$1.42		Tape & Reel (TR)	Active	Continuous Conduction (CCM)	120kHz ~ 146kHz	75 µA	9V ~ 20V	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCP1937B1DR2G IC PFC CTRLR CRM 20SOIC onsemi	69	$2.12		Tape & Reel (TR)	Active	Critical Conduction (CRM)	-	20 mA	9V ~ 30V	-40°C ~ 125°C	Surface Mount	20-LSOP (0.154", 3.90mm Width), 17 Leads	20-SOIC
NCL2801CDADR2G IC PFC CTRLR CRM/DCM 8SOIC onsemi	191	$0.93		Tape & Reel (TR)	Active	Critical Conduction (CRM), Discontinuous Conduction (DCM)	-	10 µA	10.5V ~ 27V	-40°C ~ 125°C (TJ)	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCP1612A3DR2G IC PFC CTRLR CCFF/CRM 10SOIC onsemi	164	$1.14		Tape & Reel (TR)	Active	Current Controlled Frequency Foldback (CCFF), Critical Conduction (CRM)	-	20 µA	9.5V ~ 35V	-40°C ~ 125°C	Surface Mount	10-SOP (0.154", 3.90mm Width)	10-SOIC
NCP1618ADR2G HIGH-VOLTAGE, MULTIMODE POWER FA onsemi	104	$1.31		Tape & Reel (TR)	Active	Continuous Conduction (CCM)	65kHz	1 mA	9.5V ~ 35V	-40°C ~ 125°C (TJ)	Surface Mount	10-SOP (0.154", 3.90mm Width), 9 Leads	9-SOIC
NCP1607BDR2G IC PFC CTRLR CRM 8SOIC onsemi	1,066	$0.79		Tape & Reel (TR)	Not For New Designs	Critical Conduction (CRM)	-	23.5 µA	9.5V ~ 20V	-40°C ~ 125°C	Surface Mount	8-SOIC (0.154", 3.90mm Width)	8-SOIC
NCP1602DCCSNT1G IC PFC CTRLR CRM 6TSOP onsemi	256	$1.02		Tape & Reel (TR)	Not For New Designs	Critical Conduction (CRM)	-	480 µA	9.5V ~ 30V	-40°C ~ 125°C	Surface Mount	SOT-23-6 Thin, TSOT-23-6	6-TSOP

About Power Factor Correction (PFC) PMICs

What are Power Factor Correction (PFC) PMICs?

Power Factor Correction (PFC) PMICs

Power Factor Correction (PFC) PMICs are specialized integrated circuits designed to improve the power factor of electrical systems. The power factor is a measure of how effectively electrical power is converted into useful work output. PFC PMICs work by adjusting the phase difference between voltage and current, thereby minimizing the reactive power in the system. This is achieved through active or passive correction methods, which involve the use of inductors, capacitors, and control algorithms to align the current waveform with the voltage waveform. By improving the power factor, PFC PMICs enhance energy efficiency, reduce energy losses, and lower electricity costs.

Types of Power Factor Correction (PFC) PMICs

Active PFC PMICs

Active PFC PMICs use electronic circuits to control the input current waveform actively. They are characterized by their ability to provide high power factor correction, typically achieving values close to unity. These PMICs are suitable for applications requiring precise control and high efficiency, such as in computing and telecommunications equipment.

Passive PFC PMICs

Passive PFC PMICs utilize passive components like inductors and capacitors to correct the power factor. They are simpler and more cost-effective than active PFC solutions but offer lower correction levels. Passive PFC PMICs are often used in applications where cost is a critical factor and where moderate power factor improvement is sufficient, such as in household appliances.

Digital PFC PMICs

Digital PFC PMICs incorporate digital control techniques to optimize power factor correction. They offer flexibility and adaptability, allowing for real-time adjustments and monitoring. These PMICs are ideal for applications that require dynamic power management and integration with digital systems, such as in smart grids and renewable energy systems.

How to choose Power Factor Correction (PFC) PMICs?

When selecting PFC PMICs, several key parameters should be considered:

Power Rating: Ensure the PMIC can handle the power levels required by your application.
Efficiency: Look for PMICs with high efficiency to minimize energy losses.
Correction Level: Choose between active, passive, or digital PFC based on the desired power factor correction level.
Cost: Balance the cost with the performance requirements of your application.
Compatibility: Ensure the PMIC is compatible with your existing system architecture.

Evaluating product quality and reliability involves checking supplier certifications, customer reviews, and testing reports. Consider environmental factors such as temperature range and humidity, and ensure the PMIC meets installation requirements, including size and mounting options.

Applications of Power Factor Correction (PFC) PMICs

Industrial Automation

In industrial automation, PFC PMICs are used to enhance the efficiency of motor drives and control systems. They help reduce energy consumption and improve the reliability of automated processes, leading to cost savings and increased productivity.

Consumer Electronics

In consumer electronics, PFC PMICs are integrated into power supplies for devices like televisions, computers, and gaming consoles. They ensure efficient power usage, reduce heat generation, and extend the lifespan of electronic components.

Telecommunications

Telecommunications infrastructure relies on PFC PMICs to maintain efficient power distribution across networks. They help in reducing power losses and ensuring stable operation of communication equipment, which is critical for maintaining service quality.

Renewable Energy Systems

PFC PMICs play a crucial role in renewable energy systems, such as solar and wind power installations. They optimize the power factor of inverters and converters, ensuring maximum energy conversion efficiency and reducing grid disturbances.

Data Centers

In data centers, PFC PMICs are essential for managing the power supply to servers and storage systems. They help in reducing energy costs, improving power quality, and ensuring the reliability of critical IT infrastructure.