
PMIC - PFC (Power Factor Correction)
PMIC - PFC (Power Factor Correction) - Product Category Overview
1. Definition of PMIC - PFC (Power Factor Correction)
PMIC - PFC (Power Factor Correction) refers to a specialized category of Power Management Integrated Circuits (PMICs) designed to improve the power factor in electronic systems. Power Factor Correction ensures efficient energy usage by aligning the phase relationship between voltage and current, reducing reactive power, and minimizing harmonic distortion. These ICs are critical in applications where high power efficiency and compliance with energy regulations (such as IEC 61000-3-2) are required.
2. Types of PMIC - PFC Products
PMIC - PFC solutions are available in various configurations to suit different power management needs:
- Active PFC ICs: Utilize switching techniques to dynamically correct power factor, commonly used in AC-DC converters, industrial equipment, and high-power applications.
- Passive PFC ICs: Employ passive components (inductors, capacitors) for simpler, cost-effective correction in lower-power systems.
- Digital PFC Controllers: Incorporate programmable control algorithms for adaptive power factor optimization in advanced power supplies.
- Integrated PFC + PWM Combos: Combine PFC with pulse-width modulation (PWM) for compact, high-efficiency designs in consumer electronics and server PSUs.
3. Key Considerations When Purchasing PMIC - PFC ICs
To select the right PFC solution for your application, evaluate the following:
- Efficiency Targets: Look for high power factor (>0.95) and low THD (Total Harmonic Distortion) ratings.
- Topology Compatibility: Match the IC (e.g., boost, buck-boost) to your system s voltage/current requirements.
- Regulatory Compliance: Ensure adherence to standards like ENERGY STAR, 80 PLUS, or EU CoC Tier-2.
- Thermal & Packaging: Consider thermal resistance (R JA) and package options (e.g., SOIC, QFN) for space-constrained designs.
- Design Support: Opt for vendors offering reference designs, simulation tools, and evaluation boards for faster prototyping.
By integrating PMIC - PFC solutions, engineers can enhance energy efficiency, reduce operational costs, and meet stringent environmental standards making them indispensable in modern power electronics.
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LT1248CS#PBF
IC PFC CTR AVERAGE 300KHZ 16SOIC
FAN4800CSMY
POWER FACTOR CONTROLLER WITH POS
UCC2819APWR
IC PFC CTRLR AVER 250KHZ 16TSSOP
NCP1680AAD1R2G
TOTEM POLE CRITICAL CONDUCTION M
MP44014GS-Z
IC PFC CTRLR BCM 8SOIC
ML4822CP
POWER FACTOR CONTROLLER
UCC28514DWR
IC PFC CTR AVERAGE 200KHZ 20SOIC
UC3854DW
IC PFC CTR AVERAGE 200KHZ 16SOIC
L4986B
CCM PFC CONTROLLER WITH HIGH VOL
NCP1622AEASNT1G
IC PFC CTRLR CRM 6TSOP
ML4831CP
POWER FACTOR CONTROLLER
PFS7629L
IC PFC CTRLR CCM 123KHZ ESIP-16G
FAN7930CMX-G
IC PFC CTRLR CRM 350KHZ 8SOP
NCP1618BDR2G
HIGH-VOLTAGE, MULTIMODE POWER FA
ML4827CP2
IC REG LIN POWER FACTOR CONTRLR
UCC3818N
IC PFC CTR AV CURR 220KHZ 16DIP
ML4802CP
IC REG LIN POWER FACTOR CONTRLR
LT8312IMS#PBF
POWER FACTOR CONTROLLER, CURRENT
ISL6731AFBZ-T
IC PFC CTRLR CCM 138KHZ 14SOIC
FAN4801SMY
POWER FACTOR CONTROLLER W/POST R