PFC Controller
Flexibility & Cost Optimization
Robust Protection & Reliability
Superior EMI & Low THD Performance
High Efficiency & Multi-Mode Operation
PFC Controller
Our PFC controller can be used in the medium and low voltage range, dual-core microcontroller and DSP control, advanced and reliable software algorithm, and electromagnetic compatibility design. It can effectively and reasonably control the switching of parallel capacitor banks, improve power factor, reduce line losses, and improve voltage quality.
Key Features:
Active/Passive PFC Support: Boosts PF to near-unity (typically >0.95).
Wide Input Range: Compatible with 230V–690V, 50Hz/60Hz AC supplies.
High Efficiency: Reduces wasted energy and improves system performance.
Robust Protection: Overvoltage, overcurrent, and thermal safeguards.
Fast Dynamic Response: Ensures stability under varying loads.
Compact & Flexible: Supports vertical installation (-25°C to +55°C operation).
Applications of PFC Controller
1. Power Supplies & Converters
Used in AC/DC converters and SMPS (Switched-Mode Power Supplies) to improve efficiency and reduce harmonic distortion.
2. Industrial Automation
Ensures stable power in motor drives, PLCs, and servo systems by correcting the power factor in real time.
3. Renewable Energy Systems
Critical in solar inverters and wind power converters to meet grid compliance (e.g., IEEE 1547, IEC 61000-3-2).
4. Consumer Electronics
Enhances energy efficiency in LED drivers, PC power supplies, and home appliances.
5. Electric Vehicle (EV) Charging
Optimizes power factor in EV chargers to minimize grid impact and improve charging efficiency.
6. Data Centers & Telecom
Maintains high power quality in UPS systems and server power modules to prevent energy waste.
7. Lighting Systems
Used in high-intensity discharge (HID) lamps and smart lighting controls for better power management.
PFC Controller Technical Specifications
|
Category |
Parameter |
Specification |
|
Electrical Input |
Sampling Voltage |
100V (medium voltage), 380V (low voltage), customizable |
|
Operating Voltage |
90–550V AC, 45–65Hz, 5VA |
|
|
AC Current Sampling |
5A / 1A |
|
|
Outputs |
Maximum Output Channels |
12 channels |
|
Passive Contact Capacity |
250V AC, 5A |
|
|
Active Output Parameters |
12V DC, 50mA |
|
|
Alarm Output Contact Capacity |
250V AC, 5A |
|
|
Number of Output Relays |
6 or 12 |
|
|
Rated Output |
250V AC / 5A |
|
|
Measurement & Control |
Measuring Voltage |
90–550V AC |
|
Measuring Current |
15mA – 6A |
|
|
Adjustable Transformer Ratio |
1–9600 |
|
|
Switching Delay Time |
1–6500 seconds |
|
|
Environmental |
Ambient Temperature (Operation) |
-25°C to +50°C (standard), -20°C to +70°C (extended) |
|
Storage Temperature |
-40°C to +85°C |
|
|
Altitude |
≤2500m above sea level |
|
|
Relative Humidity |
≤90% (non-condensing) |
|
|
User Interface |
Display |
LCD |
|
User Interface |
Rubber buttons |
|
|
Mechanical |
Terminal |
Multifunctional contact plug (2.5 mm²) |
|
Fuse |
Externally installed |
|
|
Installation Method |
Vertical |
|
|
Protection |
Protection Level (IP Rating) |
IP20 |
|
Special Features |
Temperature Measurement |
NTC (Negative Temperature Coefficient) |
Why Choose LTEC's PFC Controller?
LTEC – Powering Your Systems with Innovation!
High Efficiency & Multi-Mode Operation
Supports CCM (Continuous Conduction Mode), CRM (Critical Conduction Mode), and DCM (Discontinuous Conduction Mode) for adaptive efficiency optimization across load conditions, similar to advanced controllers like FAN6631.
Achieves >93.5% conversion efficiency in applications like LED drivers and AC/DC adapters.
Low THD & Superior EMI Performance
Integrates active bridge driving and X-Cap discharge to reduce input rectification losses and harmonic distortion (THD <5%).
Features built-in (frequency jittering) to minimize EMI interference, critical for industrial and renewable energy systems.
Robust Protection & Reliability
Comprehensive safeguards: Overcurrent (OCP), overvoltage (OVP), overtemperature (OTP), and brown-out protection, ensuring system durability.
Industrial-grade components (e.g., CoolMOS/CoolGaN switches) enhance thermal performance and lifespan.
Smart Control & Integration
Compatible with digital interfaces (e.g., Modbus, CANopen) for real-time monitoring and adaptive load management.
Supports PFC+LLC/AHB hybrid topologies for high-power density designs, as seen in 240W GaN fast chargers.
Flexibility & Cost Optimization
Adjustable CCM/DCM thresholds and external resistor configurability simplify design customization.
Reduced BOM cost via integrated functions (e.g., high-voltage startup, loop compensation).
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