IR2166 Datasheet PDF learn more.
Functions: PFC and Ballast Control IC
Package information: DIP 16 Pin type
Manufacturer: International Rectifier
Image:
Description
The IR2166 is a highly integrated PFC and ballast control IC with an embedded half-bridge driver, designed for driving fluorescent lamps in high-voltage lighting systems, available in 16-pin PDIP and SOIC packages. It features critical conduction mode PFC, programmable operating parameters, and comprehensive protection mechanisms for reliable lamp operation and system safety. This device is widely used in electronic ballasts, lighting control systems, and power factor correction applications.
Features
- Integrated PFC, ballast controller, and half-bridge driver
- Critical conduction mode boost PFC for high power factor
- No external current sense resistor required for PFC
- Programmable preheat frequency and preheat time
- Programmable run frequency and dead time
- Programmable over-current and end-of-life protection
- Internal ignition ramp and fault counter
- Micropower startup current (~150µA)
- Internal 15.6V zener clamp on VCC
- Latch immunity and ESD protection
Pinout
Design Notes
- Optimize PFC inductor and boost stage for critical conduction mode operation
- Proper timing component selection is essential for preheat and run frequency control
- Ensure adequate isolation and spacing for high-voltage sections
- Use appropriate MOSFETs for half-bridge stage to handle switching stress
- Thermal design is critical due to high-voltage and continuous operation
Typical Circuit Usage
- Electronic ballast circuits for fluorescent lamps
- PFC front-end converters for lighting systems
- Half-bridge inverter stages for lamp driving
- High-efficiency lighting power supplies
How to Choose This Part
- Select for integrated PFC and ballast control in one IC
- Ideal for fluorescent lamp driver designs
- Suitable for systems requiring high PF and low THD
- Choose when programmable protection and timing are needed
- Best for compact and cost-effective lighting solutions
Applications
- Fluorescent lamp electronic ballasts
- Industrial lighting systems
- Commercial lighting power supplies
- Energy-efficient lighting controllers
Alternative / Equivalent Products
- IR2153
- L6562 + ballast controller combo
- UCC28051 + inverter stage
- FAN7621
[ … ]
IR2166 PDF File
