The OZ964IGN is a Cold Cathode Fluorescent Lamp (CCFL) controller IC designed by O2Micro for LCD backlight applications. It provides the necessary control and protection features for efficient and reliable operation of CCFL lamps in a variety of display devices.
Applications
- LCD Monitors
- LCD TVs
- Laptop Screens
- Industrial LCD Panels
Features
- High-Efficiency CCFL Controller
- PWM Dimming for Brightness Control
- Integrated Protection Circuits: Overvoltage Protection (OVP), Overcurrent Protection (OCP), Short Circuit Protection (SCP)
- Soft-Start Function to Reduce Stress on the Lamp
- Burst Mode Operation for Low Power Consumption
- Lamp Current and Voltage Regulation
Benefits
- Longer Lamp Life Due to Controlled Operation and Soft-Start
- Lower Power Consumption for Energy Efficiency
- Enhanced System Reliability with Built-in Protection
- Improved Display Quality with Consistent Brightness
- Flexible Brightness Control
Additional Details
The OZ964IGN utilizes Pulse-Width Modulation (PWM) dimming to regulate the brightness of the CCFL lamp. The integrated protection circuits safeguard the lamp and the controller from damage caused by overvoltage, overcurrent, or short circuits. The soft-start function minimizes stress on the lamp during startup, extending its lifespan. The burst mode operation improves efficiency at low brightness levels. External components, such as a MOSFET and transformer, are required to create the CCFL driver circuit. Refer to the datasheet for detailed electrical specifications and application guidelines. Stable performance and comprehensive protection make the OZ964 series a popular choice for LCD backlighting solutions. The precise control of lamp current and voltage ensures consistent brightness and color performance across the display.
