The OZ9967SN-B-0-TR is an LED backlight controller from O2Micro, designed for driving LED backlights in LCD panels. This controller is used in a variety of display applications and offers high efficiency and reliability. It incorporates numerous features and protection mechanisms to ensure stable and safe operation.

Applications

• LCD TVs
• LCD Monitors
• Notebook PCs
• Portable DVD Players
• Industrial Displays

Features

• High Efficiency: Optimizes power conversion to maximize efficiency in LED backlight applications.
• PWM Dimming Control: Provides precise brightness control through PWM dimming, enhancing image quality and user experience.
• Integrated Protection: Includes over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP) for increased reliability and safety.
• Adaptive Boost Control: Dynamically adjusts boost voltage to maintain consistent LED current, compensating for variations in LED forward voltage and temperature.
• Open/Short LED Protection: Detects and protects against open or shorted LEDs, preventing potential damage to the system.
• Low Startup Current: Minimizes inrush current during startup, reducing stress on the components.

Benefits

• Energy Efficiency: High efficiency results in reduced power consumption, leading to lower operating costs.
• Enhanced Reliability: Comprehensive protection features ensure stable and reliable operation, significantly extending the lifespan of the LED backlight system.
• Precise Brightness Adjustment: PWM dimming enables accurate adjustment of brightness levels, improving visual comfort and the overall viewing experience.
• System Protection: Prevents damage from over-voltage, over-current, and over-temperature conditions, ensuring the safety and longevity of the device.
• Versatile Use: Suitable for a wide range of LCD panel sizes and resolutions, making it easily adaptable to various display applications and designs.

Additional Details

The OZ9967SN-B-0-TR utilizes advanced control algorithms to optimize LED current regulation while minimizing power dissipation. This ensures a cool and efficient operation, prolonging the lifespan of both the controller and the LED backlight. Its compact package makes it ideal for space-constrained applications. The adaptive boost control dynamically adjusts the boost voltage to maintain the optimal LED current, even as temperature and LED characteristics change. Soft-start functionality is also included to minimize inrush current and prevent voltage overshoot during startup, further protecting the system components. The 'TR' suffix indicates that the component is provided on tape and reel for automated assembly, simplifying manufacturing processes.