The OZ9972ASN-A1-2-TR is a highly efficient LED backlight controller designed by O2Micro. It is specifically engineered to drive LED backlights in LCD panels used in various applications. This controller offers advanced features for efficient power conversion, precise dimming control, and comprehensive protection, ensuring reliable and high-performance LED backlighting solutions.

Applications:

• LCD Televisions
• LCD Monitors
• Notebook Computers
• Portable Display Devices

Features:

• High-Efficiency DC-DC Converter: The OZ9972ASN-A1-2-TR integrates a high-efficiency DC-DC converter, minimizing power losses and maximizing the overall efficiency of the LED backlight system.
• Wide Input Voltage Range: This controller is designed to operate with a wide range of input voltages, making it adaptable to various power supply configurations.
• PWM Dimming Control: It offers precise PWM dimming control, allowing for accurate adjustment of the LED backlight brightness.
• Built-in Protection Features: The OZ9972ASN-A1-2-TR includes comprehensive protection features such as over-voltage protection (OVP), over-current protection (OCP), and over-temperature protection (OTP) to protect the LED backlight system from potential damage.
• Adaptive Boost Control: This feature dynamically adjusts the boost voltage to optimize LED current regulation and efficiency.
• Open/Short LED Protection: The controller detects and protects against open or short LED conditions, enhancing system reliability.

Benefits:

• Enhanced Energy Efficiency: The high-efficiency DC-DC converter and adaptive boost control contribute to significant energy savings.
• Improved Display Quality: Precise PWM dimming control enables accurate brightness adjustment and improved display quality.
• Increased System Reliability: Built-in protection features safeguard the LED backlight system against potential damage, resulting in increased system reliability.
• Reduced Component Count: The high level of integration minimizes the need for external components, simplifying the design and reducing the overall cost.
• Simplified Design: The OZ9972ASN-A1-2-TR simplifies the design process with its integrated features and control functions.

Additional Details:

The OZ9972ASN-A1-2-TR is typically available in a compact package suitable for space-constrained applications. It operates over a wide temperature range, ensuring reliable performance in diverse environments. The controller is designed with low EMI (Electromagnetic Interference) to minimize interference with other electronic components in the system. It also complies with various industry standards for safety and performance.