The OZ8682LN-C1-0-TR is a highly integrated backlight controller manufactured by O2Micro. It's designed to drive LED backlights in LCD panels, commonly found in notebooks, monitors, and other portable devices. This controller incorporates advanced features to optimize backlight performance, efficiency, and protection.
Applications:
- Notebook computers
- LCD monitors
- Portable DVD players
- Netbooks
- Tablet PCs
Features:
- High efficiency DC-DC converter
- PWM dimming control for precise brightness adjustment
- Over-voltage protection (OVP)
- Over-current protection (OCP)
- Short-circuit protection (SCP)
- Under-voltage lockout (UVLO)
- Soft-start function to reduce inrush current
- Integrated gate driver for external MOSFET
- Adaptive boost control
Benefits:
- Improved Battery Life: The high-efficiency DC-DC conversion minimizes power consumption, extending battery life in portable devices.
- Precise Brightness Control: PWM dimming allows for accurate adjustment of backlight brightness to suit different ambient lighting conditions.
- Enhanced Reliability: Comprehensive protection features prevent damage to the backlight and controller in the event of over-voltage, over-current, or short-circuit conditions.
- Reduced Component Count: Integrated gate driver and other features minimize the need for external components, simplifying the design and reducing board space.
- Stable Operation: Soft-start and under-voltage lockout ensure stable and reliable operation under varying input voltage conditions.
Technical Specifications:
While specific technical specifications may vary based on the exact application and implementation, key parameters generally include input voltage range (typically 7V to 24V), output voltage (determined by the LED string configuration), switching frequency (typically in the hundreds of kHz range), and operating temperature range. It typically uses a PWM signal for dimming control. The package is typically a small outline package (SOP) or a thin shrink small outline package (TSSOP) for space efficiency.
The OZ8682LN-C1-0-TR is a reliable and efficient solution for driving LED backlights in a variety of applications, offering a combination of performance, protection, and ease of use.