The OZ826LN-C2-0-TR is a highly integrated backlight controller IC manufactured by O2Micro. It's specifically designed for driving LED backlights in LCD panels, commonly found in laptops, monitors, and other portable devices. It aims to improve efficiency and reduce component count compared to discrete solutions.
Applications
- Laptop LCD Backlights
- Netbook LCD Backlights
- Monitor LCD Backlights
- Tablet LCD Backlights
- Portable DVD Player LCD Backlights
Features
- High Efficiency DC-DC Converter
- PWM Dimming Control
- Over Voltage Protection (OVP)
- Over Current Protection (OCP)
- Short Circuit Protection (SCP)
- Under Voltage Lockout (UVLO)
- Small Package Size
Benefits
- Extends battery life in portable devices due to high efficiency.
- Enables precise brightness control through PWM dimming.
- Protects the LED backlight from damage due to overvoltage conditions.
- Prevents excessive current from damaging the controller or the backlight.
- Shuts down the controller in the event of a short circuit to prevent further damage.
- Ensures reliable operation by preventing operation at low input voltages.
- Reduces board space requirements.
Additional Details
The OZ826LN-C2-0-TR incorporates a DC-DC converter to efficiently generate the high voltage required for driving LED backlights. It typically supports a wide input voltage range, making it suitable for various battery chemistries. The PWM dimming control allows for smooth and flicker-free brightness adjustment. The protection features, such as OVP, OCP, and SCP, are essential for ensuring the longevity and reliability of the LED backlight. The 'TR' suffix likely indicates that the device is supplied in tape and reel packaging for automated assembly. The datasheet would give specific details about switching frequency, voltage, current limits, and the precise dimming range.