Maximize display performance with O2Micro's innovative backlight and power driver solutions.
O2Micro offers a diverse range of products that support high-quality and energy-efficient LCD displays, including AC/DC integrated backlight drivers, Boost/Buck methods, direct drive methods, and local dimming & IR LED driving for automotive applications. The product line addresses the following application needs: - TVs, monitors, laptops, tablets - Automotive displays, camera modules, infrared LED driving for DMS/OMS - Local dimming for compact, high-brightness backlights and high-precision matrix driving
Inquire About This Product
basic information
Category | Representative Product | Input Voltage | Number of Channels | Features AC/DC Integrated | OZ531AR/T/1 | 7~29V | Single Channel | Flyback or LLC, HV Startup Boost 1 String | OZ9902 Series | 8~30V | 1 | External MOSFET/Built-in Switch, Rich Protection Features Boost 4 Strings | OZ9998 Series | 7~30V | 4 | High Precision Current Balance, PWM 1000:1 Buck Type | OZ561 Series | 7~16V | 1 | Compact SOP/ESOP, Flexible Dimming Control Direct Drive | OZ582 Series | 7~30V | Up to 4 | Simple Configuration, Low Cost and High Efficiency SPI Control | OZ9264, OZ9929M8, etc. | Up to 5.5V | Up to 336ch | SPI Control, Matrix Drive, Heat Dissipation Measures Automotive IR-LED | OZ585/6/7 | Up to 40V | 1 to 2 | 5A Support, Eye Safe, I2C Control Compatible
Price range
Delivery Time
Applications/Examples of results
- TV/Monitor: Achieves high contrast expression with local dimming and HDR support - Notebook PC/Tablet: Brightness control that maintains visibility while being power-efficient - In-vehicle display: Power management that meets reliability and safety standards (compliant with ASIL) - Driver monitoring system (DMS)/Infrared LED: 1-5A drive, improved imaging performance with high-speed pulses
Line up（8）
| Model number | overview |
|---|---|
| Boost method (1 to 8 strings, built-in/external MOSFET) | LED backlight driver |
| Buck method (1 to 6 strings) | LED backlight driver |
| Direct Drive method (up to 4 strings) | LED backlight driver |
| SPI/I2C control compatible (high channel, matrix drive) | LED backlight driver |
| LCD bias power integrated PMIC (Buck / Boost / LDO / charge pump) | Panel power PMIC |
| LED backlight (Boost/Buck-Boost) | Automotive solution |
| Local dimming / DMS IR-LED driver | Automotive solution |
| Camera module power management IC | Automotive solution |
catalog（1）
Download All Catalogs
Company information
Our company has deep expertise in analog semiconductors and can provide world-class semiconductor solutions. By replacing the digital semiconductors you are currently using with our developed analog semiconductors, we can achieve low voltage operation, low power consumption, cost reduction, and shorter delivery times. Additionally, we are capable of developing and manufacturing custom semiconductors tailored to your needs, and we also carry out PCB assembly and OEM manufacturing of finished products.