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
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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
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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 |
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Company information
1. Smart Procurement Leveraging a strong network of suppliers worldwide, we respond to the "I need it now" for parts procurement. Emergency Procurement: Achieving a high procurement rate (approximately 95%) with rapid supply. Tonalism Online: Operating a search and quotation site featuring information on over 2.6 million parts in stock. 2. Authorized Distributor Business We handle a wide range of products from excellent semiconductor and electronic component manufacturers around the world and introduce them to the Japanese market. - Support for small quantities and diverse varieties. - A lineup of various categories including MCU, LED, and MOSFET. - Support for circuit boards and EMS, catering to a wide range of needs. 3. Recruitment Through the semiconductor industry-specialized agent "tonaResource," we provide career support from specialized advisors to job seekers. For companies, we contribute to solving industry-wide human resource challenges by introducing ready-to-work personnel and providing recruitment support. We also offer a support program "tonaResource Mirai" aimed at achieving retention for over three years. 4. OEM / ODM Consistently supporting companies from product planning to production, achieving a high balance of quality, cost, and delivery time.
