O2Micro Introduces SMBus™ Level 2 Battery Charger with Hybrid Power Boost Supporting Notebooks, Netbooks and Ultra-Mobile Computers

OZ8682 Highly Integrated SMBus Programmable, Multi-Chemistry Battery Charger Controller Provides Complete Battery Charging Control for Single Battery, Portable Computer Systems

October 11, 2012. O2Micro® International Limited (NASDAQ Global Select Market: OIIM), a global leader in the design, development and marketing of high-performance integrated circuits and solutions, today announced the introduction of a new low cost, high efficiency SMBus Level 2 battery charger with hybrid power boost technology.

The OZ8682 is a smart battery charger (SBC) that provides complete battery charging control for single battery portable computer systems. The hybrid power boost feature enables the battery to provide power in conjunction with the AC adapter. The OZ8682 features greater than 95% power conversion efficiency and is available in the smallest package on the market today.

Additionally, OZ8682 uses two high-side current sensors, charge and discharge. When charging with the system "On," OZ8682 dynamically allocates all excess AC adapter current to the charger, thus achieving the shortest possible charging time.

"The OZ8682 smart battery charger uses O2Micro's proprietary parallel powering technology. This patented technology enables parallel system powering by utilizing both the adapter and battery as essential components in supporting hybrid power boost, which makes possible the use of lower cost, smaller power adapters," noted Laszlo Lipcsei, vice president of O2Micro.

The space savings and performance requirements of today's notebook, netbook and ultra-mobile computers are driving demand for higher efficiency battery chargers. The SMBus interface of O2Micro's new battery chargers allow programming of the battery voltage, charge current and adapter current of various battery chemistries, including Li-Ion with 1 to 4 cells.

Product Availability and Additional Information

The OZ8682 is available in a 16-pin 3x3mm QFN package. This product is in high volume production. Samples and evaluation boards are available for qualified customers.

For additional information, contact O2Micro sales representatives via our website at www.o2micro.com.

About O2Micro

Founded in April 1995, O2Micro develops and markets innovative power management and e-commerce components for the Computer, Consumer, Industrial, and Communications markets. Products include Intelligent Lighting, Battery Management, and Power Management.

O2Micro International maintains an extensive portfolio of intellectual property with 20,690 patent claims granted, and over 21,000 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at www.o2micro.com.

O2Micro, the O2Micro logo, and combinations thereof are registered trademarks of O2Micro. All other trademarks or registered trademarks are the property of their respective owners.

Statements made in this release that are not historical, including statements regarding O2Micro's or management's intentions, hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include O2Micro's products due to adverse economic conditions in general or specifically affecting O2Micro's markets, technical difficulties and delays in the developments process, and errors in the products. You are also referred to the Form F-1 in connection with the company's initial public offering in August 2000, Form F-3 in connection with the company's public offering in November 2001, and the annual reports on Form 20-F, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements. The company assumes no obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise.

Contact Information:
Scott L. Anderson
Director of Investor Relations, O2Micro
Phone: 408.987.5920. x8888
Email: scott.anderson@o2micro.com

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