U.S. Patent Granted to O2Micro for BMS Protection Invention

[Apoptosis]

U.S. Patent Granted to O2Micro for BMS Protection Invention

GEORGE TOWN, Grand Cayman, Aug. 8, 2012 (GLOBE NEWSWIRE) -- O2Micro(R)
International Limited (Nasdaq:OIIM), a global leader in the design,
development and marketing of high-performance integrated circuits and
solutions, today announced that it was issued 20 claims under United
States patent number 8,219,333 for its Battery Management System (BMS)
Protection invention.

This patented next generation fault protection system detects battery
cell voltages, currents, and temperatures to perform protective actions
if a fault condition occurs. A fault condition is an over-voltage,
over-current, over-temperature, or short circuit.

"O2Micro's BMS invention ensures that protective actions are performed
timely, avoiding damage to the battery pack," said Bill Densham,
strategic marketing director at O2Micro.

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.