PATENT GRANTED TO O2MICRO FOR AUTO-DETECTING BATTERY CELLS DISCONNECTION WITH RC ANALYSIS METHODOLOGY TO ENHANCE BATTERY PACK SAFETY

Jul 14, 2021

GEORGE TOWN, Grand Cayman, Jul 14, 2021 (GLOBE NEWSWIRE) -- 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 today announced the grant of a patent granted to O2micro for auto-detecting battery cells disconnection utilizing

Resistor/Capacitor Circuit (RC) analysis methodology.

O2Micro was issued 14 claims under US patent US 11,038,356 B2 on Jun 15, 2021, for the invention of for auto-detecting battery

cells disconnection with RC analysis methodology. The invention quickly detects the battery cell disconnection failures in the battery

management system, and efficiently avoids the battery failure and hazard situations..

Dr. Guoxing Li, VP of Advanced Technology, O2Micro, commented,"This invention provides a reliable and effective solution to

perform battery cell tap connection checks by reliably and accurately measuring cell voltages in the battery pack. This is essential to

prevent both over-charging and over-discharging and can effectively enhance battery package safety in high power applications

such as, electric vehicles, bikes and scooters, uninterruptible power supplies (UPS), solar and wind storage, cordless power tools,

cordless vacuum cleaners and other high capacity, high current battery applications for home and industry."

About O2Micro:

Founded in April 1995, O2Micro develops and markets innovative power management components for the Computer, Consumer,

Industrial and Automotive markets. Products include Backlighting and Battery Management.

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.


Contact Information:

O2Micro Daniel Meyberg

Investor Relations

Email: ir@o2micro.com


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