Our Story
O2Micro
O2Micro is a global semiconductor company specializing in mixed-signal and power-management ICs for automotive, computing, industrial, and consumer electronics. Since 1995, we’ve delivered high-performance, energy-efficient technologies that help leading brands build smarter, safer, and more sustainable products.
With decades of mixed-signal expertise, O2Micro is a key innovator in automotive electronics—advancing power systems, battery-management (BMS) solutions, and driver-monitoring technologies. Our intelligent ICs improve vehicle safety, extend EV battery life, and provide reliable, efficient power control that accelerates the shift toward intelligent and eco-friendly mobility.
Supported by deep engineering capabilities, strong system-architecture knowledge, global foundry partnerships, and a robust intellectual-property portfolio, O2Micro continues to push the boundaries of intelligent power management—delivering technologies that power the future of electric vehicles and connected electronic systems.
O2Micro Notable Achievements
Established: April 1995 | Locations: USA, Japan, South Korea, China, Taiwan
- Launched AudioDJ®, the world’s first chip that allows CDs to play when the computer is turned off.
- Launched the world's first Dual CCFL Inverter Control Chip widely used in LCD backlight arrays.
- Listed on NASDAQ.
- Awarded "Outstanding Integrity Share Semiconductor Company" by the U.S. Fabless Semiconductor Association.
- 2004: Began R&D for multi-cell lithium battery management for electric vehicles; accumulated 62 important patents.
- 2007: LED Backlight Driver IC enabled the Apple MacBook Air.
- 2008: Launched the world's first High-Series-Count Automotive BMS.
- Recognized by IEEE as a pioneer in power management.
- Cool Charge®-technology used in Dell laptops.
- 2012: Accumulated patents reached 1,000.
- 2013: Won the China Annual Electronic Product Award (China ACE Awards).
- 2015: Rated as the Best Innovative Company in Silicon Valley Mountain View, USA.
- 2019: Released multiple patents for lithium battery edge protection.
- 2020: Won multiple driver power supply patents.
- 2021: Annual shipments of multi-cell lithium battery current management systems exceeded 120 million units.
- Achieved product-level customer adoption.
- Certified with Automotive Grade ISO 26262 (supporting ASIL-D, ASIL-B).
- Completed privatization and expanded into the China "Go Out" market for energy storage.
- Initiated IPO.