Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports relating to the consolidated financial statements of O2Micro International Limited and subsidiaries (the “Company”) and the effectiveness of the Company’s internal control over financial reporting dated April 23, 2015, appearing in the Annual Report on Form 20-F of the Company for the year ended December 31, 2014.
/s/ Deloitte & Touche
Taipei, Taiwan
The Republic of China
March 3, 2016