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Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2025
Aug. 29, 2025
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Document Period End Date Jun. 30, 2025  
Document Fiscal Year Focus 2025  
Document Transition Report false  
Entity File Number 001-42766  
Registrant Name Ambiq Micro, Inc.  
Entity Central Index Key 0001500412  
Current Fiscal Year End Date --12-31  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 27-1911389  
Entity Address, Address Line One 6500 River Place Blvd.  
Entity Address, Address Line Two Building 7  
Entity Address, City or Town Austin  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 78730  
City Area Code 512  
Local Phone Number 879-2850  
Title of 12(b) Security Common Stock, par value $0.000001 per share  
Trading Symbol AMBQ  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Document Quarterly Report true  
Entity Small Business true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   18,235,262