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Document and Entity Information
May 29, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date May 29, 2025
Entity Registrant Name AMBARELLA, INC.
Entity Incorporation State Country Code E9
Entity File Number 001-35667
Entity Tax Identification Number 98-0459628
Entity Address Address Line 1 3101 Jay Street
Entity Address City Or Town Santa Clara
Entity Address State Or Province CA
Entity Address Postal Zip Code 95054
City Area Code 408
Local Phone Number 734-8888
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Ordinary Shares, $0.00045 par value
Trading Symbol AMBA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0001280263