v3.26.1
Cover Page
Aug. 05, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 05, 2026
Entity Registrant Name Power Integrations, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 000-23441
Entity Tax Identification Number 94-3065014
Entity Address, Address Line One 5245 Hellyer Avenue
Entity Address, City or Town San Jose,
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95138-1002
City Area Code 408
Local Phone Number 414-9200
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.001 Par Value
Trading Symbol POWI
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000833640