v3.26.1
Cover
Jun. 03, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 03, 2026
Entity File Number 000-23441
Entity Registrant Name Power Integrations, Inc.
Entity Central Index Key 0000833640
Entity Tax Identification Number 94-3065014
Entity Incorporation, State or Country Code DE
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