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REVENUE RECOGNITION
 6 Months Ended
Jun. 30, 2026
Revenue from Contract with Customer [Abstract]  
REVENUE RECOGNITION REVENUE RECOGNITION
Revenue from Product Sales
The Company generates revenue primarily from product sales, which include assembled and tested integrated circuits (“ICs”), power modules as well as dies in wafer form. The remaining revenue, which primarily consists of royalty revenue from licensing arrangements with value-added resellers and revenue from wafer testing services performed for third parties, was not significant in any of the periods presented.
The following is a summary of revenue by geographic region based on the direct customers’ ship-to locations for the periods presented (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
Country or Region2026202520262025
China$501,973 $397,951 $913,126 $761,671 
Taiwan260,487 104,970 442,103 221,311 
South Korea87,887 63,501 169,693 127,865 
Southeast Asia48,960 34,867 89,709 67,573 
Europe34,832 26,497 70,631 51,489 
U.S.26,212 18,127 55,986 33,376 
Japan20,171 18,536 43,355 38,637 
Other120 125 224 206 
Total$980,642 $664,574 $1,784,827 $1,302,128 
The Company’s direct customers are primarily third-party distributors and value-added resellers. For each of the three and six months ended June 30, 2026, 88% of the Company’s total sales were made through distribution arrangements. For each of the three and six months ended June 30, 2025, 83% of the Company’s total sales were made through distribution arrangements. These distribution arrangements contain enforceable rights and obligations specific to those distributors and value-added resellers and not the end customers.
The following table summarizes the direct customers with sales equal to 10% or more of the Company’s total revenue for the periods presented:
Three Months Ended June 30,Six Months Ended June 30,
Customer2026202520262025
Distributor A28%25%27%25%
Distributor B15%17%15%18%
Distributor C*11%*11%
Distributor D10%***
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*Represents less than 10%.
The Company’s agreements with these third-party distributors were made in the ordinary course of business and may be terminated with or without cause by these distributors with advance notice. Although the Company may experience a short-term disruption in the distribution of its products and a short-term decline in revenue if its agreement with any of the distributors were terminated, the Company believes that such termination would not have a material adverse effect on its financial statements because it would be able to engage alternative distributors, resellers and other distribution channels to deliver its products to end customers within a relatively short period following any termination of the agreement with a distributor.
Purchase orders, which are generally governed by sales agreements or the Company’s standard terms of sale, set the final terms for unit price, quantity, shipping and payment agreed upon between the Company and the customer. The Company considers purchase orders to be contracts with the customers. The unit price as stated on the purchase orders is considered the observable, stand-alone selling price for the contracts.
The Company recognizes revenue when it satisfies a performance obligation by transferring control of the promised goods or services to its customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. The Company excludes taxes assessed by government authorities, such as sales taxes, from revenue.
Product sales consist of a single performance obligation that the Company satisfies at a point in time. The Company recognizes product revenue from distributors and direct end customers when the following events have occurred: (a) the Company has transferred physical possession of the products, (b) the Company has a present right to payment, (c) the customer has legal title to the products, and (d) the customer bears significant risks and rewards of ownership of the products. In accordance with the shipping terms specified in the contracts, these criteria are generally met when the products are shipped from the Company’s facilities (such as the “Ex Works” shipping term) or delivered to the customers’ locations (such as the “Delivered Duty Paid” shipping term).
Under certain consignment agreements, the Company recognizes revenue when customers consume products from the consigned inventory locations, at which time control transfers to the customers and the Company issues invoices.
Variable Consideration
The Company accounts for price adjustments and stock rotation rights as variable consideration that reduces the transaction price and recognizes that reduction in the same period the associated revenue is recognized. Certain distributors have limited stock rotation rights that permit the return of a small percentage of the previous six months’ purchases in accordance with the contract terms. The Company estimates the stock rotation returns using the expected value method based on an analysis of historical returns, and the current level of inventory in the distribution channel. The Company records a liability for the stock rotation reserve, with a corresponding reduction to revenue. In addition, the Company recognizes an asset for product returns which represents the right to recover products from the customers related to stock rotations, with a corresponding reduction to cost of revenue.
Contract Balances
Accounts Receivable:
The Company records a receivable when it has an unconditional right to receive consideration after the performance obligations are satisfied. The Company’s accounts receivable are short-term, with standard payment terms generally ranging from 30 to 90 days. The Company does not require its customers to provide collateral to support accounts receivable. The Company assesses collectability by reviewing accounts receivable on a customer-by-customer basis. To manage credit risk, management performs ongoing credit evaluations of the customers’ financial condition, monitors payment performance, and assesses current economic conditions, as well as reasonable and supportable forecasts of future economic conditions, that may affect collectability of the outstanding receivables. For certain customers, the Company requires standby letters of credit or advance payments prior to shipments of goods. The Company did not recognize any write-offs of accounts receivable or record any allowance for credit losses for the periods presented.
The following table summarizes the customers with accounts receivable equal to 10% or more of the Company’s total accounts receivable:
CustomerJune 30,
2026		December 31,
2025
Distributor A33%35%
Value-added reseller A20%*
Distributor B15%14%
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*Represents less than 10%.
Practical Expedients
The Company has elected the practical expedient to expense sales commissions as incurred because the amortization period would have been one year or less.
The Company’s standard payment terms generally require customers to pay 30 to 90 days after the Company satisfies the performance obligations. For this reason, the Company has elected not to determine whether contracts with customers contain significant financing components.
The Company’s unsatisfied performance obligations primarily include products held in consignment arrangements and customer purchase orders for products that the Company has not yet shipped. Because the Company expects to fulfill these performance obligations within one year, the Company has elected not to disclose the amount of these remaining performance obligations.