POWER INTEGRATIONS, INC. (POWI): what the price assumes

In the published model solve dated 2026-Q2, anchored at $61.96, POWER INTEGRATIONS, INC. (POWI) is priced for today's economics sustained for ~17.0 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-27.

Generated: 2026-08-10 · Exported: 2026-08-12 · Source: https://boothcheck.com/report/POWI

Headline

FieldValue
TickerPOWI
CompanyPOWER INTEGRATIONS, INC.
Current price$61.96/sh
CompositionAmericas 5% / EMEA - Germany 6% / EMEA - Other 5% / APAC - Hong Kong/China 55% / APAC - India 5% / APAC - Korea 9% / APAC - Taiwan 6% / APAC - Other 8%

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

FieldValue
Inversion basiswhole-company
Operating margin (value-band context)42.6%
Operating margin (mid-cycle)13.4%
Margin expansion (value-band)+29.2pp
Trailing margin (depressed year)1.1%
Must persist for17.0y
Multiple paid54x mid-cycle operating income

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 12.2% cost of capital; growth searched up to the 25% self-funding ceiling; each 1pp moves the implied horizon ~2.5 years.

Reconcile: at the x-ray's 9.3% required return this reads ~10.4 years; the models below use their own rates.

How unusual the bet is: elevated

ReferenceValue
vs own history-0.20σ
sustained it ~10 years at this level15%
implied end-window share0%

Valuation X-Ray

Every valuation family lands below the price. The price therefore sits beyond what those standard frames encode.

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

FamilyMedian price/FVModelsReads
Asset13.09x2expensive
Earnings5.58x4expensive
Relative5.46x3expensive
Growth1.39x3expensive

Families that call it expensive: Asset, Earnings, Relative

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 9.2%); the inversion above states its own rate.

Per-Model Detail (n=12)

ModelFamilyFVPrice/FVApplicableMethodology
DCF Perpetual GrowthGrowth$25.252.45xyesFCF base $0.1B, growth 3% (input: historical growth), terminal g 3.1%, WACC 9.2%, 5yr projection
DCF Exit MultipleGrowth$51.001.21xyesExit EV/EBITDA: 301.3x / 303.3x / 305.3x (bear / base = today's held flat / bull), 5yr
Relative ValuationRelative$11.345.46xyesP/E 48.4x (blended: static sector reference 22x + trailing (TTM) 209x), scenarios: 40.6x / 48.4x / 56.2x (bear / base = reference held flat / bull), EV/EBITDA 35.2x
Simple DDMGrowthno
Two-Stage DDMGrowthno
Simple Excess ReturnAsset$3.2119.30xyesBV/sh $12.02, ROE (TTM) 2.5%, ke 9.3%
Two-Stage Excess ReturnAsset$1.8533.49xyes5yr excess ROE then converge to ke=9.3% (excluded from median)
Discounted Future Market CapGrowth$44.461.39xyesRev $0.4B, growth 3% (input: historical growth; tapered), Terminal P/S: 6.5x / 7.8x / 9.0x (bear / base = today's held flat / bull, cap 8x)
Growth-Adjusted P/ERelativeno
Margin TrajectoryGrowthno
Earnings Power ValueEarnings$13.214.69xyesNormalized EBIT (5y avg op income, one-time charges added back) $0.08B × (1−16%) / WACC 9.2% → EPV (no growth)
Residual IncomeAsset$1.3645.56xyesBV $12.02 + 5yr PV of (ROE (TTM) 2.5% − Kₑ 9.3%) × BV; BV grows 1.6%/yr (excluded from median)
Graham NumberAsset$9.016.88xyes√(22.5 × EPS $0.30 × BVPS $12.02) — Graham's conservative floor
EV/EBITDA RelativeRelative$3.8016.31xyesEBITDA $0.01B × sector EV/EBITDA 16.0x
FCF YieldEarnings$16.913.66xyesFCF $84.5M / Kₑ 9.3% — zero-growth perpetuity
SBC-Adj FCF YieldEarnings$9.586.47xyesSBC-adj FCF $0.05B (FCF $0.08B − SBC $0.04B) capitalized at Kₑ
Ben Graham FormulaEarnings$0.25247.84xyesEPS $0.30 × (8.5 + 2×-5.0%) × (4.4 / 5.3%) (excluded from median)
ROIC-Justified P/BAsset$0.25247.84xyesBV $12.02 × (ROIC 0.2% / WACC 9.2%) (excluded from median)
P/Sales SectorRelative$39.941.55xyesRevenue $0.45B × sector P/S 5.0x
PEG Fair ValueRelativeno
Earnings YieldEarnings$3.2419.12xyesEPS $0.30 / required return 9.3% (Rf 4.3% + ERP 5.0%)
Funds From Operations MultipleRelativeno
Clinical Phase NPVGrowthno
MertonAssetno
V5 Mechanicalno

Solvency

FieldValue
Net cash$257.2m
Net debt / NOPAT (after-tax)-5.12x (net cash)
Net debt / operating income (pre-tax)-4.31x (net cash)
Share count CAGR (buyback)-1.8%
Burning cashno

Leverage and coverage are computed on normalized mid-cycle operating income (mid-cycle margin 13.4%); the trailing year was depressed.

Interest expense is not separately reported in the latest filings, so interest coverage cannot be computed.

Bullet Takeaways

Bull Case

The case for Power Integrations starts with the shape of its returns. This is an asset-light chip designer that outsources manufacturing, carries no debt, and sits on about $257 million of net cash, and across the cycle it converts roughly 13% of revenue into operating profit. That margin profile, paired with a long history of buying back stock, is the signature of a business with real pricing power in a niche it helped create: high-voltage power conversion integrated circuits. The company's products replace bulkier, less efficient discrete and hybrid solutions, and the value proposition is integration, the thing a commodity component supplier cannot easily copy.

The growth vector is gallium nitride, and the timing is improving. Power Integrations describes itself as a leader in high-power GaN, with a 1250-volt and 1700-volt platform aimed at the 800-volt data center architectures that AI compute is driving, and it is collaborating with NVIDIA to accelerate the shift to 800-volt power and megawatt-scale racks. Auxiliary power and solid-state transformer designs are the nearer-term opportunities, while the higher-voltage GaN tied to next-generation racks is a couple of years out. That is a genuine secular tailwind layered on top of a cyclical recovery: first-quarter 2026 revenue rose about 3% year over year to $108.3 million, with industrial revenue up 23%, and management guided second-quarter revenue to $115 million to $120 million.

The valuation read has to be framed correctly. The trailing earnings are depressed by the trough, so a trailing multiple overstates the richness; on the company's own through-the-cycle margins the picture is a high-quality compounder priced for a recovery and a GaN ramp. The balance sheet removes the financial risk that usually accompanies a cyclical, and the no-debt, net-cash position means the company can fund research and buy back shares through the downturn without dilution. If the data center GaN opportunity converts even partway, the normalized earnings base steps up and the multiple the market is paying becomes far more defensible.

Bear Case

The competitive threat is the bear case, and it is specific. Gallium nitride is the highest-profile growth market in power semiconductors, which is exactly why everyone is crowding into it. Navitas, partnered with GlobalFoundries to scale U.S. GaN for AI data centers, Innoscience, which holds the largest share of the power GaN device market, and the large analog incumbents are all targeting the same 800-volt data center and automotive sockets Power Integrations is chasing. The company's own filing is blunt about the dynamic, warning that the "high-voltage power supply industry is intensely competitive and characterized by significant price sensitivity" and that its products "face competition from alternative technologies" (FY2025 10-K). It names rivals directly, citing alternatives "from such companies as Infineon, Mitsubishi Electric, Fuji Electric" and motor-driver competition from "ON Semiconductor, Infineon, STMicroelectronics" (FY2025 10-K). A leadership position in a market this contested is not a guarantee of leadership economics.

The valuation is the second problem, and it is severe. No valuation family reaches the $87.23 price (June 27, 2026), even using normalized mid-cycle earnings. At about 77 times normalized operating income, the price implies growth held near its self-funding ceiling for roughly 21 years, and only about 15% of comparable fast-growers have sustained that pace for even ten years. The price is not asking whether the GaN ramp happens; it is asking whether it happens, durably, for two decades. Either the ramp disappoints, or competition compresses the margins it produces, and the gap between the price and where the methods land, around $11 to $18, is enormous.

The cyclicality is the third caution. The trailing operating margin near 1% is a reminder that this business swings hard with the chip cycle, and the recovery is early. Consumer end markets remain soft, and the high-voltage data center GaN opportunity that anchors the growth story is still a couple of years from volume. A delayed recovery, a slower AI power transition, or a price war in GaN would each strand a price that already assumes a long, clean compounding runway. The balance sheet is a comfort, but it does not make the implied-duration bet any less demanding.

Valuation

Because trailing earnings are depressed by the cycle, the valuation uses the company's own through-the-cycle margins on current revenue rather than the trough quarter. Even on that normalized basis, no valuation family reaches the $87.23 price: it reads rich on assets, earnings power, peer multiples, and even forward growth. The asset-based and earnings-power methods land far below, in the low teens, while the more generous forward-growth methods still fall short. A reasonable-growth re-pricing puts the base near $14 with a band from roughly $13 to $18, and that reliability is low precisely because the inputs are cyclically distorted.

Inverting the price into the assumption it embeds, the market is paying about 77 times normalized mid-cycle operating income, which implies operating growth held near its self-funding ceiling for about 21 years at a 12.4% cost of capital. The sensitivity is meaningful: each one-point change in the cost of capital moves the implied horizon by roughly 2.9 years. Against history, only about 15% of comparable fast-growers sustained this pace for even ten years, which puts the implied bet at the elevated end of the scale.

The honest conclusion is that this is priced as a GaN growth option, not as a current-earnings business. The quality is real, the balance sheet removes financial risk, and the cyclical recovery is underway, but the price embeds a long and uninterrupted GaN ramp that competition makes far from certain. An investor here is paying up for durability that the standard methods cannot underwrite, and the cushion if the ramp slips is thin.

Catalysts

The dominant catalyst is the GaN data center ramp. Power Integrations has detailed 1250-volt and 1700-volt PowiGaN technology for next-generation 800-volt DC AI data centers and is collaborating with NVIDIA to accelerate the transition to 800-volt power and megawatt-scale racks. Management frames auxiliary power and solid-state transformer designs as nearer-term, with the higher-voltage GaN tied to 800-volt architectures a couple of years out. Each design win, qualification, or partnership announcement in that pipeline is a discrete event the market reprices around, as the roughly 20% move on the NVIDIA news showed.

The cyclical recovery is the second driver. First-quarter 2026 revenue rose about 3% year over year and 5% sequentially to $108.3 million, with GAAP EPS of $0.06 and non-GAAP EPS of $0.25, and industrial revenue up 23% year over year leading the rebound. Management guided second-quarter revenue to $115 million to $120 million, bracketing consensus. Continued sequential revenue growth and a recovery in gross and operating margin off the trough would confirm the cycle has turned.

The risk to watch is competition in GaN, where Navitas, Innoscience, Infineon, and others are all pushing into the same high-power sockets. Analyst sentiment is constructive but the price targets span a wide range, from the mid-$50s to the mid-$90s, reflecting how much of the value hinges on the GaN ramp converting. Power Integrations also pays a modest dividend and continues to repurchase shares, supported by its net-cash balance sheet.

Sources:

Peer Cohorts (Per Segment, With Filing Citations)

Core business (reported)

Methodology Note

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.

View the full interactive POWI report on boothcheck