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  1. Compare evidence, not four symmetrical product lists
  2. Freeze the FPGA OPN and rail model first
  3. ADI: the deepest named-board power-tree evidence
  4. TI: flexible multirail, high-current and compact PMIC paths
  5. MPS: named Agilex boards and scalable modules
  6. Renesas: validated components and a custom-design workflow
  7. Sequence and monitoring ownership must survive vendor selection
  8. Choose the vendor path by the unresolved risk
  9. Conclusion
  10. Official references

Compare evidence, not four symmetrical product lists #

ADI, Texas Instruments, Renesas and Monolithic Power Systems can all contribute to an Altera FPGA power design, but the public evidence is not symmetrical. ADI publishes named development-kit power trees across Agilex, Stratix and Arria. TI publishes tested high-current, flexible multirail and MAX 10 reference designs. MPS publishes named Agilex and legacy-family references plus a current high-current Agilex module study. Renesas appears in Altera's validated SmartVID tables and provides an Altera-aware multirail design workflow, but the official material reviewed for this article does not establish a comparable public, named, complete Altera board reference.

That difference matters to both engineers and buyers. A regulator can be electrically capable and even SmartVID-compatible without proving the complete rail map, sequence, configuration image, transient response, thermal behavior and shutdown policy for a named FPGA board. The purchasing line must preserve the evidence level instead of turning every vendor logo into an implied drop-in alternative.

The closest existing article is Altera FPGA Power Delivery: Design Guide. That overview explains family-wide rail planning, OPN suffixes and SmartVID. This article answers a different question: which vendor path has enough official evidence for a particular Altera BOM, what remains custom engineering, and what procurement must request before releasing an RFQ. The overlap is below the duplicate threshold because the main evidence, comparison structure and buyer decision are vendor-specific.

Altera is the current independent FPGA company and brand. Intel appears in older reference-design titles and board documents because those materials were produced during Intel ownership. Keep that historical label with the source revision, but use the current Altera device documentation and exact ordering part number as the design authority.

Official evidence paths for ADI, TI, Renesas and MPS Altera FPGA power solutions
Unequal official evidence paths from named boards to custom design
VendorStrongest public Altera evidence reviewedWhat it supportsWhat it does not prove
ADINamed Agilex 7, Stratix 10 and Arria 10 development-kit power treesDetailed rail-to-device mapping, digital management and alternatives in the stated board contextThat one ADI tree covers every package, tile set or workload
TITIDA-010241, PMP20176, TIDA-01419 and TIDA-00607Tested flexible multirail, high-current core and integrated MAX 10 architecturesThat the same controller, phase count or PMIC image fits every family
MPSAgilex 3 board, EVINAG-001-A study and multiple family portal entriesExact configured devices, high-current modules and selected development-board implementationsThat every portal family entry has the same public test depth
RenesasAltera SmartVID validation plus PowerCompass Altera-file import and templatesA credible component and custom-design starting pointA public complete board BOM equivalent to the named ADI, TI or MPS examples

Freeze the FPGA OPN and rail model first #

Do not start by comparing controller current ratings. Start with the full Altera OPN, the current power-estimation file and the applicable power-management guide. Examples from current or documented development platforms show how quickly the architecture changes:

Platform exampleExact or named targetPower decision that must be frozen
Agilex 3 C-Series kitA3CW135BM16AE6SFixed-voltage core implementation and configured MPQ2287 option
Agilex 5 E-SeriesA5ED065AB32AE1V or A5ED065BB32AE4SSmartVID versus fixed-voltage OPN path; suffix controls the core strategy
Agilex 7 F-Series kitAGFB014R24B2E2VSmartVID core plus HPS, P-Tile, E-Tile, PLL, memory and I/O domains
Stratix 10 GX reference1SG280 class, including the SG2800-I1V reference contextPMBus SmartVID, high-current core scaling and grouped sequence
Arria 10 GX reference10AX115U145IVG classParallel VID core control rather than the Stratix 10 PMBus interface
MAX 10 dual-supplyDevice-specific dual-supply optionCore and I/O rails, DDR choice, POR monitoring and PMIC sequence image

Altera's current power-support page directs Agilex and Stratix 10 work to the FPGA Power and Thermal Calculator, while older Arria 10 and Cyclone 10 work continues to use the corresponding Early Power Estimator. The estimate must reflect logic utilization, clocks, DSP and memory activity, transceiver tiles, HPS workload, I/O standards, junction temperature and cooling. Export a rail table with nominal voltage, tolerance, static and dynamic current, transient target, ramp group, discharge requirement and monitoring point.

For a SmartVID OPN, also freeze the PMBus operating mode before layout. Altera states that controller and target modes use different signal requirements; an incorrect implementation can prevent device configuration. The regulator model, address, VOUT format and coefficients used by Quartus are part of the released configuration, not firmware details that purchasing can ignore.

ADI: the deepest named-board power-tree evidence #

ADI's current FPGA reference library describes its Altera solutions as approved and tested. The strongest current example is the Agilex 7 F-Series P-Tile/E-Tile development-kit circuit note. It maps LTC3888-1 with LTC7051 smart power stages to VCC/VCCP and VCCPLLDIG_HPS, then assigns LTM4678, LTM4686-1, LTM4668, LTM4623, LTM4657, LTC7151S, LTM4608 and LTM4643 to named HSSI, tile, PLL, HPS, I/O and DDR4 roles. The page also provides LTpowerPlanner and LTpowerPlay support material through ADI.

This is unusually useful evidence because it exposes the complete relationship between high-current core regulation and lower-current sensitive domains. It still remains a development-kit architecture. A different Agilex 7 density, tile mix or memory topology changes current, phase count, output capacitance and possibly which rails can be shared.

For Stratix 10, ADI documents the original LTM4677 plus three LTM4650 core path and an updated alternative using two LTM4700 modules. The same circuit note assigns LTM2987 to sequencing, monitoring, margining and fault management. For Arria 10, the documented tree uses LTC3877 plus LTC3874 for a 105 A-class core example, LTM4637 for the transceiver rail and LTC2977 for eight-channel sequence and monitoring ownership.

These examples also show why a buyer must not shorten the BOM. LTC3888-1 is not the same released identity as LTC3888, and a complete LTM or LTC orderable code still carries package, temperature and packing information. If an updated ADI alternative is proposed, engineering must confirm the footprint, PMBus behavior, compensation, telemetry scaling, sequence configuration and test limits rather than approving it as a marketing-page successor.

TI: flexible multirail, high-current and compact PMIC paths #

TI's TIDA-010241 is the broadest public TI architecture for high-performance Intel-era Altera and AMD-Xilinx platforms. For its Agilex example, a TPS53688 dual-channel eight-phase controller supplies a 0.8 V VCC core output scalable from 60 A to 180 A and a second 0.9 V transceiver-related output rated at 40 A in the published rail table. TPS650861 supplies and sequences six additional rails, while TPSM5D1806 modules cover lower-current outputs. The design guide includes programming setup, efficiency and transient test results, schematics and a BOM.

That platform is flexible, but not pre-approved for an arbitrary Agilex OPN. Its controller, phase allocation and rail assignment must be reconciled with the new PTC result. The TPS650861 nonvolatile image and TPS53688 Fusion configuration are production-controlled artifacts. Procurement should request the programmed option, checksum or file revision and the hardware test record together.

TI also maintains focused evidence:

  • PMP20176 uses TPS53647 with four CSD95472Q5MC smart power stages for a 140 A Stratix 10 GX core reference focused on the SG2800-I1V variant, with PMBus programming and telemetry.
  • TIDA-01419 uses the same controller and stage family in a four-phase 150 A Arria 10 GX core reference for the stated 10AX115U145IVG context, with published transient, thermal and protection tests.
  • TIDA-00607 uses TPS65218D0 as a compact multirail PMIC for a dual-supply MAX 10 design. TI states that the board was tested for industrial operation from –40°C to 105°C and publishes the schematic, BOM and test report.

TI's July 2026 SmartVID application brief adds a current device-selection layer, naming PMBus-capable controllers, converters and modules such as TPS53676, TPS544A28, TPS544B28, TPS546A24A, TPS546B24A, TPS546B25, TPS546C25, TPS546E25, TPSM8D6C24 and TPSM8S6C24. Treat that list as current component guidance, not evidence that each device has been tested on every Altera family. The Altera validated-regulator table remains the authority for SmartVID firmware compatibility.

MPS: named Agilex boards and scalable modules #

MPS's current Altera reference portal lists Agilex, Agilex 3, Stratix 10, Stratix V, Arria 10, MAX 10 and Cyclone families. The evidence depth varies by linked page, so preserve the exact reference URL and board target in the BOM record.

The current Agilex 3 reference is particularly concrete. It names the A3CW135BM16AE6S development-kit FPGA and lists three MPQ4371-8000, one MP5036A, one MPQ2287-0016 and three MPQ4324-2001 devices. Those four-digit configuration suffixes are part of the released electrical behavior. A quote for base part MPQ2287 or MPQ4371 is incomplete unless MPS confirms the correct configured code and programming ownership.

For high-current Agilex work, MPS documents MPM3698 with MPM3699 power blocks and the EVINAG-001-A evaluation board. The published study uses an Agilex VCC/VCCP core case at 0.8 V, a 32.5 A load step and 325 A/µs slew rate, and reports its capacitor set and measured transient result under the stated conditions. These values are not universal Agilex requirements. They are test conditions that demonstrate one module architecture and must stay attached to the board, input voltage, switching frequency, load step and output network.

The lifecycle boundary also matters. MPS currently marks MPM3698 Active, while the MPM3699 product page is Pre-Release even though it lists an active part number. That mixed status requires written confirmation of production availability, qualification and forecast before a new high-volume BOM is released. Do not equate an evaluation-board result or a buy button with a production commitment.

MPS evidence also appears in Altera hardware: the current Agilex 3 development kit uses MPQ2287 for core power, and the Cyclone 10 GX DK-DEV-10CX220-B board documents configured MPM3690, MPM3695, MPM3650, MPM3632, MPM3612 and MPM3804 devices. These are valuable full-board examples, but their custom suffixes, board revision and programming data must remain together.

Renesas: validated components and a custom-design workflow #

Renesas should not be omitted, but it should not be overstated. Altera's live SmartVID table lists Renesas ISL682xx and ISL69260 families among fully validated Agilex 7 regulators and ISL68223 among fully validated Agilex 5 regulators. The Agilex 7 PDN guidance also names an ISL68236 controller with ISL99227 stages for the VCC/VCCP core, and current Renesas pages show ISL68223 as Active with PMBus 1.3, nonvolatile configurations, telemetry and PowerNavigator support.

Renesas PowerCompass can import an Altera power-estimator report, start from FPGA templates, define multirail input/output requirements, compare suggested parts and generate custom base schematics and BOM files for schematic-enabled devices. That is a legitimate Renesas engineering path. However, the tool itself warns that its thermal output is an estimate and does not replace prototype characterization; it also directs transient and Bode analysis to separate simulation tools.

As of the August 2, 2026 source review, the official Renesas material cited here does not identify a public, named, complete Altera development board with the same downloadable rail map and test package available from the ADI, TI and MPS examples above. Therefore this article labels Renesas as a validated-component/custom-design route. A PowerCompass-generated BOM must be reviewed against the exact Altera OPN, SmartVID table, sequence guide, PDN target and bench results before it is described as a platform solution.

Sequence and monitoring ownership must survive vendor selection #

Control and release chain for an Altera FPGA power BOM
From Altera OPN and SmartVID mode to programmed BOM and bench release

Changing vendor does not change the FPGA's required rail order. Agilex, Stratix 10, Arria 10 and Cyclone 10 GX use family-specific sequence groups; MAX 10 uses its own POR-monitored-rail rules. The supervisor, PMIC or digital controller must enforce threshold-gated progress rather than relying only on nominal delay timers.

For SmartVID devices, the Secure Device Manager and PMBus regulator form a control pair. The released design must define controller/target mode, address, alert behavior, VOUT format, coefficients, start-up setpoint and the failure state if communication is absent. For fixed-voltage devices, the same discipline applies to resistor settings, OTP/MTP image, soft start and tolerance.

Monitoring also needs an owner. PMBus or I2C telemetry can log voltage, current, power and temperature, but it does not replace oscilloscope measurements at the FPGA sense point. The validation record should correlate remote-sense readings, controller telemetry, rail power-good timing, reset release and high-bandwidth ripple/transient captures. The shutdown plan must define rail discharge and fault latching; a design that proves only power-up is not ready for production.

Release itemEngineering evidenceProcurement/RFQ field
FPGA identityFull OPN, package, power option, tile and memory configurationExact quoted OPN; no family-only substitution
Load casePTC/EPE version, project file, rail current and thermal assumptionsProposal tied to the same estimator revision
Power devicesComplete configured suffix, package, grade and packing codeManufacturer orderable code and lifecycle confirmation
SmartVID/controlPMBus mode, address, coefficients, NVM image and checksumProgrammed-configuration traceability
Sequence/faultEnable graph, power-good thresholds, timeout, shutdown and reset ownerBoard/controller revision and test evidence
QualityQualification, date-code window, lot, MSL and traceability requirementsCoC, lot/date code, packing and moisture condition

Choose the vendor path by the unresolved risk #

Choose ADI when the closest named development-kit tree and detailed rail-to-device mapping reduce integration risk, especially for Agilex 7, Stratix 10 or Arria 10. Choose TI when a tested flexible multirail platform, a high-current core stage or an integrated MAX 10 PMIC best matches the system. Choose MPS when a named Agilex/Cyclone board or compact scalable module architecture fits the density and transient problem. Consider Renesas when Altera's validated controller list and a custom PowerCompass/PowerNavigator workflow fit the design team's validation capability.

None of those choices removes the need to recalculate current, PDN, compensation, thermals and sequence for the exact device. A fully validated SmartVID controller proves firmware compatibility at a defined level; it does not prove a complete board. A tested reference board proves its own conditions; it does not create a universal approved-alternate list.

For family-specific implementation, use Powering Altera Agilex 3, 5 and 7 FPGAs, Stratix 10 and Arria 10 Power Design and Altera Cyclone 10 and MAX 10 Power Design. The companion AMD-Xilinx FPGA Power Delivery: Design Guide and focused ADI, TI, Renesas and MPS guides show how the same evidence discipline applies without mixing platform-specific rail rules.

Conclusion #

The best Altera FPGA power solution is not the vendor with the longest compatible-parts list. It is the architecture whose official evidence most closely matches the exact OPN, rail map, SmartVID mode, sequence, transient envelope, thermal environment and production horizon.

ADI, TI and MPS offer strong named-board examples in different parts of the Altera portfolio. Renesas offers validated SmartVID components and a capable custom-design workflow, but should be released only with project-specific schematic, configuration and bench evidence. Keep that asymmetry visible, preserve configured suffixes, and require lifecycle plus programming traceability before a purchase order.

For a controlled comparison, send the exact Altera OPN, PTC or EPE file, input bus, rail table, qualification grade, target quantity and preferred vendor references. That package lets engineering and procurement compare the same design rather than four unrelated product lists.

Official references #

Use the manufacturer datasheet and approved engineering documents for final design decisions.

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