Dc Dc Converter Manufacturers

Last updated: January 2026

This directory lists 83 dc dc converter manufacturers across the United States, from high-power isolated brick producers to miniaturized non-isolated point-of-load module specialists.

Buyers in this space frequently grapple with achieving high power density in constrained form factors, ensuring ultra-low ripple voltage for sensitive downstream electronics, and maximizing efficiency across highly dynamic load conditions. These challenges often necessitate converters with specific input voltage ranges, robust overcurrent protection, and superior thermal derating characteristics.

Supplier types in this sector vary significantly, encompassing firms that produce COTS (Commercial Off-The-Shelf) modules, those specializing in custom high-reliability solutions for defense or medical, and companies focused on specific niches like automotive-grade or railway applications. Their distinguishing factors often lie in their core design capabilities, manufacturing volume flexibility, and specific regulatory compliance expertise.

To engage effectively, buyers should come prepared with detailed power budgets, expected load profiles, transient response requirements, and an understanding of their system’s thermal environment. Manufacturers, in turn, expect clarity on critical parameters like Mean Time Between Failures (MTBF) targets, required output isolation levels, and any specific safety or electromagnetic compatibility (EMC) standards that must be met.

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Company Directory

83 companies nationwide

Abbott Technologies

abbott-tech.com
Sun Valley, CA

Abbott Technologies, based in Sun Valley, CA, manufactures high-reliability DC to DC converters and power conversion products. Founded in 1961, the company serves the Aerospace and Defense industries, providing MIL-STD compliant solutions. Their products are designed for critical, rugged, and mission-critical applications where reliability is paramount.

sales@abbott-tech.com+18003678200

Acopian

acopian.com
—

Based in Easton, PA, Acopian manufactures a range of DC-DC converters for industrial and commercial applications. They offer both low-profile switched-mode and wide-adjust DC-DC converters, featuring adjustable output voltage and current to meet diverse power supply requirements for various systems.

sales@acopian.com+16102585441

ACT Power

actpower.com
—

ACT Power, based in Middletown, PA, designs and manufactures rugged, military-grade AC-DC and DC-DC power supplies. Specializing in custom power solutions, the company supports critical defense applications such as avionics, vetronics, maritime electronics, sensors, and C-UAS systems with high-performance converters.

sales@actpower.com+17179392300

AJ Power Supply

ajpowersupply.com
Miami Lakes, FL

Based in Miami Lakes, FL, AJ Power Supply engineers and manufactures custom power solutions, including DC to DC power distribution units and avionics power systems. They provide COTS, configurable, and modular rack mount or chassis solutions for military, commercial, and industrial sectors, serving prime contractors.

nigel@ajpowersupply.com+18139962583

Alencon Systems, LLC

alenconsystems.com
—

Based in Hatboro, PA, Alencon Systems, LLC manufactures powerful DC-DC optimizers and converters for commercial, industrial, and utility-scale renewable energy applications. They specialize in PV string level optimizers and bi-directional DC-DC converters for battery energy storage systems, enhancing energy harvesting and reducing deployment costs for solar, EV, and hydrogen fuel cell technologies.

info@alenconsystems.com+18884107915

Arnold Magnetics Corporation

amcpower.com
Camarillo, CA

Based in Camarillo, CA, Arnold Magnetics Corporation manufactures custom AC to DC power supplies and DC to DC converters. They offer configurable and low-profile modular products for military, nuclear, high-reliability, commercial, and industrial applications. Their solutions meet demanding industry standards for severe environments.

sales@amcpower.com+18004218181

AmePower

amepower.com
Miami, FL

Based in Miami, FL, AmePower specializes in the design, manufacturing, retrofit, and repair of customized high power energy converters. They deliver power electronics solutions for rail, wind turbines, solar, energy storage, and electric vehicles, focusing on improving efficiency and reliability for electrification initiatives.

info@amepower.com+13055940722

Amperor Inc

amperor.com
Houston, TX

Based in Houston, TX, Amperor Inc. manufactures custom and standard power supplies, including LED drivers. The company supports diverse power conversion requirements for data processing, networking, telecom, and computer industries. Amperor operates wholly owned manufacturing facilities to serve industrial clients.

sales@amperor.com+12818073320

Antaira Technologies, LLC.

antaira.com
Las Vegas, NV

Based in Las Vegas, NV, Antaira Technologies, LLC. manufactures rugged and compact DTD power converters designed for industrial environments. These power converters are shielded within an IP30 metal housing, ensuring durability and protection for various applications.

info@antaira.com+17146719000

American Power Design

apowerdesign.com
Windham, NH

Based in Windham, NH, American Power Design specializes in the supply of high voltage DC to DC converters. Their product range covers 0.5 to 200 watts, providing outputs up to 25k Vdc for various applications.

sales@apowerdesign.com+16038944446

c3controls

c3controls.com
—

Based in Beaver, PA, c3controls manufactures compact industrial power supplies with outputs ranging from 60W to 480W. Their offerings include adjustable 12V, 24V, and 48V options with high efficiency. The company provides a wide range of electrical control products and offers same-day shipping.

accounting@c3controls.com+17247757926

CET Technology

cettechnology.com
—

Based in Watertown, MA, CET Technology designs and manufactures ISO 9001:2015 certified DC/DC converters. Established in 1987, the company provides custom and standard power solutions for various industrial and commercial applications. They also offer cross-referencing services for standard parts from other manufacturers.

cet@cettechnology.com+16038946100

Crane Aerospace & Electronics

craneae.com
—

Crane Aerospace & Electronics is a direct manufacturer specializing in highly engineered aerospace and defense solutions. The company creates cutting-edge DC-DC converters and power solutions, including the Interpoint xMOR 120W Product Family. It serves various applications within the demanding aerospace and military industries.

info@craneae.com+14257431313

Newmar DC Power Onboard

dcpoweronboard.com
Santa Ana, CA

Newmar DC Power Onboard manufactures robust DC power solutions, including a wide range of DC-DC converters, battery chargers, and power supplies. Serving marine, land mobile, and industrial applications, the company engineers products designed for demanding and rugged environments.

globalenergy@wxs.nl+18008543906

Dean Technology, Inc.

deantechnology.com
Addison, TX

Dean Technology, Inc. based in Addison, TX, specializes in manufacturing high voltage and high power electronics. Their product line includes high voltage power supplies and standard DC/DC modules, alongside diodes and rectifier assemblies. The company focuses on customer-specific solutions for various high voltage and high power applications.

info@deantechnology.com+19722487691

EPC Power

epcpower.com
Simpsonville, SC

Based in Simpsonville, SC, EPC Power designs and manufactures robust power conversion systems and utility-scale inverters. The company delivers smart power conversion solutions for utility, commercial, and industrial applications, leveraging U.S.-made parts for its products.

sales@epcpower.com+18332070073

Frequency Electronics Inc.

freqelec.com
Uniondale, NY

Frequency Electronics Inc. (FEI), based in Uniondale, NY, manufactures high-reliability DC-DC converters. The company specializes in precision time and frequency technologies, electronic warfare subsystems, and M-Code and SAASM GPS receivers. FEI delivers core C5ISR technology for demanding aerospace and defense applications.

sales@freqelec.com+15167944500

GE Vernova

gevernova.com
St. Paul, MN

Based in St. Paul, MN, GE Vernova specializes in advanced energy conversion and storage systems. Their Power Conversion & Storage business develops technologies to meet electrification needs for utilities and drive decarbonization, encompassing critical power electronics like DC-DC converters.

media@gevernova.com+14073786203

GLF Integrated Power

glfipower.com
Santa Clara, CA

Based in Santa Clara, CA, GLF Integrated Power manufactures DC-DC converter integrated circuits, including switching regulators. The company specializes in ultra-low power design solutions for power saving and protection, serving AIoT, wearable, wellness, smart home, and medical markets with its power conversion products.

info@glfipower.com+14082394326

HALO Electronics, Inc.

haloelectronics.com
Santa Clara, CA

Based in Santa Clara, CA, HALO Electronics, Inc. manufactures 1-watt and 2-watt isolated DC/DC converters. These compact surface mount solutions offer high efficiency and low ripple/noise. The company also provides DC/DC transformers, Ethernet magnetics, and integrated RJ45 connectors.

info@haloelectronics.com+16509033800

HVM Technology, Inc.

hvmtech.com
New Braunfels, TX

Based in New Braunfels, TX, HVM Technology, Inc. is a manufacturer of miniature high voltage power supplies. The company specializes in providing quality HV DC/DC converters and high voltage amplifiers, offering solutions for various high voltage applications.

sales@hvmtech.comhvm+18306265552

KGS Electronics

kgselectronics.com
Arcadia, CA

KGS Electronics, based in Arcadia, CA, designs and manufactures aerospace-certified AC and DC solid-state power conversion products. Specializing in DC to DC power converters, the company provides advanced airborne solutions for civil and military aviation customers. With over 50 years of experience, KGS serves demanding aerospace applications.

info@kgselectronics.com+16265741175

Kinetic Technologies

kinet-ic.com
San Jose, CA

Based in San Jose, CA, Kinetic Technologies manufactures families of isolated regulators, providing integrated power management solutions. These components feature internal feedback and true isolation within the package, enhancing accuracy for various DC-DC power conversion applications.

info@kinet-ic.com+14087469000

La Marche Manufacturing Company

lamarchemfg.com
Des Plaines, IL

Based in Des Plaines, IL, La Marche Manufacturing Company engineers and manufactures industrial power conversion solutions. Their offerings include durable battery chargers, UPS systems, and DC/DC converters, all fully engineered and manufactured in the United States to meet high industry standards.

sales@lamarchemfg.com+18479035281

Modular Devices, Inc.

mdipower.com
—

Modular Devices, Inc. manufactures high-reliability hybrid DC-DC converters. Specializing in Proton Rad Hard 100K+® converters, the company supplies power component solutions for demanding space and military power systems. MDI provides extensive product documentation and catalogs.

sales@mdipower.com+16313453100

Micross

micross.com
San Jose, CA

Based in San Jose, California, Micross specializes in designing and manufacturing ruggedized hermetic hybrid DC-DC converters. Their facility is DLA certified Class K, ensuring high reliability and performance for critical applications. They provide robust solutions for demanding industrial and defense sectors.

brad.dodson@micross.com+19362066935

Milpower Source

milpower.com
Belmont, NH

Based in Belmont, NH, Milpower Source manufactures military-grade, rugged DC-DC power supplies. They offer custom designs with output power from 50W to 2000W, providing robust power conversion solutions for air, ground, sea, and soldier applications. Their portfolio also includes AC-DC and DC-AC inverters.

sales@milpower.com+16032678865

Newmar Power

newmarpower.com
Huntington Beach, CA

Based in Huntington Beach, CA, Newmar Power is a manufacturer of robust DC power products. The company specializes in DC-DC converters, battery chargers, AC to DC power supplies, and power inverters, catering to marine, telecom, land mobile, and diverse industrial applications.

salesdpo@newmarpower.com+18008543906

Phoenix Contact

phoenixcontact.com
—

Based in Middletown, PA, Phoenix Contact is a manufacturer of industrial automation and electrical connection solutions. They specialize in designing and producing DC/DC converters, power supplies, and interface technology. The company serves diverse industrial and commercial sectors, offering high-quality components for robust electrical systems.

us-info@phoenixcontact.com+18008887388

Pico Electronics

picoelectronics.com
Pelham, NY

Based in Pelham, NY, Pico Electronics manufactures miniature and ultra-miniature DC to DC and AC to DC power supplies. They specialize in components like transformers and inductors for aerospace, military, and mission-critical applications, offering units up to 300W and 10,000V.

info@picoelectronics.com+18004311064

Polarity Inc.

polarity.net
Atlanta, GA

Based in Atlanta, GA, Polarity Inc. designs and manufactures high-reliability power systems. The company specializes in military high-power AC/DC to DC and high-voltage DC to DC converters. They fabricate unique power solutions for electronic warfare, radar, communication, and test equipment systems worldwide, serving the US military.

sales@polarity.net+19166353050

AMETEK Programmable Power

programmablepower.com
San Diego, CA

Based in San Diego, CA, AMETEK Programmable Power designs, manufactures, and markets precision AC and DC programmable power supplies. They also offer electronic loads and application-specific power solutions for various industries.

techsupport.ppd@ametek.com+18584500085

Qorvo

qorvo.com
—

Qorvo offers a wide range of high power buck and buck-boost DC/DC converters, alongside low power buck and boost models. These converters are designed to support input voltages from 2.7 to 40 V.

webmaster@qorvo.com+18336413810

Richardson Electronics, Ltd.

rell.com
—

Richardson Electronics, Ltd. provides engineered solutions, including power conversion and RF and microwave components. The company also offers customized display solutions and manufactures energy storage solutions for a sustainable future, serving various industrial clients globally.

sales@rell.com+16302082200

RRC Power Solutions

rrc-ps.com
Yorba Linda, CA

Based in Yorba Linda, CA, RRC Power Solutions manufactures DC/DC car adapters for automotive, truck, and marine applications. The company also specializes in standardized lithium-ion battery packs and multi-bay battery chargers, providing power solutions for professional and medical industries.

sales@rrc-ps.de+17147773604

SEC America

secamerica.com
South Burlington, VT

Based in South Burlington, VT, SEC America manufactures rugged DC-DC converters and sealed converters for demanding applications. They specialize in medium to high power solutions from 100-2000W, designed for harsh environments. All power conversion products are made in the U.S.A.

sales@secamerica.com+18028658388

Analog Technologies, Inc.

shop.analogtechnologies.com
San Jose, CA

Based in San Jose, CA, Analog Technologies, Inc. designs and manufactures DC-DC converters, including step-down and isolated power modules. They also provide high voltage power supplies, amplifiers, and laser drivers/controllers. Serving customers since 1997, the company specializes in advanced analog components for efficient design.

sales@analogti.com+14087489100

SynQor, Inc.

synqor.com
—

Based in Boxborough, MA, SynQor, Inc. designs and manufactures high-efficiency, high-reliability DC-DC power converters, AC-DC power converters, EMI filters, and power systems. They specialize in solutions for the military/aerospace, industrial, transportation, medical, and telecommunications markets, including military-grade and Mil-COTS DC-DC converters.

info@synqor.com+19788490600

T&C Power Conversion, Inc.

tcpowerconversion.com
Rochester, NY

Based in Rochester, NY, T&C Power Conversion, Inc. manufactures RF and DC power supplies, including DC generators and DC pulse power supplies. With over 25 years of experience, the company produces quality power products optimized for various industrial applications.

sales@tcpowerconversion.com+15854825551

Texas Instruments (TI)

ti.com
Sherman, TX

Texas Instruments manufactures a wide range of semiconductors, including integrated DC/DC converters and essential components like FETs and gate drivers. The company provides power management solutions, striving to make electronics more affordable and efficient through advanced integrated circuits. They offer designs and products that support reliable power conversion.

tihn.support@ti.com+19729952011

Torex USA Corp.

torex-usa.com
—

Torex USA Corp. specializes in manufacturing simple, cost-effective Point-of-Load (POL) DC/DC Converters. This US-based corporation provides essential electronic components for various applications. Demonstrating practical use in typical system designs, Torex delivers reliable power conversion solutions to B2B customers, focusing on quality and efficiency.

info@torex-usa.com+19492612022

Traco Power

tracopower.com
—

Based in Doylestown, PA, Traco Power specializes in manufacturing AC/DC and DC/DC converter solutions. They offer a comprehensive product range from 1 to 850 Watts, including power solutions specifically designed for medical applications that meet stringent 2xMOPP requirements.

marketing@tracopower.com+14089164570

TRI-MAG, LLC

tri-mag.com
Milwaukee, WI

Based in Milwaukee, WI, TRI-MAG, LLC is a DC converter manufacturer providing extensive options for various applications and industries. The company specializes in designing and manufacturing custom DC power converters tailored to precise client specifications, delivering versatile power solutions for diverse industrial needs.

sales@tri-mag.com+14146494200

Triad Magnetics

triadmagnetics.com
Perris, CA

Based in Perris, CA, Triad Magnetics offers custom design and manufacturing of power supplies and LED drivers. Leveraging expertise in magnetic components, they provide complete manufacturing capabilities for power conversion solutions, including those relevant to DC-DC converters. They serve commercial and industrial clients.

info@triadmagnetics.com+19512770757

TSI Power Corporation

tsipower.com
Austin, TX

TSI Power Corporation manufactures a range of electric power quality and power conversion solutions for various applications. Their product line includes automatic voltage regulators, isolation line conditioners, automatic transfer switches, and outdoor UPS systems. They serve industrial, telecom, and medical sectors with reliable power management products.

sales@tsipower.com+18008743160

TT Electronics

ttelectronics.com
—

TT Electronics designs and manufactures high-performance power modules for harsh environments. They specialize in high-reliability plastic and hermetic modules, offering bidirectional power conversion solutions. The company provides complex electronics manufacturing with a global footprint, serving medical and other demanding industries.

ir@ttelectronics.com+13713842396

TDK-Lambda Americas

us.lambda.tdk.com
Santa Clara, CA

Based in Santa Clara, CA, TDK-Lambda Americas specializes in the manufacturing of DC-DC converters. The company provides a broad range of commercial off-the-shelf power solutions, catering to various industry needs.

tla.powersolutions@tdk.com+18005262324

Vertiv

vertiv.com
Westerville, OH

Based in Westerville, OH, Vertiv manufactures and services critical infrastructure technologies for data centers, communication networks, and industrial facilities. They provide power, thermal, and infrastructure management solutions. This includes advanced DC power systems and conversion technologies designed to meet stringent requirements for telecommunications equipment, ensuring reliability and operational efficiency.

salescloudsupport@vertivco.com+16148880246

Vicor Corporation

vicorpower.com
Santa Clara, CA

Based in Santa Clara, CA, Vicor Corporation manufactures high-density, high-power DC-DC converters. They provide isolated regulated converters for standard industry input voltages, optimized for efficient 48V power delivery networks. Their solutions enable efficient conversion from high voltage to 48V, supporting 12V/48V compatibility.

custserv@vicorpower.com+18007356200

Wall Industries, Inc.

wallindustries.com
Exeter, NH

Based in Exeter, NH, Wall Industries designs and manufactures a full line of DC/DC converters and AC/DC power supplies. Since 1961, the company has provided standard, modified, and customized power solutions, with output power ranging from 1/2 to 1,500 watts, for industrial, military, medical, and robotics applications.

sales@wallindustries.com+18885979255

Weidmüller

weidmuller.com
Richmond, VA

Based in Richmond, VA, Weidmüller provides a wide range of DC/DC converters. The company offers customized solutions for various industrial applications, focusing on delivering specific products to meet client requirements for power conversion within diverse systems.

customerservice@weidmuller.com+18047942877

Wiener US (Kontron Springfield)

wiener-us.com
Springfield, OH

Based in Springfield, OH, Wiener US (Kontron Springfield) manufactures high-performance low and high voltage power supply systems and electronic chassis. They serve demanding scientific, industrial, and MIL/aerospace testing applications. The company specializes in robust, high-efficiency power solutions, including MIL STD compliant VPX Power Supplies for critical research.

sales.springfield@kontron.com+19373242420

Cincon Electronics

cincon.com
Ventura, CA

Based in Ventura, CA, Cincon Electronics manufactures DC/DC converters and AC/DC power supplies. The company provides power module solutions for various applications, producing durable and efficient power conversion products for industrial and commercial use.

emea@cincon.com

ETA-USA

eta-usa.com
Morgan Hill, CA

Based in Morgan Hill, CA, ETA-USA manufactures AC/DC and DC/DC power supplies and converters. With over 29 years of experience, the company provides power electronics solutions for industrial, medical, military, and transportation applications, offering commercial off-the-shelf, semi-custom, and fully customized products.

sales@eta-usa.com

Hitachi Energy

hitachienergy.com
—

Hitachi Energy provides innovative and secure energy services, including the construction of large-scale HVDC converter stations. Involved in major energy infrastructure projects like a 150 MW back-to-back converter station in Mission, Texas, the company demonstrates expertise in high-voltage DC conversion technologies.

tradecomplianceinquiry@hitachienergy.com

Lone Star Aviation

lonestaraviation.com
Mansfield, TX

Based in Mansfield, TX, Lone Star Aviation manufactures ruggedized DC-DC converters, including FAA-TSO and FAA-PMA certified down converters and multi-volt models. They provide electronic parts primarily for aircraft, rotorcraft, and military applications, enabling the operation of various electronic equipment in demanding aviation environments.

sales@lonestaraviation.com

NetPower

netpowercorp.com
Richardson, TX

Based in Richardson, TX, NetPower designs and manufactures high-efficiency, high-density DC-DC and AC-DC power converters. They offer open-frame and encapsulated modules ranging from sub 15W to over 1000W in various brick formats. The company provides isolated and non-isolated DC-DC converters, e-mobility solutions, and custom power supplies.

support@netpowercorp.com

Power Electronics

power-electronics.com
Houston, TX

Power Electronics manufactures advanced power conversion systems for renewable energy, electric mobility, and industrial automation. Their product range includes solar inverters, energy storage solutions, electric vehicle charging infrastructure, and frequency inverters. The company provides critical power electronics that transform and store energy for various applications.

1993sales@power-electronics.com

Progressive Dynamics

progressivedyn.com
—

Progressive Dynamics manufactures Inteli-Power Converters and AC/DC power distribution panels, featuring Charge Wizard battery charging systems. They specialize in compact all-in-one power solutions, supporting applications like lithium battery upgrades. The company offers a comprehensive parts store for their converter products, addressing various power management needs.

sales@progressivedyn.com

Wagan Tech

wagan.com
Cerritos, CA

Based in Cerritos, CA, Wagan Tech designs and manufactures portable power solutions, including a Dual-Input DC to DC Charger series. The company provides a range of products such as lithium portable power stations, power inverters, jump starters, and solar solutions, focusing on reliable power for auxiliary batteries and mobile applications.

customerservice@wagan.com

3D PLUS

3d-plus.com
Sunnyvale, CA

Based in Sunnyvale, CA, 3D PLUS manufactures radiation-tolerant Point-Of-Load (PoL) DC/DC Converters. These compact and reliable power solutions are specifically designed for demanding space applications, providing high performance for critical systems.

+15108245591

Aegis Power Systems, Inc.

aegispower.com
Murphy, NC

Based in Murphy, NC, Aegis Power Systems, Inc. manufactures custom and standard DC-DC power converters and power supplies for rugged industrial, commercial, and military applications. The ISO 9001:2015 / AS9100D:2016 certified company offers various voltage options and leverages over 25 years of experience.

+18288374029

Alpha

alpha.com
Bellingham, WA

Based in Bellingham, WA, Alpha manufactures fully integrated power system solutions. With decades of experience, the company provides standardized and custom DC power systems. Alpha designs and produces robust power electronics for various industrial and commercial applications.

+18003225742

Astrodyne TDI

astrodynetdi.com
Hackettstown, NJ

Astrodyne TDI, based in Hackettstown, NJ, specializes in manufacturing high-performance and cost-effective DC/DC power solutions. They provide advanced power conversion solutions for applications requiring efficient distributed power, serving industrial and commercial clients with their extensive expertise in power supply technology.

+19088505088

Bel Fuse

belfuse.com
—

Based in Glen Rock, PA, Bel Fuse manufactures a broad product line of DC-DC converters for various applications. Their offerings include low-power board mount Point-of-Load (POL) converters, high-power chassis mount converters, and railway cassettes, providing a variety of high-power solutions for industrial and commercial needs.

+12014320463

Tecknowledgey

defense.tecknowledgey.com
Peekskill, NY

Based in Peekskill, NY, Tecknowledgey manufactures highly-isolated miniature DC/DC converters, such as their XE1000 model. These components are ideal for defense and aerospace applications, serving OEMs of military land, air, and sea vehicles. Tecknowledgey is an ITAR registered and ISO9001:2015 certified manufacturer.

+19147394499

Diversified Power International, LLC.

dpipower.com
Piney Flats, TN

Based in Piney Flats, TN, Diversified Power International, LLC. manufactures rugged DC to DC converters in the USA. Their fully potted products are designed to withstand moisture exposure, shock, and vibration, ensuring reliable power solutions. The company also offers custom manufacturing, engineering, and fabrication services for tailored applications.

+18003345091

Dynapower

dynapower.com
Burlington, VT

Based in Burlington, VT, Dynapower manufactures power conversion systems, including bi-directional DC/DC converters. They specialize in custom engineered solutions for energy storage, hydrogen, e-mobility, and industrial applications, supporting resilient, clean energy initiatives.

+18028607200

Espey Mfg. & Electronics Corp.

espey.com
Saratoga Springs, NY

Based in Saratoga Springs, NY, Espey Mfg. & Electronics Corp. designs, develops, tests, and manufactures specialized power supplies and transformers. They provide highly reliable, Mil-SPEC compliant power conversion solutions for military and rugged industrial applications, handling a wide range of voltages and power levels from 20W to 300KW.

+15182454400

Jasper Electronics

jasperelectronics.com
Anaheim, CA

Based in Anaheim, CA, Jasper Electronics designs and manufactures custom DC power systems, including DC-DC converters and DC-UPS systems. The company specializes in specialty DC power sources for military, industrial, and commercial applications, such as traffic control, compact PCI, and medical power adapters. They are a vertically integrated manufacturer.

+12013850500

Marotta Controls, Inc.

marotta.com
Montville, NJ

Based in Montville, NJ, Marotta Controls, Inc. designs and manufactures advanced power electronics solutions for demanding space and aerospace customers. The company offers vertically integrated capabilities, encompassing design, development, testing, and manufacturing of innovative control solutions.

+19733347800

North Atlantic Industries

naii.com
Bohemia, NY

Based in Bohemia, NY, North Atlantic Industries designs and manufactures rugged COTS and modified COTS Military Power Supplies for Defense and Aerospace. They provide MOSA system solutions featuring configurable open systems architecture modules. NAI specializes in adaptable embedded systems, offering extensive modularity to meet diverse project requirements and mitigate redesign risks.

+16315671100

One-Cycle Control, Inc.

onecyclecontrol.com
—

One-Cycle Control, Inc. manufactures advanced power converters, specializing in bidirectional DC/DC converters. They utilize patented technology for ultra-fast and precise power conversion, offering modular and scalable solutions from kW to MW. The company provides custom design and high-volume manufacturing for critical infrastructure, data centers, transportation, and renewable energy applications, with products designed and made in the USA.

+19497270107

TRUMPower

trumpower.com
Santa Clara, CA

Based in Santa Clara, CA, TRUMPower manufactures high-quality AC/DC switching power supplies, DC/DC converters, and LED drivers. They provide a range of encapsulated and open frame power modules with various power outputs. The company primarily serves the medical equipment, instrumentation, ITE, and industrial sectors.

+14089886616

VPT, Inc.

vptpower.com
Blacksburg, VA

Based in Blacksburg, VA, VPT, Inc. designs and manufactures high-reliability DC-DC converters and power conversion solutions. The company serves demanding markets including avionics, military, space, and industrial applications, providing robust products engineered for harsh environments. They specialize in advanced power systems.

+14253533010

Advanced Energy Industries, Inc.

advancedenergy.com
—

Advanced Energy Industries, Inc. manufactures high-precision regulated DC-DC converters for demanding applications, capable of operating up to 60 kV. The company offers NeoPower™ configurable dual-output modules and provides tailored power supply performance through modified standard and custom solutions.

No contact on file

Analog Devices

analog.com
—

Analog Devices, based in Wilmington, MA, manufactures high-performance integrated circuits, including true buck/boost synchronous DC-to-DC converters. These advanced converters incorporate unique internal four MOSFET switch combinations, providing robust power management solutions for industrial and commercial applications.

No contact on file

BorgWarner Inc.

borgwarner.com
—

BorgWarner Inc. designs and manufactures advanced systems for the automotive and mobility industry. Their portfolio includes a comprehensive range of power electronics, inverters, battery chargers, and DC/DC and DC/AC converters, along with electronic controls, for global applications.

No contact on file

Delta Americas

delta-americas.com
Fremont, CA

Based in Fremont, CA, Delta Americas specializes in manufacturing a broad range of standard off-the-shelf DC/DC and AC/DC power products. Their offerings cover a wide spectrum of popular requirements, with power outputs ranging from 1W to 3000W for various applications.

No contact on file

Frontgrade Technologies

frontgrade.com
Colorado Springs, CO

Frontgrade Technologies manufactures efficient, isolated step-down DC-DC converters, including 50-Watt models. Their advanced technology is designed to perform reliably in harsh conditions for demanding applications across space, air, land, sea, and medical industries.

No contact on file

FSP Group USA

fspgroupusa.com
Chino, CA

Based in Chino, CA, FSP Group USA manufactures a comprehensive range of industrial power supplies, offering reliable and safety-approved solutions. They cater to applications driven by 5G, IoT, smart surveillance, and edge computing, providing essential power transmission technologies. Their expertise includes various power conversion solutions.

No contact on file

Leonardo DRS

leonardodrs.com
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Leonardo DRS manufactures high-reliability military power supplies, which inherently include or are DC-DC converters, specifically engineered for demanding marine and land platforms. The company provides specialized power solutions for critical defense and commercial applications.

No contact on file

OmniOn Power

omnionpower.com
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OmniOn Power specializes in power conversion products and services for mission-critical technologies. The company manufactures DC/DC Bus Converters, including its Osprey-Series for AI applications, addressing the energy needs of data centers. They focus on providing robust power solutions.

No contact on file

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How to Choose a Company

  • Verify their proven track record in EMI/EMC mitigation by requesting detailed test reports for conducted and radiated emissions (e.g., CISPR 32/EN 55032) relevant to the switching frequency of their converters in similar applications.
  • For applications requiring specific safety or reliability, such as medical devices, demand evidence of compliance with IEC 60601-1 (for 2xMOPP) or robust qualification processes meeting MIL-STD-810 environmental standards for ruggedized deployments.
  • Scrutinize their thermal derating curves and request performance data under your exact ambient temperature, airflow, and input voltage conditions; a lack of transparent, application-specific thermal analysis is a significant red flag.
  • Beware of manufacturers who cannot clearly articulate their process for validating MTBF (Mean Time Between Failures) using methodologies like Telcordia SR-332 or MIL-HDBK-217, as this often indicates a weakness in component selection or reliability engineering.
  • Assess their capability to customize beyond standard catalog modifications, such as altering the input voltage range, fine-tuning output isolation levels, or integrating specific soft-start/soft-stop functionalities tailored to your system's power sequencing needs.

Frequently Asked Questions

How do dc dc converter manufacturers address EMI/EMC challenges in complex electronic systems?

Leading manufacturers don't just provide a compliant converter; they offer design guidance for optimal PCB layout, advise on external filtering components, and can often perform pre-compliance testing to ensure the integrated system meets stringent conducted and radiated emissions standards like FCC Part 15 or EN 55032.

What are the critical considerations for specifying output isolation in dc dc converters?

Output isolation is crucial for safety, noise reduction, and breaking ground loops. Key considerations include the required isolation voltage, basic vs. reinforced isolation (e.g., for medical applications), creepage and clearance distances, and capacitance across the isolation barrier, all of which impact safety compliance (e.g., UL, IEC 60601-1) and common-mode noise rejection.

How do manufacturers validate a dc dc converter's thermal performance for my specific enclosure?

Reputable manufacturers will request your system's thermal specifications, including maximum ambient temperature, available airflow, and mounting orientation. They should then provide detailed thermal simulations or even conduct application-specific thermal characterization to generate accurate derating curves, ensuring the converter operates reliably without exceeding component junction temperatures.

When is a custom dc dc converter solution justified over a standard COTS module?

A custom solution becomes compelling when COTS modules fail to meet critical, non-negotiable parameters like extremely high power density in a unique form factor, specific input voltage ranges not commonly available, ultra-low ripple voltage requirements for sensitive analog circuits, specialized transient response, or when long-term supply chain stability and obsolescence management for a proprietary design are paramount.

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