Custom Power Conversion Systems
Unparalleled Efficiency & Performance
Marotta’s award-winning, patented power supply and conversion technologies are customized to meet the challenging requirements of commercial and military platforms. Our dedicated and highly experienced power electronics engineers design power conversion systems that optimize the system envelope and provide our customers with a smaller, lighter and economical solution.
Examples of our custom power conversion systems components are AC/DC and DC/DC power conversion, integrated power conversion and distribution, and miniaturized power distribution units for tactical applications. No matter their configuration or function, everything we produce in this category features the same characteristics that make them indispensable in a wide range of applications. Built on a foundation of innovative technology, these compact power conversion units are extremely efficient, reliable and are designed to perform in challenging environments in which precision and durability are mission critical.
We create high-efficiency power conversion solutions that include power supplies for high-volume missile programs, electronic controls for next-generation aircraft and high-performance power distribution systems for use in hypersonic vehicles.
- Missile Avionics
- Launcher Weapons Interface
- Bomb Rack Weapons Interface
- Control Actuation Systems
- UAV Guidance and Control
- Radar Systems
- Electronic Warfare Systems
- Shipboard Electronics
- Commercial Aircraft
- Military Aircraft
Power Converters
- AC/DC Converters
- DC/DC Converters
- COTS & MOTS
- Integrated Converter/SPDU Packages
- 500 W to 11.2 kW Modules
Conversion Topologies
- 1-STEP AC-DC Conversion
- Flyback
- 2-Switch Forward
- Buck, Tapped Buck
- Interleaved Modules
- ZVS Phase Shifted Bridge
- Buck & Boost
- Passive & Active PFC
- Synchronous Rectification
- Inrush Control
- Soft-start Control
Component Technologies
- Silicon Carbide MOSFETs
- GaN FETs
- IGBTs
- Silicon MOSFETs
- Amorphous Magnetics
- In-house Magnetics Design including Nanocrystaline Materials
- High Performance Film & Electrolytic Capacitors
- Rugged Sheet Metal
- Thin Wall Enclosures
- Rigid & Rigid-flex Circuit Card Assemblies
Design Advantages
Marotta’s power conversion solutions are engineered to maximize power density, efficiency, and reliability within tightly constrained aerospace and defense platforms. Leveraging patented technologies such as our 1-STEP AC-DC architecture and advanced silicon carbide (SiC) and GaN-based designs, our systems achieve 92%–98% efficiency while maintaining EMI/EMC compliance and robust performance under extreme temperature, vibration, and shock conditions. Integrated conversion and distribution architectures further reduce system complexity and support advanced digital control and telemetry requirements for next-generation mission systems.
- EMI/EMC Mitigation
- Silicon Carbide & GaN Design
- Output Current Overload Capability
- Can Bus, RS422, Ethernet, MIL-STD-1553
- Built-in-Test
- Over/Under Voltage Protection
- Output Current Limiting
- Rigid & Rigid-flex PWB
- High Efficiency: 92% – 98%
- Conduction, convection, cooling, or
- Forced air & liquid cooling
- Over Temperature Protection
- Short Circuit Protection
- Status Telemetry
- High Temperature Protection
- MCU & FPGA Digital Controls
- DO-160 & MIL-STD Requirements
- Safety Lockouts
- Linux based SNMP/MIB protocols
- Information Assurance
Power Conversion Units
Multi-Output DC/DC Converter
- Compact, single board design
- Variety of circuit topologies
- Tri-converter regulated outputs
- Over & under voltage input protections
Fill out the form below to download PS170
3-Phase AC/DC Converter
- Compact design
- Conversion from 3-phase power to 135 VDC
- Two 28 VDC power conditioners
- Conduction cooled
- 14W/cubic inch power density
- >92% efficiency
Fill out the form below to download MPS
3-Phase AC to 28 VDC Converter
- 3-phase 400 Hz, 115VAC input
- 90% efficiency
- Passive PFC, near unit PF above 50% load
- Operation up to 195° F
- 28VDC 1350W steady state
- ZVS phase shifted full bridge isolated DC/DC
Fill out the form below to download PS1350
1-STEP AC-DC Power Conversion
Our patented 1-STEP technology is revolutionizing power conversion hardware with an innovative circuit solution that uniquely achieves 3-phase active power factor correction, power regulation and electrical isolation in a single conversion step .
- Near unity power factor
- <2% total harmonic distortion
- Modular design
Power Distribution Units
High Density Power Distribution
- 18 current limited power outputs
- Single integrated rigid flex assembly
- 28V & 270V or +/- 135VDC inputs
- High voltage to 28VDC converters
- Additional down converters
- < 2 lbs
- Conversion, distribution & control in one unit
Fill out the form below to download PDU300
Compact Power Distribution
- Switchable 28V power from 28VDC
- Digital control by vehicle computer
- Compact, low weight
- Built-in-Test provides system status
- Flexible digital serial link type
- Up to 180° F (82° C) operating temperature