Power Systems

Power Conversion

Custom Power Conversion Solutions

Unparalleled Efficiency & Performance

Marotta’s award-winning, patented power supply and power conversion technologies are customized to meet the challenging requirements of commercial and military platforms. Our dedicated and highly experienced electronics engineers design solutions that optimize the system envelop and provide our customers with a smaller, lighter and economical solution.

Applications

  • 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

Featured Article

Power Converters

  • AC/DC Converters
  • DC/DC Converters
  • COTS & MOTS
  • Seconday SSPC Power Distribution
  • Miniturized Power Distribution
  • Integrated Converter/SPDU Packages
  • 500 W to 11.2 kW Modules
  • Starter Generator Control Inverters

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
  • Softstart 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 & Rigidflex Circuit Card Assemblies

Design Advantages

  • EMI/EMC Mitigration
  • Silicon Carbide & GaN Design
  • Output Current Overload Capability
  • CanBus, RS422, Ethernet, 1553
  • Built-in-Test
  • Over/Under Voltage Protection
  • Output Current Limiting
  • Rigid & Rigidflex PWB
  • High Efficiency: 92% – 98%
  • Conduction, convection
  • 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
  • SBC/Linux/G-Enet/SNNMP/ MIB Secure Controls

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
Download Datasheet

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
Download Datasheet

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
Download Datasheet

Fill out the form below to download PS1350

1-STEP AC-DC Power Conversion

Our patented 1-STEP technology is revolutionizing power conversion 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

18 Output Power Distribution

  • 18 current limited power outputs
  • Single integrated rigid flex assembly
  • 28V & 270V or +/- 135VDC inputs
  • < 2 lbs
  • Conversion, distribution  & control in one unit
  • MIL-STD-1760 power interrupt hold up capacitor
Download Datasheet

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
Download Datasheet

Fill out the form below to download PDU100_200