High Voltage DC-DC Converter

High Voltage DC-DC Converter

High Voltage DC-DC Converter

(High Power 4kW)

Multi-platform. Multi-market. Multi-use.

Crane A&E’s new High Voltage DC-DC Converter provides customers an innovative, unmatched power conversion solution. Crane A&E has used its more than 60 years of electrical power expertise to develop a one-of-a-kind, highly-efficient, high-power density DC-DC power converter. Crane A&E’s new converter is engineered to support multiple power sources and cooling options to meet and exceed customer demand.

Engineered for Multiple Platforms and Power Sources

High Voltage DC-DC Converter Graphic

Features and Benefits


Supports Multiple Markets, Multiple Platforms

From large commercial aircraft to eVTOLs and military ground vehicles, Crane A&E’s High Voltage DC-DC Converter offers a wide input range and supports traditional, hybrid-electric, all-electric, and hydrogen fuel cell power sources.

A Power System’s Building Block

Crane A&E’s versatile High Voltage DC-DC Converter offers customers a true electrical power system building block. With tremendous flexibility, our new 4kW power converter can be paralleled to match customer needs. The converter’s cooling modules also support liquid, fan or conduction cooling.

High Efficiency

Delivering greater than 96% efficiency, our High Voltage DC-DC Converter packs tremendous power into a small package to enable a light, sustainable, and quieter aircraft.

Building Upon A Rich Legacy of Electrical Power Solutions

With more than 60 years of experience, Crane A&E is an industry leader in providing electrical power solutions to a global customer base. We push the boundaries of innovation in order to meet our customer’s needs. Our new High Voltage DC-DC Converter builds upon our rich history in power conversion technology and delivers customers a one-of-a-kind solution.

Performance Summary


  Prototype Production
Input Voltage
Output Voltage Regulation
28 ± 0.5Vdc (nominal, can be configurable)
Output Ripple Voltage <1.0V peak mean and mean valley 28 ± 0.5Vdc (nominal, can be configured)
Maximum Current 143 A 143A
Output Power 4kW (parallel capable to increase power output 4kW (parallel capable to increase power output)
Operating Temperature -45°C to +55°C -45°C to +70°C
Over Voltage Limit Configurable Configurable
Over Current Limit Configurable Configurable
EMI Filter D0-160, Section 21, Cat. M D0-160, Section 21, Cat. M
Cooling Method Conduction, Self or liquid Conduction, Self or Liquid


  Prototype Production
Weight 5.1 lbs (depends on cooling method selected) 6.9 lbs (depends on cooling method selected)
Environmental Protections D0-160G D0-160G
Dimensions 12.24" x 6.04" x 1.525" (depends on cooling method selected) 12" x 7" x 2.3" (depends on cooling method selected)
Mounting Face Temperature ≤ +90°C ≤ +90°C
Converter Efficiency >=96% >=97% for Conduction and Liquid cooled

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