High Voltage DC-DC Converter

High Voltage DC-DC Converter

High Voltage DC-DC Converter

(Input 400-800v; Output 28v; 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

HV DC-DC Converter

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 convection cooling.

High Efficiency

Delivering 97% 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


Input Voltage
Output Voltage Regulation
28 ± 0.5Vdc (nominal, can be set)
Output Ripple Voltage <1.0V peak mean and mean valley
Maximum Current 140 A
Output Power 4kW (parallel capable to increase power output
Operating Temperature -40°C to +70°C
Over Voltage Limit Settable
Over Current Limit Settable
EMI Filter D0-160, Section 21, Cat. M
Cooling Method Conduction, fan or liquid


Weight 6 lbs (depends on cooling method selected
Environmental Protections D0-160G
Dimensions 11.5" x 6.2" x 2"
Mounting Face Temperature ≤ +90°C
Converter Efficiency 97% at full load

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