VPX55HS

800 Watt DC/DC Converter, 3U VPX, SOSA™

VPX55HS – Rugged 800W DC/DC Power Supply

The NAI VPX55HS delivers 800 Watts of reliable, high-performance DC/DC conversion in a compact 3U VPX package. Built for aerospace, defense, and industrial applications, it integrates seamlessly into VITA 62 conduction-cooled chassis and is engineered to perform under the most demanding conditions.

Aligned with SOSA™ technical standards, the VPX55HS ensures long-term system compatibility and simplified integration. Advanced features—including continuous Background Built-In-Test (BIT), I²C communication, and dual IPMC buses—provide real-time monitoring, built-in redundancy, and early fault detection to maximize mission uptime. Comprehensive protection against transients, overloads, and extreme environments further enhances reliability.

With its proven rugged design and advanced system management capabilities, the VPX55HS offers a trusted, off-the-shelf power solution that reduces program risk and ensures consistent performance when failure is not an option.

Features

• +28 Vdc input optimized for aerospace and defense platforms
• Flexible output configurations, including standard six outputs and SOSA™-aligned +12V-only options
• Current Share capability for scalable, parallel power distribution
• Rugged VPX-compatible connectors for reliable operation in harsh environments
• VITA 46.11 System Management Bus and VITA 62-compliant I/O for seamless system integration and control
• Integrated IPMC with dual IPMB-A/B buses for resilient, redundant management
• Input transient protection per MIL-STD-704
• Integrated EMI filtering per MIL-STD-461
• Environmental testing to MIL-STD-810 and VITA 47 for proven durability in demanding conditions
• -40°C to +85°C operating temperature range for reliable performance in extreme environments