PCB Mount Power Supplies Engineered in the USA Since 1961

1. Wide Bandgap Semiconductors (GaN & SiC)

The integration of Gallium Nitride (GaN) and Silicon Carbide (SiC) switching transistors directly into board-mount power modules represents a major leap forward in volumetric power density. By increasing switching frequencies from traditional 100-300 kHz ranges up to 1-3 MHz, engineers can shrink internal planar transformers and filter inductors by up to 60%. This yields ultra-compact PCB mount AC/DC modules capable of delivering 100W within footprints previously limited to 30W designs, all while achieving operational efficiencies exceeding 94%.

2. Advanced Thermal Packaging & Potting Synthetics

As board-level power densities climb, thermal management in convection-cooled or fanless enclosures becomes a primary bottleneck. Future-proof PCB mount power supplies leverage specialized thermally conductive potting resins (featuring silicone-free polyurethanes and ceramic-filled epoxies with thermal conductivity >2.5 W/m·K). These materials effectively bridge component hot spots to external aluminum baseplates, enabling reliable continuous operation at elevated ambient temperatures without acoustic fan noise or dust ingress risks.

3. Digital Telemetry & Smart PMBus Integration

Next-generation industrial automation, 5G infrastructure, and autonomous robotics demand real-time diagnostics at the power rail level. Modern high-power PCB mount converters are increasingly equipped with digital control loops and PMBus/I2C communication interfaces. This allows host microcontrollers to dynamically monitor real-time operating voltage, output current draw, internal module temperature, and predictive fault indicators, enabling preventative maintenance before system breakdown occurs.

4. Ultra-Wide 8:1 Input Voltage Architectures

Driven by smart grid electrification and multi-battery industrial fleets, PCB mount DC/DC converters are transitioning from standard 2:1 and 4:1 wide input ranges to ultra-wide 8:1 and 12:1 input capabilities (handling 9VDC to 75VDC or 14VDC to 160VDC in a single module). This technological evolution eliminates the need for multiple converter SKUs across diverse global battery standards, streamlining inventory management and preventing destructive voltage spike damage.

Since 1961, Wall Industries, Inc. has stood at the forefront of power conversion engineering in Exeter, New Hampshire. Our core competency lies in delivering tailored, high-reliability power solutions where off-the-shelf catalog units fall short. We maintain an extensive portfolio of over 3,000 standard power platforms while providing agile custom and modified-standard engineering services for demanding OEM applications.

Our engineering team applies time-tested, robust topology principles—including isolated flyback, forward, LLC resonant, and push-pull configurations—ensuring your system achieves regulatory compliance and qualification on schedule. We work hand-in-hand with your design team from initial electrical specification drafting through rapid prototype turnaround and high-volume manufacturing release.

Whether your project requires complex multi-output PCB DC/DC converters, extreme temperature derating (-55°C to +125°C), specialized conformal coating, or high-dielectric patient isolation, Wall Industries provides direct engineer-to-engineer support. We protect customer intellectual property with strict confidentiality and maintain transparent, long-term supply chain partnerships.

By pairing proven US-based design engineering with flexible manufacturing capabilities, Wall Industries guarantees that your power delivery architecture is optimized for performance, longevity, and overall cost-efficiency.