Voltmat Power
Voltmat Power
Engineered with adjustable DC voltage ranges, high operational efficiency, and built-in protection loops to safeguard critical downstream loads.
An engineering guide to choosing high-voltage, high-efficiency DC regulated power supplies for mission-critical industrial applications.
Global procurement teams struggle to source industrial DC power supplies that offer both fine resolution control and long-term operating durability. Issues such as voltage ripple under maximum dynamic load, power factor degradation, and premature thermal shutdown can cause production delays in manufacturing cells.
By shifting to an OEM/ODM partnership model, system engineers can customize thermal management thresholds, integration interfaces (RS485, Modbus, CAN Bus), and overload protection characteristics tailored to unique regional grids.
Our power topologies leverage Phase-Shifted Full-Bridge (PSFB) and LLC resonant conversion circuits. Operating at switching frequencies from 50 kHz to over 100 kHz, these layouts reduce overall filter stage footprint while keeping electromagnetic interference (EMI) profiles low.
Using silicon carbide (SiC) Schottky diodes and high-performance MOSFET configurations, we push switching efficiencies to 88-89%, lowering overall waste heat and preventing early degradation of internal capacitor banks.
Constant current performance relies on dynamic feedback tracking. Our design monitors changes in load impedance, switching control gates in microseconds to prevent overcurrent excursions.
Built-in protective loops include:
• Overvoltage Protection (OVP)
• Overcurrent Protection (OCP)
• Over-Temperature Protection (OTP)
• Input Under-Voltage Lockout (UVLO)
| Application Parameter | Standard Constant Current (CC) Supply | High-Stability Custom Switching Supply (VoltMat) | Impact on B2B Integration Operations |
|---|---|---|---|
| Input Regulation Precision | ±1.5% to ±2.0% input deviations | ±0.5% (Closed-loop DSP feedback) | Eliminates output drifts caused by unstable input grids. |
| Full-load Efficiency | ~78% to 82% (Standard topology) | 88% - 89% (Optimal SiC design) | Reduces operational thermal footprint, lowering facility cooling costs. |
| Ripple & Noise (RMS) | <1.5% Vp-p under load transients | <0.5% Vp-p for precision testing | Improves measurement accuracy in sensitive lab environments. |
| Transient Response Time | >5.0 ms recovery speed | <1.0 ms (Active feedback damping) | Safeguards delicate semiconductor dies during power cycle testing. |
Located in Shanghai with convenient export access, our 10,000 square meter factory combines skilled technicians with modern automated assembly steps for stable, reliable output.
We are located in Shanghai, making product exports simple, fast, and convenient. The company has a professional production factory of 10,000 square meters. I have been specializing in high-power regulated power supplies for 15 years. Excellent after-sales service enterprise in Shanghai. Professional production of stabilized voltage power supply for 15 years. Each product undergoes two rounds of computer and manual testing before leaving the factory, with a product qualification rate of up to 99.9%. The product is transported through moisture-proof packaging (to avoid moisture damage to electronic components), shock absorption (to avoid vibration damage to electronic components during transportation), cardboard boxes (delicate protective cardboard boxes), and wooden frames (reinforced again to ensure transportation safety). High quality and affordable prices, ensuring peace of mind when making purchases.
Wire Cutting
Plug-In
Soldering Tin
Test
Glue Filling
Burn-In Test
Packaging
Winding Machine
Wire Cutting Machine
Automatic Soldering Machine
Laser Engraving Machine
Canning machine
Assembly Line
DC Power Supply Tester
AC Withstand Voltage Tester
Constant temperature chamber
Optical microscope
Aging test
Design Office
How we design custom power systems to meet demanding electrical loads across industrial sectors.
Our engineers focus on improving power density and adding digital control interfaces. The technology roadmap targets integration with Wide-Bandgap (WBG) materials like gallium nitride (GaN) and silicon carbide (SiC) to reduce overall unit volume.
Additionally, we are upgrading analog control setups to digital signal processor (DSP) designs. This switch enables real-time tuning of PID filters, allowing engineers to configure recovery loops for custom reactive loads via software.
Deploying equipment internationally requires strict adherence to safety standards. Our manufacturing processes follow standards such as:
• EN 61000-6-2 / EN 61000-6-4 (EMC in heavy industrial settings)
• UL 62368-1 (Electrical safety standards)
• CE and RoHS compliance
We work directly with certified testing laboratories to ensure every OEM design matches compliance rules for the destination market, simplifying international import and installation.
Whether for large-scale electroplating, EV battery simulation, or laboratory stress-testing, custom power outputs are essential. For example, our 24,000W adjustable switching power supplies run in parallel configurations to handle high-current electroplating baths with low voltage ripple.
Similarly, automotive test benches use our 500V to 800V high-voltage DC units to safely simulate battery charging profiles, ensuring exact current regulation under dynamic load transitions.
Expert answers to common engineering and sourcing questions about custom constant current power systems.
A Constant Voltage (CV) supply maintains a set voltage regardless of load changes, adjusting current dynamically. In contrast, a Constant Current (CC) supply maintains a set current output as load resistance changes, dynamically adjusting the output voltage. Our switching power supplies support automatic crossover, switching between CC and CV depending on your load limits.
We use a strict two-stage quality test process at our Shanghai plant. First, automated computer testing verifies parameter accuracy across operating limits. Second, manual quality technicians conduct load profiling, heat cycling, and high-voltage isolation tests on every unit before shipment, ensuring reliable operation out of the box.
Yes. Our OEM/ODM customization services include conformal coating, component potting/glue filling, and special fan cooling systems designed for high-humidity and corrosive environments. We test these designs inside environmental chambers to verify long-term performance under demanding operating conditions.
We offer standard analog programming interfaces (0-5V or 0-10V signals) along with optional digital options. Supported protocols include RS485, RS232, Modbus-RTU, and CAN Bus, allowing integration with PLCs, PC-based test software, and automated production controllers.
We use a robust four-layer packaging method: moisture-proof wrapping to protect electronic components, custom shock-absorbing foam inserts, heavy-duty cardboard boxes, and reinforced external wooden frames. This protection minimizes transport risks, ensuring your power supplies arrive in perfect working order.
Explore our highly reliable, single-output switching power systems designed for heavy-duty DC motors, battery testing, and industrial electronics.
