Premium OEM solutions featuring high power density, variable regulated outputs, and robust active component safety configurations.
Modern industrial electrical infrastructures rely heavily on the integrity of modular power converters. Modularity represents more than just packaging; it is a system-level strategy that guarantees scalability, high serviceability, and fault tolerance.
Modular converters are engineered to operate either autonomously or in parallel configuration groups. This is typically achieved using active load sharing controllers that balance thermal strain across discrete modules, dramatically extending the Mean Time Between Failures (MTBF).
By utilizing advanced topologies such as Phase-Shifted Full-Bridge (PSFB) and Resonant LLC structures, our custom-designed units achieve high switching efficiency while minimizing electromagnetic interference (EMI). This efficiency reduces the overall thermal footprint, enabling high power density form factors ideal for space-critical applications.
Engineered to deliver clean, ripple-free power, our modular conversion units provide optimal safety across harsh operating conditions.
Integrates dynamic power factor correction values above 0.99, reducing harmonics deformation and ensuring full compliance with EN 61000-3-2 industrial input guidelines.
Robust sealing technology protects critical topologies against moisture, dust ingress, and thermal stress, providing safe, high-voltage separation.
Active, latching defense mechanisms against Output Overvoltage (OVP), Overcurrent (OCP), Short Circuit (SCP), and Over-temperature (OTP) conditions.
| Converter Topologies | Common Input Configuration | Nominal Output (V/A) | Efficiency Ratings | Primary Industrial Applications |
|---|---|---|---|---|
| High Power AC to DC Switchers | 100-240 VAC Auto-Range | 36VDC / 2000W Peak | Up to 94.5% | Heavy automation, servo drives, test racks |
| Non-Isolated Buck-Boost Modules | 9 - 36 VDC Wide Range | 12VDC / 3A Regulated | Up to 91% | Automotive telemetry, sensor power, marine |
| High-Voltage Isolated DC-DC | 48V / 60V / 72V / 80V DC | 12VDC / 60A (720W) | Up to 93% | Electric vehicles, golf carts, railway systems |
| Precision Programmed Chargers | 110V / 220V Dual Switch | Multi-profile 12V to 72V | Up to 95% | LiFePO4, Li-ion, lead-acid smart battery packs |
Custom power conversion is rarely a one-size-fits-all discipline. Different operating environments present unique challenges like high ambient temperatures, vibration, and supply line fluctuations.
In EV structures, rugged DC-DC converters step down traction battery voltages (48V–80V) to stable 12VDC or 24VDC levels. This ensures reliable operation for critical loads like vehicle lights, communication modules, audio setups, and safety logic controls.
Different chemistries (such as Lithium-Ion, LiFePO4, and traditional Lead-Acid) require specific charging algorithms. Wemaxpower's customized solutions feature intelligent CC/CV (Constant Current/Constant Voltage) transition nodes that prevent thermal runaway while optimizing battery life.
For manufacturing validation, labs require variable regulated outputs up to 600VDC. Our programmable switching units use active control loops to provide low-ripple output profiles under dynamic loads.
Operating out of Shenzhen, the world's leading electronic manufacturing hub, Wemaxpower leverages a highly integrated component supply chain to deliver high-quality products with short lead times.
Wemaxpower Technology Co., Ltd. specializes in design and manufacturing, with 7 years of deep industry expertise. Our catalog spans programmable DC power supplies, high-efficiency DC-DC converters, and modular power conversion systems designed for demanding international markets.
To guarantee reliability in harsh applications, all custom OEM units undergo a strict 4-step quality control process before shipment:
Screening of passive components, inductors, diodes, and semiconductor chips to verify specification tolerances.
In-circuit testing (ICT) of populated PCBs to verify control loops and gate driver waveforms prior to potting.
Full functional validation, testing line/load regulation, active safety triggers, and ripple margins.
Accelerated burn-in testing under full load and thermal stress to weed out infant mortality failures.
Our experienced factory team uses automated equipment and strict testing protocols to deliver quality-guaranteed orders.
The power electronics industry is transitioning toward wider bandgap semiconductors, higher switching frequencies, and compact integration.
The Silicon Carbide (SiC) and Gallium Nitride (GaN) Revolution: Traditional silicon-based MOSFETs are reaching their theoretical limits for thermal conductivity and frequency. Wemaxpower is developing next-generation OEM modules using SiC and GaN platforms. These materials feature higher breakdown voltages and lower switching losses, enabling converters to operate at higher frequencies with smaller magnetic footprints.
Bidirectional Conversions for Smart Microgrids: Modern power architectures require bidirectional capabilities to feed stored energy from vehicle fleets back into local microgrids (V2G - Vehicle-to-Grid). Our engineering team is currently prototyping dynamic, bidirectional DC-DC designs that maintain over 96% efficiency in both directions.
Digital Control and Predictive Maintenance: Incorporating high-speed microcontrollers allows converters to perform real-time diagnostic checks. By tracking core temperatures, output ripple, and input transient currents, our future modules will predict component wear and communicate status over CAN bus networks before failures occur.
Premium OEM solutions featuring high power density, variable regulated outputs, and robust active component safety configurations.
Expert engineering insights regarding installation safety, custom topologies, and operation limits.
Galvanic isolation prevents ground loops and blocks high-voltage transients from feeding back into sensitive low-voltage control circuits. By using high-frequency magnetic transformers instead of shared ground planes, isolated converters shield control microcontrollers and telemetry nodes from electromagnetic interference and voltage spikes, ensuring system reliability.
Active PFC shapes the input current waveform to match the phase of the AC mains voltage. This increases electrical efficiency (PF > 0.99) and minimizes harmonic distortion on the grid. Consequently, industrial facilities can operate high-power equipment without triggering breakers or violating strict utility requirements like EN 61000-3-2.
IP67 power modules use specialized thermally conductive potting compounds to transfer heat directly from internal components to an outer aluminum heatsink. This design seals out moisture and dust while utilizing conduction and natural convection cooling to maintain stable internal temperatures without relying on vulnerable mechanical fans.
Yes, through our custom OEM services, we program smart battery chargers with tailored CC/CV (Constant Current/Constant Voltage) profiles, charge termination thresholds, and temperature compensation values. This prevents overcharging and aligns perfectly with your battery pack's BMS parameters to maximize cell cycle life.
Wemax Power