Buck-Boost
12V 24V to 13.8V 10A Step up Down Dc Dc Converter Voltage Stabilizer
- Topology: Buck-Boost SMPS
- Input Range: 9V–36V DC
- Stabilized Output: 13.8V DC / 10A
- Protection: IP67 Alloy Sealed
>94%
Peak Energy Efficiency
Catalog Overview
High-Efficiency Conversion Topologies for Iberian Integrators
Reliable switch-mode rectifiers, rugged step-up/down buck-boost converters, and specialized inverters compliant with CE, RoHS, and European EMC Low Voltage Directives.
Step-Down
AC 24V to DC 5V 3A Buck Converter Voltage Regulator Power Supply Waterproof Module for Car
- Conversion: AC-DC Step Down
- Input: AC 16V–28V
- Regulated Output: 5V DC / 3A (15W)
- Form Factor: Potted Waterproof
Pure Sine
Portable Car Inverter 300W 12V 24V 48V to 110V 220V Pure Sine Wave DC to AC Power Inverter for Car Home Use
- Output Wave: THD < 3% Pure Sine
- Input Voltage: 12V / 24V / 48V DC
- AC Output: 220V/230V 50Hz EU
- Peak Power: 600W Surge Margin
AC-DC Buck
10~26VAC to 5V 3A 5A AC DC Buck Step Down Voltage Power Converter
- Input Window: 10VAC–26VAC
- Output: 5V DC (3A–5A Options)
- Thermal Mgmt: Silicone Potted
- Ripple/Noise: < 50mVp-p
Wide Input
DC-DC Voltage Converter Made in China 9-32VDC to 12VDC 12A 144W Step up Down Converter
- Power Rating: 144 Watts Continual
- Operating Range: 9V–32V Ultra-Wide
- Nominal Output: 12V DC / 12A
- Efficiency: Up to 95.5%
Industrial
Buck & Boost 8-40V to 13.8V 5A Step up Voltage Dc-dc Converter
- Dynamic Range: 8V–40V DC
- Output: 13.8V DC / 5A (69W)
- Dielectric Proof: 1500VDC Isolation
- Enclosure: Die-Cast Aluminum
Step-Down
Buck Converter DC-DC 8-35V 12v to 7v 5A Step Down Power Supply Module
- Voltage Reduction: 8V–35V to 7V DC
- Continuous Amps: 5 Amperes Max
- Thermal Dissipation: Convection Fin
- Switching Freq: 150kHz PWM Fix
E-Mobility
YUCOO 24V(10-32VDC) to 24V Dc to Dc 5A 120W Converter for Golf Carts Forklifts
- Designed For: Forklifts & AGVs
- Input Dynamic: 10V–32V DC
- Stabilized Out: 24V DC / 5A (120W)
- Anti-Vibration: Heavy Industrial Std
Target Market Architecture
Catalonia's Industrial Ecosystem: Strategic SMPS Applications
Barcelona stands as a global hub for smart city initiatives, green mobility, and automated logistics. Our high-reliability switch mode power supplies solve exact field challenges across the Mediterranean industrial belt.
Maritime & Automated Container Terminals
The Port of Barcelona's BEST (Barcelona Europe South Terminal) requires semi-automated cranes, shore-to-ship connection panels, and AGVs that withstand saline Mediterranean air, heavy vibrations, and erratic auxiliary supply lines. Our IP67-rated, wide-input buck-boost converters and heavy-duty rectifiers guarantee zero downtime across telemetry hubs and automated guided equipment.
Light EV Fleet & Smart Warehouse Automation
Catalonia's logistics hubs along the AP-7 corridor deploy thousands of autonomous forklifts, tuggers, and urban delivery electric vehicles. Our 24V-to-24V and 48V-to-12V DC-DC converters deliver rock-solid 13.8V and 12V outputs for onboard LIDAR, optical scanners, and safety PLCs, completely insulating delicate microprocessors from heavy inductive spikes caused by traction motors.
Municipal IoT, Microgrids & 5G Telecom Nodes
Barcelona’s renowned municipal sensor grid and distributed rooftop solar projects demand ultra-efficient step-down modules and pure sine wave inverters with minimal idle current consumption. Operating under ambient Mediterranean summer heat exceeding 40°C in outdoor cabinets, our convection-cooled SMPS units safeguard public micro-datacenters without reliance on failure-prone mechanical fans.
Industry Whitepaper Excerpt
Technical Transformation: Catalonia's 2025–2030 Power Electronics Outlook
Procurement directors and electrical design engineers throughout the Baix Llobregat, Vallès Occidental, and Barcelona metropolitan belts are navigating structural changes driven by the European Green Deal and Catalonia's Reindustrialization Framework. The standard commercial-grade power supply is rapidly being replaced by specialized, wide-input topologies with active thermal dissipation.
Key technical shifts include:
1. Wide-Input Bandwidth Mandates
Industrial machinery deployed across older manufacturing estates in Terrassa or Sabadell frequently experiences voltage drops. Converters with 8V–40V wide input eliminate operational interruptions without external line conditioners.
2. Stringent Harmonic Directives (EN 61000-3-2)
EU regulations enforce severe limits on mains harmonic pollution. Varnix SMPS platforms integrate active Power Factor Correction (PFC > 0.98), minimizing reactive power penalties on Iberian energy tariffs.
3. Decoupled Modular Architectures
System integrators increasingly favor modular buck-boost units over centralized massive transformers, facilitating rapid field hot-swapping and reducing system lifecycle service hours by up to 45%.
Strategic Procurement Tip for European Importers:
When sourcing power conversion assemblies from overseas, verify whether your supplier performs in-house 100% full-load burn-in aging tests under elevated ambient temperatures. Thermal drift and switching gate failures account for over 82% of premature SMPS field dropouts in Mediterranean outdoor installations.
Engineering Matrix: Varnix High-Frequency SMPS vs. Conventional Power Converters
| Design Attribute | Varnix Industrial OEM Platforms | Standard Commercial SMPS | Engineering Advantage for Barcelona Buyers |
|---|---|---|---|
| Input Fluctuation Margin | Ultra-Wide Dynamic (e.g., 9V–36V / 8V–40V) | Narrow Nominal (±10% Window) | Immunity to battery discharge & automotive cold-cranking |
| Environmental Ingress | IP67/IP68 Silicone Potted Cast Aluminum | IP20 Sheet Metal Perforated Cage | Total resistance against coastal salt spray & humidity |
| Mean Time Between Failures (MTBF) | > 120,000 Hours @ 40°C Ambient (MIL-HDBK) | 30,000–50,000 Hours Nominal | Drastically reduced warranty maintenance visits across Catalonia |
| Thermal Topology | Optimized Heat Sinks (Fanless Passive Cooling) | Small High-RPM Cooling Fan | Zero dust clog risks in textile, automotive, or chemical plants |
Enterprise Manufacturing Strength
Why Tier-1 Engineers & Iberian Exporters Partner with Varnix
Founded in 2003, Varnix Technology Co., Ltd. operates a comprehensive, SGS-verified 1,229 m² production facility in Guangdong. We combine deep circuit engineering with international export compliance.
ISO 9001 & CE Certified
Our quality management is audited to ISO 9001:2015. Every SMPS, converter, and rectifier model ships with comprehensive CE, RoHS, and FCC test certificates for seamless clearance at Port of Barcelona customs.
Rigorous Burn-in QC
Every unit leaving our 10+ production lines undergoes multi-stage inspections: automated SMT verification, component stress screening, high-temp full-load aging racks, and oscilloscope waveform verification.
Custom OEM/ODM Engineering
From tailor-made PCB dimensions and custom potting compounds to precise non-standard voltage outputs (such as 7V, 13.8V, or 30V), our R&D department delivers functional samples within rapid engineering turnaround times.
Flexible Global Trade Terms
We provide full-spectrum logistics supporting FOB, CIF, EXW, and DDP direct-to-warehouse terms in Barcelona. Benefit from contract-backed warranty protections and rapid 24/7 technical engineering communication.
Procurement Clarity
Frequently Asked Questions: Catalan Industrial Buyers
Essential guidance covering technical compliance, customs documentation, minimum order quantities, and custom hardware adaptations.
Do your switch mode power supplies comply with European CE and Low Voltage Directives (LVD)?
Yes. All Varnix power conversion systems, including our AC-DC converters, DC-DC buck/boost modules, and pure sine wave inverters, are fully compliant with EU Directives (CE EMC 2014/30/EU and LVD 2014/35/EU). We supply complete Declarations of Conformity (DoC), test reports, and RoHS material compliance sheets along with your shipment for hassle-free entry through customs at the Port of Barcelona or El Prat Airport.
What are the typical lead times and Incoterms available for shipments to Barcelona?
Standard catalog units can be dispatched within 5–10 business days. For customized OEM production runs (e.g., custom aluminum shells, branded faceplates, or special voltage tunings), typical manufacturing cycles range from 20 to 28 days. We ship under flexible Incoterms including FOB Shenzhen/Guangzhou, CIF Barcelona, and complete DDP (Delivered Duty Paid) directly to your facilities across Catalonia.
Can Varnix customize input/output voltages and form factors for mobile or e-mobility applications?
Absolutely. Custom power supply engineering is our core strength. Whether you need a non-standard output like 13.8V for auxiliary vehicle systems, specialized 30V/57V for telecom antennas, or a narrow-profile aluminum heat sink to fit inside compact automated forklift battery bays, our in-house engineering team can develop and prototype tailor-made solutions tailored directly to your CAD specifications.
How does your factory protect power supplies against Barcelona's coastal Mediterranean atmosphere?
For installations in maritime zones or outdoor municipal cabinets near the sea, we recommend our fully potted product series. These utilize automotive-grade thermally conductive epoxy or silicone sealants within die-cast aluminum enclosures, achieving IP67 or IP68 ingress protection. This design completely insulates the switching MOSFETs, inductors, and control chips from saline oxidation, dust, and condensation.
What Minimum Order Quantity (MOQ) applies to private-label and OEM orders?
For standard catalog inventory, the MOQ starts as low as 1 to 10 units, allowing engineering teams to conduct thorough prototype validation and pilot testing. For customized OEM runs (featuring custom Silk-screened branding, tailored harnesses, or modified enclosures), our baseline MOQ generally begins at 50 to 100 pieces depending on hardware complexity.
Request Custom Power Supply Specifications & Pricing
Talk directly with our power electronics application engineers. Get detailed CAD drawings, complete thermal performance curves, and competitive factory-direct pricing for your project in Spain.