12V to 24V / 48V High-Current Step-Up Boost Converter
- TopologySynchronous Boost
- Input Range9V – 20V DC
- Output Voltage24V (50A) / 48V (20A)
- Max EfficiencyUp to 96.2%
- ProtectionOVP, OCP, OTP, Reverse
500+
Standard Power Models
96%
Peak Conversion Efficiency
130+
Export Destinations
ISO 9001
Factory Verified • CE / RoHS
Industrial Catalog Serving Celje
Featured High-Performance Boost & Regulated Power Converters
Engineered for harsh operating conditions, rigorous thermal performance, and dynamic voltage stabilization. Select from our high-demand step-up converters and intelligent charging systems available with rapid deployment to Celje and the broader Savinja basin.
Heavy-Duty 12V to 48V Potted Waterproof Boost Module
- EnclosureDie-cast Aluminum IP67
- Input Rating10V – 16V DC Nominal
- Rated Output48V DC • 12.5A to 20A
- Thermal Envelope-40°C to +85°C Ambient
- Vibration TestMIL-STD-202G Compliant
1500W Intelligent Wide-Input Buck-Boost with RS485
- Input Voltage10V – 60V Continuous
- Programmable Out12V, 24V, 28V, 48V DC
- CommunicationModbus RTU / RS485
- Max Output Power1500 Watts continuous
- ApplicationAGVs, Robotics & BESS
24V to 48V Step-Up Converter (10A – 15A Industrial)
- Input Window18V – 35V DC
- Stabilized Out48V DC ±1% Regulation
- Rated Output480W to 720W Max
- Ripple & Noise< 50mVp-p at full load
- EMC ComplianceEN 55032 / EN 61000-6-2
Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- Direct LinkProduct Page
- Input DC Range10V – 16V DC Alternator/Aux
- Charge Profile3-Stage CC / CV / Float
- Waterproof GradeIP68 Full Epoxy Encasement
- Target ChemistriesLiFePO4, Li-Ion, NMC Packs
Isolated 18V – 90V to 12V / 24V Ground-Loop Protection
- Isolation Barrier1500V DC Galvanic Isolation
- Ultra-Wide Input18V – 90V DC Traction Pack
- Output Rail12V DC (10A) / 24V (5A)
- GroundingIndependent I/O Common
- StandardISO 7637-2 Automotive Transient
8V – 40V to 13.8V 30A Auto Step-Up/Down Voltage Regulator
- Input Voltage8V – 40V Dynamic Swing
- Output Preset13.8V Fixed (Float Rail)
- Continuous Current25A Nominal (30A Peak)
- Power CapabilityUp to 414W Continuous
- ProtectionCold-cranking sag resistant
400W Dual-Battery Step-Up LiFePO4 Smart Charger
- Input Voltage10V – 36V Alternator/Solar
- Charging Rails14.6V / 29.2V / 43.8V DC
- Power Class400 Watts Constant Power
- EnclosureAnodized Potted Extrusion
- Smart Wake-up0V Lithium Wake-Up Function
Engineering White Paper
Industrial Step-Up Power Topologies: Solving Low-Voltage Bus Vulnerabilities
In industrial and mobile power systems across the Celje industrial zone, stepping voltage up from a 12V or 24V source to higher rails (28V, 36V, 48V, or 54V) presents unique challenges: peak switch currents, dynamic thermal dissipation, and electromagnetic interference (EMI).
A conventional boost converter operates by storing energy in an inductor during the active switch on-time ($T_{ON}$) and transferring it to the load during off-time ($T_{OFF}$). When converting 12V to 48V at a 1:4 step-up ratio, the duty cycle ($D$) reaches 75% or higher. Under heavy current draws, switch currents escalate dramatically ($I_{in} \approx I_{out} / (1 - D)$), generating intense $I^2R$ conduction losses in traditional diode-rectified topologies.
Shenzhen Eltrum Electronic Co., Ltd. incorporates Synchronous MOSFET Rectification paired with shielded, low-loss toroidal inductors and planar transformer magnetics. By replacing standard fast-recovery diodes with ultra-low $R_{DS(on)}$ automotive-grade FETs, conduction losses are curtailed by up to 68%. This technical breakthrough enables our boost converters to sustain >95% power efficiency even under sub-optimal thermal conditions within industrial enclosures and automated machinery.
Continuous Conduction Mode (CCM)
Configured with engineered inductance values that guarantee CCM operation across full dynamic load spectra. This limits peak ripple currents, reduces output capacitance stress, and mitigates high-frequency noise spikes radiated into factory communication buses.
Low Ripple
Reduced EMI
Capacitor Longevity
Thermostable Polyurethane Potting
High thermal-conductivity silicone/polyurethane potting delivers dual-action performance: complete ingress immunity (rated IP67 to IP68) and structural heat-spreading to external extruded aluminum heat sinks, completely eliminating cooling fans.
Fanless Silent
IP67/IP68 Potted
Shock Absorbing
Comprehensive Integrated Protection
Multi-tiered hardware safeguards include input Under-Voltage Lockout (UVLO), output Over-Voltage Clamp (OVP), cycle-by-cycle Over-Current Protection (OCP), and auto-recovery Thermal Shutdown (OTP) triggered at +105°C junction temp.
UVLO & OVP
Short-Circuit Latch
Auto-Recovery
Slovenian Industry Deployment
Localized Applications Across Celje's Manufacturing Ecosystem
Celje, as the regional economic nucleus of the Savinja Valley, stands recognized for robust mechanical engineering, precision metallurgy, intralogistics technology, and green mobility. Discover how Eltrum boost converters integrate seamlessly into localized engineering workflows.
Intralogistics & Automated Guided Vehicles (AGVs)
Logistics distribution hubs and warehousing operations surrounding Celje utilize AGVs and autonomous mobile robots (AMRs). Our 24V-to-48V high-amp boost converters elevate standard chassis battery banks to power 48V servo drive wheels, optical LiDAR arrays, and high-speed payload lift actuators with absolute ripple suppression.
24V to 48V Boost
AGV / AMR Drives
Commercial Transport & Special Vehicles
With Celje serving as a major motorway crossing between Ljubljana, Maribor, and international freight routes, vehicle retrofitting companies utilize our 12V-to-24V and 24V-to-48V step-up modules to power heavy hydraulic tailgates, telematics, pneumatic compressors, and refrigeration sub-circuits without alternator drain.
Vehicle Retrofits
Alternator-Safe
Renewable Microgrids & Photovoltaic BESS
Slovenia's regional clean energy initiatives emphasize distributed solar PV and battery energy storage. Our wide-input 10V–60V buck-boost converters and step-up chargers step low solar buffer string voltages up to regulated 48V or 54.8V buses for off-grid industrial telemetry, mountain repeaters, and agricultural automation.
Solar PV Buffers
BESS Charging
Industrial Machine Automation & CNC Tools
Celje's advanced metallurgy and machining factories require rock-solid DC buses for CNC stepper drivers, PLCs, pneumatic solenoid valve manifolds, and vision inspection sensors. Galvanically isolated boost models break high-current ground loops generated by heavy weld arcs and high-frequency milling spindles.
Ground Isolation
PLC Protection
Data-Driven Sizing Matrix
Engineering Comparison: Boost vs. Buck-Boost vs. Isolated Topologies
Review conversion profiles commonly designated by procurement engineers and system integrators in Slovenia. Sizing accuracy prevents premature field dropouts, thermal throttling, and harmonics pollution.
| Topology | Input Range ($V_{IN}$) | Output ($V_{OUT}$) | Peak Efficiency | Galvanic Isolation | Recommended Celje Applications |
|---|---|---|---|---|---|
| Synchronous Boost | 9V – 18V DC | 24.0V • 30A / 50A | 96.2% | Non-Isolated (Common Ground) | 12V vehicle chassis to 24V industrial sensors, LED arrays, mobile hydraulics |
| High-Power Boost | 18V – 32V DC | 48.0V • 15A / 20A | 95.8% | Non-Isolated | 24V material handling equipment stepping up to 48V brushless traction servos |
| Auto Buck-Boost | 10V – 44V Dynamic | 12.0V / 24.0V Regulated | 94.5% | Non-Isolated | Cranking-sag voltage stabilizer for telematics, telemetry units, sensitive PLCs |
| Isolated DC-DC | 18V – 90V Ultra-Wide | 12.0V / 24.0V Fixed | 91.5% | 1500V DC Galvanic Barrier | Forklift high-voltage packs (48V/72V/80V) feeding auxiliary safety sensors and radio units |
| CC/CV Step-Up Charger | 10V – 16V DC | 43.8V • 13A (36V LiFePO4) | 93.8% | Non-Isolated / Waterproof | Dual-battery charging, electric delivery e-bikes, service fleet secondary battery banks |
Regional Market Trends
Industrial Modernization: The 48V Bus Transition in Slovenia
Industrial facilities throughout Celje, Žalec, and the broader Savinja basin are accelerating automation retrofits in response to EU energy efficiency guidelines, the transition to Industry 4.0, and rising logistics electrification.
Key technological shifts shaping local component demand include:
- Migration from 12V/24V to 48V Architectures: Modern automation cells and commercial material handling units favor 48V distribution to reduce cable cross-sections and copper weight by up to 75%, requiring ultra-reliable 12V-to-48V and 24V-to-48V step-up boost converters.
- Lithium-Iron Phosphate (LiFePO4) Battery Chemistries: As industrial fleets substitute heavy lead-acid batteries with high-cycle LiFePO4 cells, dedicated step-up DC-DC chargers with precise Constant Current/Constant Voltage (CC/CV) profiles and absorption voltage cut-offs are paramount.
- Demand for Harsh-Environment Sealed Enclosures: Central European winters and unconditioned factory environments require IP67/IP68 potted units capable of cold-start performance at -40°C without inductive winding cracking or thermal thermal drift.
Manufacturing Credentials
Why Engineering Teams Choose Shenzhen Eltrum Electronic
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. has established itself as an authoritative manufacturer of DC-DC conversion hardware, high-power battery chargers, and custom power modules, serving clients in over 130 countries worldwide.
500+ Qualified Standard Models
From compact non-isolated buck modules to heavy 1500W intelligent buck-boost stabilizers and 1500V galvanically isolated industrial power supplies, our off-the-shelf engineering platforms drastically accelerate customer time-to-market.
OEM & ODM Custom Engineering
We customize input voltage envelopes (up to 90V), tailored voltage/amperage trim points, proprietary LiFePO4 charging algorithms, RS485/CAN telemetry interfaces, custom cable harness pinning, and custom extrusion private labeling.
ISO 9001 Quality System & 100% Burn-in
Every production run undergoes strict automated SMT assembly, selective conformal coating or vacuum potting, full electrical parameter verification, and extended high-temperature, full-load burn-in testing to guarantee zero-defect field reliability.
Engineer-Friendly MOQ from 5 Units
We support prototyping and design validation by offering low minimum order quantities (MOQ from 5 pieces on standard catalogs). European engineering teams can validate real-world bench performance before committing to mass production.
Procurement & Technical Queries
Frequently Asked Questions: Celje Market
Detailed answers covering compliance, delivery logistics to Slovenia, installation considerations, and topology selection for engineers and procurement managers.
How are DC-DC boost converters shipped to Celje and what are standard transit times?
Orders destined for Celje and the Savinja region are dispatched directly from our Shenzhen manufacturing center. For engineering evaluation units and urgent production batches (1 to 200 units), air express transit via DHL, FedEx, or UPS to Ljubljana Jože Pučnik Airport takes approximately 4 to 7 business days. For volume container shipments, air freight or consolidated maritime freight via the Port of Koper (Luka Koper) is available under standard Incoterms (FOB Shenzhen, CIF Koper, or EXW), complete with commercial invoices, CE declarations, and preferential EUR.1 documentation.
Do Eltrum converters comply with European CE and RoHS regulatory directives?
Yes. All Eltrum DC-DC step up boost converters, buck-boost stabilizers, and smart battery chargers are fully compliant with EU Directives, including CE Low Voltage Directive (LVD) 2014/35/EU, Electromagnetic Compatibility (EMC) Directive 2014/30/EU (EN 55032 Class A/B, EN 61000-6-2 immunity), and RoHS 2011/65/EU Restriction of Hazardous Substances. Official laboratory compliance test certificates are supplied with initial order documentation for your CE technical compliance dossier.
When must an engineer choose an isolated boost converter over a non-isolated model?
A non-isolated boost converter shares a common negative return ground ($GND$) between input and output, which provides maximum conversion efficiency (up to 96%) and smaller physical dimensions. However, if your Celje installation involves electric forklifts with high-voltage traction batteries (48V, 72V, 80V), positive-ground communications arrays, medical automation carts, or environments prone to ground loop currents and welding arc noise, a Galvanically Isolated Converter with ≥1500V DC breakdown barrier is required to protect sensitive microcontrollers and human operators.
How does the boost converter handle cold-start conditions and vehicle cranking dips?
During Central European winter conditions in Celje, battery internal resistance increases. When heavy diesel engines or hydraulic motors start up, system voltage can momentarily collapse from 12V down to 7V–8V. Standard boost regulators will either trip their Under-Voltage Lockout (UVLO) or enter unstable oscillation. Eltrum's wide-input converters and automotive-grade buck-boost stabilizers feature deep-sag ride-through capabilities down to 8V continuous (6V transient for 500ms), maintaining constant output regulation without rebooting critical navigation or control hardware.
Can standard boost converters be used to charge LiFePO4 auxiliary batteries?
No. A standard fixed-voltage boost converter will output a constant voltage with standard foldback or latching overcurrent protection. Lithium-Iron Phosphate (LiFePO4) chemistry requires a specialized 3-stage Constant Current / Constant Voltage (CC/CV) charging profile with temperature compensation and automatic cut-off when the absorption threshold (e.g., 14.6V for 12V packs, 29.2V for 24V, 43.8V for 36V) is achieved. Connecting a standard converter will trigger over-current shutdown or cause cell degradation. We strongly recommend selecting our Smart Battery-to-Battery Step-Up Chargers (e.g., Smart 36V 13A or 400W Dual-Battery models).
What is the minimum order quantity (MOQ) for custom voltage and enclosure modifications?
For standard off-the-shelf catalog models, the sample MOQ is just 5 units to facilitate rapid bench validation. For customized hardware (such as custom output voltages like 30V or 56V, specific wire harness lengths, custom Deutsch or Anderson connectors, or conformal potting for extreme vibration), custom production runs typically begin at 50 to 100 units. Full custom ODM designs with unique PCB geometry and firmware begin at 200 units.
How do Eltrum step-up converters dissipate heat in unventilated factory cabinets?
Our converters feature monolithic high-grade die-cast aluminum heat sinks filled with thermally conductive potting compound (conductivity > 1.5 W/m·K). Heat generated by primary MOSFETs and magnetic cores transfers efficiently into the chassis walls, allowing operation up to +60°C ambient without derating. In unventilated enclosures, mounting the converter flat against a metal chassis plate using thermal paste provides additional heat-sinking, eliminating the need for dust-clogged fans.
What payment terms and warranties are extended to Slovenian businesses?
Standard payment options include international wire transfer (T/T in EUR or USD), PayPal for sample orders, or Escrow. For established OEM partners in Slovenia, net terms can be established following trade credit evaluation. All Eltrum DC-DC converters and battery charging modules carry an authentic 24-month factory warranty against manufacturing defects and component failures.
Accelerate Your Power Engineering Project in Celje
Whether you are engineering a new automated AGV fleet, integrating solar energy storage buffers, or specifying rugged DC-DC converters for heavy transport, Eltrum's engineering team provides detailed datasheets, 3D CAD step files, and direct sample support.