Smart 36V Lithium Battery Charger DC 12V to 43.8V 13A
- TopologySynchronous Buck/Boost
- Input Range12V DC Nominal
- Output Power43.8V @ 13A (CC/CV)
- EnclosureIP68 Fully Potted
500+
Standard Power Models
96%
Peak Conversion Efficiency
130+
Export Destinations Served
ISO 9001
Certified Plant · CE / RoHS
High-Performance Hardware
Featured Step Down Regulators & Precision Power Supplies
Designed for harsh industrial automation, subsea telecom, medical diagnostic electronics, and commercial transport platforms across County Limerick and the Shannon Free Zone.
24V to 12V 85A/100A Industrial Buck Converter
- EfficiencyUp to 96%
- Output Current85A – 100A Continuous
- ProtectionsOVP, OCP, OTP, Short
- ComplianceCE, RoHS Certified
48V to 24V 40A 1000W High-Current Regulator
- Input Range36V – 60V DC
- Output Rating24V @ 40A (1000W)
- Thermal MgmtIntegrated Heat Sink Fins
- Ripple/Noise< 100mVp-p
30-60V Wide-Input to 12V 50A/60A Regulator
- TopologySynchronous Buck
- Power Rating600W – 720W
- HousingDie-Cast Aluminium
- Operating Temp-40°C to +85°C
18-75V to 24V 5A Galvanic Isolated Converter
- Isolation Volt1500V DC Min
- Input Windows18–36V / 36–75V Wide
- ApplicationTelecom / Medical Grounding
- EMC StandardEN55032 Class B
Isolated 36-75V to 12V 10A 120W Module
- Input Range36V / 48V / 60V / 72V
- Output Rails12V Regulated @ 10A
- Zero Ground LoopFloating Secondary Ground
- ProtectionThermal Shutdown & Auto-Recovery
30-90V Ultra-Wide Input to 24V 10A/20A Module
- Input Range30V – 90V Continuous
- Output Option24V @ 10A or 20A
- SealingIP67 Shock & Vibration Proof
- Efficiency94.5% at Rated Load
1500W Dynamic Buck-Boost Stabilizer with RS485
- Control ProtocolModbus RTU / RS485
- Input Window10V – 60V DC
- Programmable Out12V / 24V / 28V / 48V
- Peak Power1500W with Telemetry
Strategic Industrial Alignment
Precision Power Conversion across Limerick’s Advanced Manufacturing Corridors
County Limerick and the Mid-West Region of Ireland represent a nexus for life sciences, advanced automated manufacturing, smart logistics, and maritime technology. Step down regulators fulfill mission-critical roles across these distinct sectors.
Medical Devices & Bio-Pharmaceuticals
Within the National Technology Park in Plassey and Raheen Business Park, medical device manufacturing facilities require noise-free DC rails. Our galvanic isolated step-down converters eliminate electromagnetic interference (EMI) in sensitive blood analyzers, cleanroom robotic handlers, and diagnostic imaging equipment, complying with EN 60601-1 design baselines.
Automated Logistics & Intralogistics
Warehousing operations supporting Shannon Foynes Port rely heavily on Automated Guided Vehicles (AGVs) and autonomous mobile robots (AMRs). Our 48V/72V to 24V/12V step-down units convert unregulated traction battery voltages to steady feeds for LiDAR sensors, onboard PLCs, and optical navigational guidance systems without thermal throttling.
Marine Energy & Estuary Subsea Monitoring
The Shannon Estuary is a critical zone for offshore wind testing and ocean telemetry installations. Fully potted IP68 buck regulators protect electronic sensor arrays from salt-mist ingress, converting fluctuating 24V marine battery bank outputs to clean 5V and 12V rails for environmental data transmission beacons.
Engineering White Paper
Architectural Analysis: Selecting the Optimal Step Down Topology
Procurement teams and hardware architects often face trade-offs between thermal efficiency, ground isolation, and volumetric density. Understanding core differences prevents premature field failures.
| Conversion Topology | Input Voltage Stability | Isolation Barrier | Typical Efficiency | Recommended Use Case |
|---|---|---|---|---|
| Non-Isolated Synchronous Buck | Stable ($V_{in} > V_{out} + 2V$) | Common Ground | 94% – 97% | Fleet vehicle telematics, 24V-to-12V cab accessories, industrial PLCs. |
| Galvanic Transformer Buck | Wide Swings ($18V – 90V$) | 1500V Galvanic | 88% – 92% | Floating ground systems, noise-isolated biomedical, subsea data racks. |
| Four-Switch Buck-Boost | Dynamic ($V_{in}$ crosses $V_{out}$) | Common Ground | 91% – 95% | Lithium pack discharge curves, engine cranking transient suppression. |
Thermal Dissipation & Ripple Considerations in Irish Climates
While coastal Ireland experiences moderate ambient temperatures, high humidity combined with sealed NEMA/IP67 enclosures generates severe internal thermal retention. Non-isolated synchronous buck converters minimize heat generation through low $R_{DS(on)}$ MOSFET switching, providing up to 96% power conversion efficiency.
For inductive loads common in Limerick manufacturing lines (such as solenoids, contactors, and fractional horsepower conveyor motors), specifying a step-down regulator with an integrated freewheeling clamp and dual $\pi$-filter reduces output voltage ripple below 50mV peak-to-peak, preventing logic resets on microcontrollers.
Local Macro Trends
Electrification & Smart Infrastructure Trends across Limerick
Macro-economic shifts in the Shannon Estuary and Midwest manufacturing sectors are accelerating demand for localized high-reliability power switching hardware.
Shannon Estuary Green Energy Masterplan
As the Shannon Estuary transitions to Europe's leading floating offshore wind hub, secondary power systems require step-down regulators certified for extreme marine conditions. Power conversion modules must survive high vibration, electrolytic corrosion, and variable bus inputs generated by battery-buffered renewable storage.
Fleet Transition to 48V/72V E-Mobility
Municipal and commercial logistics operators across Castletroy and Dooradoyle are rapidly phasing out combustion utility equipment. The shift to 48V and 72V lithium-ion architectures drives the need for high-amperage 12V buck converters to operate legacy indicators, telemetry GPS, cabin heating, and onboard safety relays.
Edge Computing & Industry 4.0 Integration
Modern manufacturing cells in Annacotty Business Park increasingly incorporate edge compute appliances. These nodes require regulated DC power unaffected by machine inrush currents. The deployment of buck-boost stabilizers with RS485 telemetry enables real-time voltage monitoring directly within local SCADA networks.
Procurement Clarity
Frequently Asked Questions by Irish Buyers
Technical and commercial questions answered by our power supply application engineering team for Limerick OEMs and systems integrators.
How fast can custom or standard samples be dispatched to Shannon or Dublin Airport?
Standard production models are kept in buffer inventory and ship via expedited international air courier (DHL/FedEx) within 48 to 72 hours, reaching Limerick-based facilities within 4 to 6 business days. Custom voltage trims, customized wiring harnesses, or bespoke buyer labels are prototyped and dispatched within 10 to 14 working days.
Do these step-down converters carry CE and RoHS compliance documentation for Ireland & the EU?
Yes. All Eltrum DC-DC converters are designed and tested according to European Union Directives. We supply full CE declarations of conformity (EMC Directive 2014/30/EU and Low Voltage Directive where applicable) as well as certified RoHS 2.0 / REACH documentation ensuring hassle-free clearance through Irish Revenue and customs brokers.
When should our engineering team select a Galvanic Isolated buck regulator instead of a standard buck converter?
A standard non-isolated buck regulator shares a common ground ($GND$) between input and output, which provides maximum conversion efficiency (often exceeding 95%) and small physical packaging. However, if your application involves high-voltage battery banks (such as 48V–80V telecom/industrial packs), medical instrumentation, or sensors susceptible to ground loop current noise, a galvanic isolated converter with 1500V DC isolation is necessary to isolate circuits and protect user-facing electronics.
Can these modules handle alternator load dumps and voltage spikes in automotive or marine installations?
Yes. Our heavy-duty automotive buck series incorporates input transient suppression diodes (TVS) and internal filtering inductors designed to absorb SAE J1113 load dump spikes. They comfortably withstand alternator surges up to 40V–60V without degrading sensitive 12V or 5V downstream loads.
What is the minimum order quantity (MOQ) for custom-engineered DC-DC step down units?
For initial engineering evaluation and bench validation, our typical sample MOQ starts from just 5 units across most standard models. Volume manufacturing orders for bespoke housings, custom input/output configurations, or RS485 Modbus firmware integration typically start at 50 to 100 units.
What payment terms and commercial currencies are supported for Irish trade partners?
We support commercial transactions via Telegraphic Transfer (T/T), PayPal, and Escrow. While transactions are routinely denominated in USD, payments can be accommodated in EUR through international IBAN transfer under FOB or EXW terms.
Manufacturing Authority
Why Limerick Engineers Partner with Shenzhen Eltrum Electronic
Combining precision Shenzhen manufacturing agility with rigorous international quality standards since 2015.
3,000 m² Integrated Production Facility
Our state-of-the-art facility features automated SMT lines, wave soldering, vacuum epoxy potting systems, and dedicated burn-in environmental testing chambers, delivering zero-defect manufacturing for high-reliability applications.
Third-Party Onsite Audited Excellence
Our plant has been inspected and verified on-site by premier third-party international certification authorities. With an ISO 9001 certified quality management system, every single converter undergoes a 100% full-load burn-in test before export packaging.
Dedicated OEM & ODM Custom Engineering
Whether you need custom voltage setpoints (e.g., 13.8V radio floats, 19V compute rails, or 43.8V LiFePO4 charging profiles), specialized IP68 enclosures, specific waterproof connectors, or customized RS485 communication protocols, our team delivers custom prototypes rapidly.
Request Technical Specifications or Custom Voltage Sizing
Connect with our power application engineering team to request comprehensive CAD dimensions, step-down conversion efficiency curves, and full product catalogs.