High-Efficiency Isolated & Regulated Power Modules
Pre-tested galvanic isolation modules, step-down converters, and battery regulators engineered to withstand demanding transients across Columbus industrial, semiconductor, and logistics facilities.
18–75V to 24V 5A 120W Isolated Converter
- Input Range18–36V / 36–75V DC
- Regulated Output24V DC @ 5A (120W)
- Galvanic Isolation1500V DC Dielectric
- EnclosureIP67 Aluminum Potted
36–75V to 24V 5A Industrial Buck Isolated
- Nominal Input48V DC Telecom/Battery
- Continuous Output24V DC @ 5.0 Amperes
- Peak Efficiency≥ 93.5%
- ProtectionsOVP, OCP, OTP, Short
18–90V Ultra-Wide to 12V 10A Module
- Wide Window18–90V DC (5:1 Range)
- Output Power12V DC @ 10A (120W)
- Isolation BarrierInput-to-Output Ground Sep.
- Operating Temp-40°C to +85°C
48V/60V to 12V 10A Forklift & Telecom Module
- Traction In36V, 48V, 60V (36–75V)
- Aux Output12V DC @ 10A Steady
- Noise RejectionLow Common-Mode Coupling
- Shock/VibeMIL-STD-810G Compatible
18–75V to 5V 20A 100W Logic Isolated Supply
- Input Range18–75V (24V/48V Bus)
- Logic Rail5.0V DC @ 20A (100W)
- Ripple & Noise< 50mVp-p Clean Rail
- ComplianceCE / RoHS / EN 62368
18–36V (24V) to 5V 20A Industrial Isolated
- Input Voltage18–36V DC Standard
- Output Rating5V DC @ 20A High Current
- Galvanic BarrierTrue Magnetic Isolation
- HousingExtruded Aluminum Shell
Smart 36V LiFePO4 DC-DC Charger 12V to 43.8V 13A
- Source DC In12V DC Vehicle Alternator
- Profile Out43.8V CC/CV 13A LiFePO4
- WaterproofIP65 Sealed Module
- ApplicationEV, AGV & Dual-Pack Systems
1500W Smart Buck-Boost Regulator with RS485
- Universal Input10–60V DC Dynamic
- Regulated Out12V / 24V / 28V / 48V
- Output Power1500 Watts Continuous
- InterfaceRS485 Telemetry & Control
Galvanic Isolation Architecture in Harsh DC Power Environments
In industrial control, robotic material handling, and cleanroom automation, electrical grounding is rarely uniform. When high-power induction motors, battery chargers, or variable frequency drives (VFDs) cycle under high current, return paths experience significant ground potential differences (GPDs). Connecting sensitive sub-circuits via non-isolated step-down regulators introduces catastrophic ground loops, severe common-mode EMI, and potential substrate destruction. Galvanic DC-DC converters eliminate these vulnerabilities entirely by establishing complete magnetic isolation between input and output rails.
True Ground Separation
Our isolated converter topology utilizes high-grade planar or toroidal pulse transformers wound with reinforced insulation barriers. By floating the output ground independently of the primary DC bus, dangerous fault currents from shorted battery strings or motor kickbacks cannot backfeed into precision logic controllers, industrial computers, or optical sensor arrays.
Common-Mode Rejection
High-voltage battery traction architectures (such as 48V, 72V, and 80V DC platforms common across automated guided vehicles) induce rapid switching transients (dV/dt). High dielectric isolation barrier materials ensure exceptionally low inter-winding capacitance (<30pF), minimizing common-mode transient coupling that disrupts sensitive RS485 and CANbus communications.
Polarity Inversion Flexibility
Because isolated power modules have fully isolated secondary windings, Columbus systems engineers can configure the isolated output as a positive rail, a negative rail, or stack outputs in series for dual-rail operational amplifier supplies (+12V/-12V). This flexibility provides immense architectural freedom when retrofitting legacy manufacturing equipment.
Architectural Comparison: Isolated Modules vs. Non-Isolated Converters
Before standardizing on a power conversion topology for automation enclosures or mobile robotics, design teams must balance conversion efficiency, safety isolation barriers, and bill-of-materials cost.
| Engineering Metric | Eltrum Isolated DC-DC Series | Standard Non-Isolated Buck/Boost | Industrial Impact / Columbus Relevance |
|---|---|---|---|
| Grounding Path | 100% Galvanically Isolated (≥1500V DC) | Shared Common Ground (Direct Path) | Eliminates ground loops across extensive assembly lines and conveyor rails. |
| Common-Mode Noise | Magnetically Attenuated (<50mV Ripple) | Passes through directly to loads | Crucial for preserving clean ADC readings in semiconductor cleanrooms. |
| Fault Protection | Primary catastrophic fault contained | Pass-through overvoltage risk to load | Guarantees that an over-voltage bus failure does not fry $10,000+ PLCs. |
| Input Range Ratio | Ultra-Wide 4:1 and 5:1 (18–90V DC) | Narrow 2:1 or fixed buck ratio | Maintains rock-steady 12V/24V output despite severe traction battery sag. |
| Typical Thermal Design | Thermally Conductive Epoxy Potting (IP67) | Open-frame or ventilated casing | Resists midwestern moisture, metal shavings, and sub-zero Ohio winters. |
Serving Mission-Critical Deployments Across Central Ohio
From the smart logistics epicenters of Franklin and Pickaway counties to the high-tech corridors along Route 33 and the Silicon Heartland in Licking County, our isolated power modules safeguard critical infrastructure.
Automotive & EV Tooling (Marysville Corridor)
The Route 33 Smart Mobility Corridor is transforming Ohio into an electric vehicle manufacturing powerhouse. Our galvanically isolated 18–75V and 36–75V modules step down primary DC bus voltages to supply sensitive onboard microcontrollers, lidar sensor pods, and robotic end-of-arm tooling without introducing alternator hum or ground potential transients.
AGVs & Robotics (Rickenbacker Hub)
Columbus stands as one of North America's premier logistics hubs, centered around Rickenbacker International Airport. Thousands of Autonomous Mobile Robots (AMRs) and automated forklifts operate on 48V or 80V LiFePO4 traction packs. Our isolated DC-DC converters cleanly power 12V safety scanners, wireless barcode readers, and edge computers without resetting during heavy motor acceleration.
Semiconductor Cleanrooms (Silicon Heartland)
With massive multibillion-dollar wafer fabrication investments in New Albany, the Silicon Heartland requires absolute power integrity. Our isolated DC-DC power modules provide galvanic shielding for automated material handling systems (AMHS), gas detection sensors, and ultra-pure chemical distribution monitoring, preventing micro-arcing and ESD damage.
Edge Telecom & Grid Resiliency (AEP Territory)
Utility substations and modern distributed fiber networks across Central Ohio depend on 48V and 125V battery back-up banks. Our transformer-isolated modules bridge these primary backup DC banks to 12V or 24V remote telemetry units (RTUs), SCADA nodes, and hardened industrial cellular gateways, immune to lightning-induced ground shifts.
The Electrification Boom Transforming Central Ohio
The Greater Columbus region is experiencing an unprecedented industrial transformation, migrating from traditional Rust Belt assembly to become the advanced technological nexus of the American Midwest. This shift is driven by three synchronized megatrends that directly elevate the demand for rugged, high-specification isolated DC-DC power electronics:
1. Microgrid & High-Voltage Storage Stacking
As massive data centers cluster in New Albany and Hilliard, regional grid capacity faces intense demands. Industrial operators are rapidly installing localized Battery Energy Storage Systems (BESS). These installations mandate isolated converters to step down floating DC voltages into regulated auxiliary circuits without bypassing battery monitoring isolation barriers.
2. Intralogistics Fleet Electrification
With Columbus serving over 47% of the US population within a 10-hour drive, distribution centers across Grove City and Obetz are converting legacy lead-acid forklift fleets to high-energy LiFePO4 chemistry. Modern lithium packs require smart, isolated DC-DC buck modules to eliminate voltage surges during regenerative braking.
3. Tier-1 Cleanroom & Sub-tier Tooling Supply
The ripple effect of the New Albany chip foundries requires hundreds of regional precision toolmakers, automation integrators, and gas-handling specialists to upgrade their equipment to stringent CE, RoHS, and semi-spec standards. Galvanically isolated supplies with wide input windows represent the gold standard for these high-mix capital tools.
As local original equipment manufacturers (OEMs) design custom hardware for Ohio’s expanding tech base, access to reliable, cost-effective isolated modules with responsive engineering support and rapid sample turnarounds has become a primary competitive differentiator.
Enterprise-Grade Power Engineering & Manufacturing
Shenzhen Eltrum Electronic Co., Ltd. combines nearly a decade of dedicated power electronics research with high-volume, ISO 9001 certified production lines, serving system integrators across 130+ nations.
Standard Power Models
Our expansive catalog covers isolated DC-DC converters, buck regulators, boost converters, buck-boost stabilizers, and waterproof LiFePO4 battery chargers. Systems engineers in Columbus can instantly locate mature platforms tailored to their precise voltage nodes (5V, 12V, 13.8V, 24V, 28V, 48V) without paying expensive NRE fees.
Full-Load Burn-In & QC
Every single power module undergoes rigorous multi-stage automated optical inspection (AOI), full-load temperature burn-in testing, and high-potential dielectric breakdown verification. Encapsulated in high-thermal-conductivity silicone or polyurethane potting, our modules provide uncompromising IP67 dust and moisture resistance.
Low Sampling MOQ & OEM Agility
We empower design teams and engineering labs with an accessible sample policy starting from just 5 units. For volume procurement across Central Ohio, our R&D engineers deliver full OEM/ODM agility, offering custom winding ratios, RS485 digital interfaces, custom pinouts, and specialized thermal heatsink configurations.
Frequently Answered Questions for Columbus Engineers
Direct answers to technical specifications, safety compliance, logistics routing, and customization options for Central Ohio procurement specialists.
Why is galvanic isolation essential for Columbus AGV and mobile robotics?
In electric vehicles and AGVs, high-amperage traction motors generate immense inductive spikes and dynamic ground bounce during rapid stops and starts. A non-isolated DC-DC converter passes these ground differentials directly to 12V/24V navigation computers, causing random lockups or corrupted sensor telemetry. Galvanic isolation cleanly breaks this loop, ensuring uncorrupted computing.
What safety certifications and standards do your isolated converters carry?
All Eltrum DC-DC converters and LiFePO4 battery chargers are built in accordance with CE EMC/LVD directives and RoHS hazardous substance restrictions under an audited ISO 9001:2015 quality management system. Certified third-party test reports and declarations of conformity are readily available for immediate review by your compliance team.
How do these modules perform during extreme Ohio sub-zero winters?
Unpotted or fan-cooled converters frequently fail in Ohio unconditioned warehouses or outdoor mobile machinery due to condensation and thermal shock. Our isolated series feature completely solid epoxy potting rated from -40°C to +85°C. This hermetically seals every semiconductor against thermal cycling, frost, and high humidity.
What are the freight lead times and logistics routes into the Columbus market?
For urgent engineering trials, samples dispatch via air express (DHL/FedEx/UPS) reaching John Glenn Columbus International Airport (CMH) or Rickenbacker (LCK) facilities within 4 to 7 business days. Production volume orders ship via ocean freight to West Coast ports or directly into midwestern inland intermodal terminals via Chicago/Cleveland rail links.
Can you provide custom input/output voltages or private-label buyer branding?
Yes. Shenzhen Eltrum Electronic specializes in OEM/ODM production. If your system requires non-standard voltages (such as 15V, 19V, 28V, or 54V rails), specialized harness pigtails, Deutsch or Anderson connectors, or customized corporate laser-etched nameplates, our engineering group can deliver bespoke prototypes in 2–3 weeks.
How does an isolated converter handle severe inductive cranking sag?
Our ultra-wide input isolated units (such as our 18–90V 5:1 platform) possess expansive regulation headroom. Even if a nominal 24V or 48V battery bank momentarily drops to 18V under heavy starting load, the pulse-width modulated (PWM) controller dynamically adjusts the transformer duty cycle, keeping the output rail strictly pinned to its setpoint.
Accelerate Your Central Ohio Power Architecture
Connect directly with our senior power electronics engineering team. Whether you need sample units for bench validation, full customized specifications, or volume pricing for an upcoming manufacturing rollout, we are ready to assist.