High-Performance Boost Converters & Chargers
Engineered by Shenzhen Eltrum Electronic Co., Ltd. for extreme electrical stability, synchronous rectification efficiency up to 96%, and complete IP67 waterproof resistance tailored for tropical industrial environments.
Smart 36V LiFePO4 DC-DC Boost Charger (12V to 43.8V 13A)
- Topology: Step-Up Boost CC/CV
- Input Voltage: 10V – 36V DC
- Output Voltage: 43.8V DC (13A Max)
- Protection: IP67 Fully Potted
High-Current 12V to 24V / 48V Boost Converter (Up to 50A)
- Topology: Synchronous Step-Up
- Input Voltage: 9V – 20V DC
- Output Power: 1200W – 1500W Max
- Efficiency: ≥ 95.5%
Heavy-Duty 12V to 48V Boost Voltage Converter (15A–20A)
- Topology: DC-DC Step-Up Boost
- Input Voltage: 10V – 30V DC
- Output: 48V DC (Up to 960W)
- Housing: Die-cast Aluminum Fin
24V to 48V Step-Up Industrial Converter (10A / 15A / 720W)
- Topology: Non-Isolated Boost
- Input Voltage: 18V – 36V DC
- Protection: OVP, OCP, OTP, SCP
- Application: EV Auxiliaries & AGVs
1500W Wide-Input Buck-Boost Converter with RS485 Bus
- Topology: Auto Step-Up / Step-Down
- Input Voltage: 10V – 60V DC Wide
- Output: 12V / 24V / 28V / 48V Reg.
- Control: RS485 Modbus Telemetry
Galvanic Isolated 18–90V Wide-Input Converter (120W)
- Topology: Opto-Magnetic Isolated
- Isolation: 1500V DC Galvanic
- Output Rails: 12V 10A / 24V 5A
- Standard: EN 55032 Class B EMC
8–40V to 13.8V 30A Step-Up/Step-Down Battery Stabilizer
- Topology: Buck-Boost Regulator
- Input Voltage: 8V – 40V DC
- Output: 13.8V DC (414W Max)
- Application: Marine & Mobile Radio
Custom OEM Boost / Buck-Boost Voltage Regulators
- Custom Range: 5V to 150V DC Input
- Power Capability: 50W to 3000W
- Certifications: CE, RoHS, ISO 9001
- MOQ: Flexible from 5 Units
Engineering High-Reliability Boost Converters for Northern Vietnam’s Operating Conditions
Step-up (boost) DC-DC conversion in industrial, telecom, and automotive environments requires robust architectural decisions far beyond basic topology diagrams. When operating in Hanoi, Bac Ninh, Hai Phong, and the surrounding Red River Delta, thermal dissipation and moisture saturation dictate design survival.
1. Synchronous Rectification vs. Diode Loss Dynamics
In conventional non-synchronous boost converters, the freewheeling Schottky diode incurs a constant forward conduction voltage drop ($V_f \approx 0.45\text{V}$ to $0.7\text{V}$). In a high-current step-up conversion—such as boosting a 12V battery bus to a 48V auxiliary rail delivering 25A—a standard diode dissipates over 15 to 18 Watts solely in conduction thermal waste. This localized heat creates critical thermal hotspots that severely degrade nearby electrolyte in smoothing capacitors.
Shenzhen Eltrum Electronic Co., Ltd. implements full synchronous rectification across our high-power boost converter families. By substituting ultra-low on-resistance power MOSFETs ($R_{DS(on)} < 3.2\text{ m}\Omega$) driven by phase-matched gate drivers, conduction losses are curtailed by up to 74%. This shift not only elevates conversion efficiency to between 94% and 96.5% but also lowers junction operating temperatures under continuous peak-load cycles.
2. Overcoming Hanoi’s "Nồm" Humidity Phenomenon
Hanoi and northern industrial parks frequently experience the infamous "Nồm" weather during spring, during which relative humidity routinely hovers above 92% to 98% with ambient condensation forming on unheated surfaces. For open-frame or conformal-coated switch-mode power supplies, moisture condensation triggers dendritic copper growth across high-impedance feedback pins, catastrophic pin-to-pin leakage in PWM ICs, and high-voltage flashovers.
To guarantee field survivability, our industrial boost converters are manufactured with complete vacuum-degassed organosilicon or polyurethane compound potting within an extruded 6063-T5 aluminum casing. This achieves genuine IP67/IP68 hermetic isolation, preventing ionic chemical ingress while delivering a thermal conductivity rating exceeding 1.2 W/m·K directly to external dissipation fins.
Thermal Headroom and Input Current Sizing Formula for Local System Engineers
Remember that in any step-up converter, input current scales inversely with input voltage: $I_{in} = \frac{V_{out} \times I_{out}}{\eta \times V_{in}}$. When engineering a 12V-to-48V 15A (720W) system operating during a battery sag event at 10.5V with 92% efficiency, continuous input current spikes to approximately 74.5 Amperes. Wiring gauges, input terminal blocks, and fusing must be sized for this worst-case current rather than nominal 12V conditions.
Mission-Critical Applications Across Northern Vietnam
From the expanding automated production facilities in Bac Ninh to smart urban transport initiatives in downtown Hanoi, our boost converters resolve crucial power-matching challenges.
Electric 2-Wheelers & AGVs
Major manufacturing plants in Hoa Lac Hi-Tech Park and Vinh Phuc rely on our DC-DC boost converters and 12V-to-43.8V smart LiFePO4 chargers to drive auxiliary navigation arrays, LiDAR sensor rails, and battery balancing modules directly from starter or pack lines.
Telecom & 5G Edge Nodes
Supplying mobile network operators (Viettel, VNPT) across Greater Hanoi. Our 18–90V wide-input isolated and step-up modules maintain uninterrupted 48V DC power supplies for cellular base transceiver stations (BTS) during utility grid brownouts and switching transitions.
Industrial Robotics in IZs
Deployed throughout Thang Long Industrial Park I & II, Noi Bai IZ, and VSIP Bac Ninh. Our 1500W RS485-monitored converters step up fluctuating 24V factory rails to precision 48V servo motor buses and PLC drives with zero ripple disturbance.
Solar Off-Grid & Commercial Marine
Navigating the Red River shipping routes and hybrid solar installations in peri-urban Hanoi. Ruggedized buck-boost stabilizers ensure that battery banks fluctuating between 8V and 36V maintain constant 13.8V or 28V outputs for radar, sonar, and communication transceivers.
Standard Industrial Boost & Step-Up Model Matrix
Comprehensive technical specifications for quick selection by mechanical and electrical system architects. Standard units ship from Shenzhen stock; customized configurations available upon request.
| Model Series | Nominal Input Range | Regulated Output | Peak Power | Efficiency | Ingress Rating | Primary Industrial Use-Case |
|---|---|---|---|---|---|---|
| ELT-BST-1224-50 | 9V – 20V DC (12V Typ.) | 24V DC ±1% (50A) | 1200W | ≥ 96.0% | IP68 Potted | Heavy commercial vehicle step-up & mobile DC motors |
| ELT-BST-1248-20 | 10V – 30V DC (12V/24V) | 48V DC ±1% (20A) | 960W | ≥ 95.5% | IP67 Enclosure | 48V Telecom cabinets & AGV battery boosting |
| ELT-CHG-1243-13 | 10V – 36V DC Alternator | 43.8V DC CC/CV (13A) | 570W | ≥ 94.5% | IP67 Waterproof | 12S LiFePO4 battery pack direct charging for LEVs |
| ELT-BST-2448-15 | 18V – 36V DC (24V Typ.) | 48V DC ±1% (15A) | 720W | ≥ 96.2% | IP68 Potted | Automation bus conversion & high-voltage LED arrays |
| ELT-BKB-1060-1500 | 10V – 60V DC Wide Range | 12V / 24V / 48V (Prog.) | 1500W | ≥ 95.0% | IP65 Sealed | Smart micro-grids, solar storage & RS485 automated loops |
| ELT-ISO-1890-120 | 18V – 90V DC Universal | 12V 10A / 24V 5A Isolated | 120W | ≥ 91.5% | 1.5kV Isolation | Industrial ground-loop isolation & telecom repeaters |
Northern Vietnam’s Industrial Electrification Landscape
Why procurement teams and hardware development leads in Hanoi are restructuring their power electronic vendor relationships.
Rapid Electrification Under National Directives
Under Vietnam’s Power Development Plan 8 (PDP8) and net-zero commitments, municipal transit networks and factory material handling fleets in Hanoi are undergoing widespread electrification. This drive generates massive local demand for ruggedized DC-DC converters capable of stepping up low auxiliary voltages to power high-voltage vehicle subsystems, on-board diagnostics, and battery management platforms.
Cross-Border Supply Chain Proximity (Shenzhen to Hanoi)
Unlike Western or European manufacturers with 8-to-12-week maritime lead times, Shenzhen Eltrum Electronic’s manufacturing center in Shenzhen, Guangdong, is uniquely positioned along the South China economic corridor. Consolidated cross-border freight routes via the Pingxiang–Dong Dang (Youyi Guan) land port reach Hanoi assembly docks in just 48 to 72 hours, drastically shrinking pipeline inventory and buffer costs.
Zero-Tariff Import Efficiencies Under ACFTA
Under the ASEAN-China Free Trade Area (ACFTA) agreements, industrial DC-DC converters imported from China into Vietnam qualify for zero or substantially reduced import tariff classifications via Form E certification. This trade agreement provides Hanoi-based tier-one assemblers with a significant total-cost-of-ownership (TCO) advantage over domestic distribution markups.
Factory Strengths & Engineering Credentials
Providing verified power conversion hardware to over 130 countries worldwide since 2015.
Standard Models
Buck, boost, buck-boost, and isolated architectures ready for OEM validation.
Countries Supplied
Field installations spanning North America, Europe, Australia, and Southeast Asia.
Full-Load Burn-In
Every single unit undergoes rigorous high-temperature load stress-testing prior to packing.
Low MOQ for Samples
Rapid engineering sample dispatches to validate R&D bench prototypes swiftly.
Precision Manufacturing, Rigorous Compliance
Operating from our modern facility in Shenzhen’s Hangcheng industrial district, Shenzhen Eltrum Electronic Co., Ltd. combines high-speed SMT surface-mount assembly, automated transformer winding, and specialized potting lines under a certified ISO 9001 quality management framework.
Our engineering division specializes in resolving thermal degradation, transient surge susceptibility, and electromagnetic interference (EMI). Whether you need custom multi-stage CC/CV charging curves for specialized LiFePO4 packs or modified input voltage windows for agricultural vehicles, our team delivers turnkey engineering support from schematic design to mass production.
Frequently Asked Questions for Hanoi Buyers
Addressing essential technical, operational, and shipping questions asked by system integrators and purchasing managers in Vietnam.