9KW High-Power Onboard DC/DC Converter | 48V Output for Heavy-Duty EVs & Base Stations | HLF9000-D48 – Levane Power
Product Datasheet: HLF9000-D48 9KW Ultra-High Power Onboard DC/DC Converter
Overview
The automotive HV-LV DC-DC Converter/auxiliary Power Module HLF9000-D48 is an ultra-high power, industrial-grade 9KW DC/DC converter designed for the most demanding applications in heavy-duty new energy vehicles (NEVs) and large-scale telecommunications infrastructure. It reliably converts a wide high-voltage input range (280–820VDC) into a stable, adjustable 48VDC output, delivering substantial auxiliary power for high-load electrical systems. Engineered with uncompromising automotive-grade durability, advanced thermal management, and comprehensive protection, it is built to excel in extreme operating environments.
Key Features
Ultra-High Power & Efficiency: Delivers 9KW continuous output with ≥97% efficiency, minimizing energy loss and operational costs.
Wide Input Voltage Range: Compatible with 280–820VDC systems for versatile integration across various high-voltage platforms.
Adjustable 48VDC Output: Provides stable, high-current low-voltage power for auxiliary vehicle systems and critical telecom loads.
Comprehensive Protection Suite: Includes input/output under/over voltage protection, overcurrent protection, temperature protection (with active power derating), and fuse safety.
CAN Communication Interface: Enables real-time monitoring, diagnostics, and seamless integration into intelligent power management networks.
Automotive-Grade Robustness: All components are rigorously selected and tested to withstand severe vibration, thermal cycles, and harsh environmental conditions.
Enhanced Mechanical & Thermal Design: Features rubber damping pads for superior shock absorption and integrated heat sinks for optimal thermal dissipation in a compact 260*200*52mm footprint.
Applications
Heavy-Duty Commercial EVs: Electric buses, mining trucks, long-haul logistics vehicles, and other commercial transportation requiring high auxiliary power.
Large Telecom/5G Base Stations: Primary or backup DC power conversion for macro-cell sites and data center edge infrastructure.
Industrial & Renewable Energy Systems: High-power energy storage systems, charging hubs, and other mission-critical DC power distribution applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | HLF9000-D48 |
| Input Voltage | 280–820 VDC |
| Output Voltage | 48 VDC (Adjustable, 43 - 56VDC) |
| Output Power | 9000W (9KW) |
| Efficiency | ≥97% |
| Communication | CAN 2.0 |
| Protections | Input UVP/OVP, Output UVP/OVP/OCP, Temperature Protection, Fuse |
| Cooling Method | Integrated Heat Sink (Forced air optional) |
| Vibration Resistance | Rubber Damping Pads |
| Dimensions (L×W×H) | 260 × 200 × 52 mm |
| Operating Temperature | -40°C to +85°C (Automotive Grade) |
| Primary Application | Heavy-Duty EVs, Large Base Stations |
Why Choose HLF9000-D27?
✅ Industry-Leading Power Density – Packs 9KW into a robust, compact form factor.
✅ Maximum Energy Efficiency – ≥97% efficiency reduces thermal stress and total cost of ownership.
✅ Intelligent & Connected – CAN bus enables smart system integration and predictive maintenance.
✅ Unmatched Reliability – Full suite of electrical and thermal protections ensures continuous operation.
✅ Built for Extreme Duty – Automotive-grade design guarantees performance in the toughest conditions.
Ordering & Support
For detailed technical documentation, application engineering support, or commercial inquiries, please contact our sales team with model number: HLF9000-D48.