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  3. 3.3kW OBC+1kW DC-DC Converter 2-in-1 (72v/96v/320v)
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Integrated OBC+DC-DC 2-in-1

3.3kW OBC+1kW DC-DC Converter 2-in-1 (72v/96v/320v)

Designed for 72V, 96V, 320V battery platforms, this integrated OBC + DC-DC solution is suitable for electric cargo vehicles, utility vehicles, agricultural EVs, low-speed EVs and other commercial EV applications.

3.3kW OBC + 1kW DC-DC Converter 2-in-1

Product Description

The 3.3kW OBC + 1kW DC-DC Converter is an integrated power solution designed for commercial electric vehicles.
Available in 72V, 96V and 320V battery platforms, this 2-in-1 system combines onboard charging and DC-DC conversion in one compact unit, helping EV manufacturers reduce wiring complexity, save installation space and improve overall system integration.
It is suitable for electric cargo vehicles, utility vehicles, agricultural EVs, low-speed EVs and other commercial electric vehicle applications.



Key Features

Integrated OBC + DC-DC Design

Combines battery charging and low-voltage power conversion functions into one compact enclosure, reducing system complexity and simplifying vehicle integration.

Multiple Voltage Platform Options

Available for different EV battery platforms:
  • 72V Battery Platform
  • 96V Battery Platform
  • 320V Battery Platform

High Efficiency Power Solution

Provides reliable charging performance and stable DC power output for commercial EV applications.
  • OBC Efficiency: ≥93%
  • DC-DC Efficiency: ≥91%

CAN-bus Communication

Supports CAN communication for vehicle system integration and intelligent control.

Reliable Protection Functions

The integrated unit includes multiple protection features:
  • Input Over Voltage Protection
  • Input Under Voltage Protection
  • Output Over Voltage Protection
  • Output Under Voltage Protection
  • Over Current Protection
  • Short Circuit Protection
  • Over Temperature Protection



Technical Specifications

OBC Specifications

Available Models

Model
Battery Platform
Output Voltage
Output Current
OD-CE-3D1A-72
72Vdc
50-105Vdc
40A Max
OD-CE-3D1A-96
96Vdc
64-128Vdc
32A Max
OD-CE-3D1A-320
320Vdc
240-480Vdc
10A Max

Common Parameters

  • Input Voltage: AC 90-264Vac
  • Output Power:
  • 3300W @ 220Vac
  • 1650W @ 110Vac
  • OBC Efficiency: ≥93%



DC-DC Converter Specifications

Input Voltage

  • 72V Version: 50-105Vdc
  • 96V Version: 64-128Vdc
  • 320V Version: 240-480Vdc

Output

  • Output Voltage: 14±0.2Vdc
  • Output Current: 72A
  • Rated Power: 1000W

Performance

  • DC-DC Efficiency: ≥91%



Protection & Safety

OBC Protection

  • Input Under Voltage Protection
  • Input Over Voltage Protection
  • Output Under Voltage Protection
  • Output Over Voltage Protection
  • Output Over Current Protection
  • Short Circuit Protection
  • Over Temperature Protection

DC-DC Protection

  • Input Under Voltage Protection
  • Input Over Voltage Protection
  • Output Over Voltage Protection
  • Output Over Current Protection
  • Short Circuit Protection
  • Over Temperature Protection



General Information

  • Cooling Method: Forced Air Cooling
  • Protection Class: IP67
  • Communication: CAN-bus



Typical Applications

  • Electric Cargo Vehicles
  • Light Commercial EVs
  • Utility Vehicles
  • Agricultural EVs
  • Low-speed Electric Vehicles
  • Special Purpose Electric Vehicles



Why Choose Our Integrated Power Solution?

For commercial EV manufacturers, integrating OBC and DC-DC converter functions into one unit helps simplify vehicle electrical architecture.
This multi-voltage integrated power solution provides flexible options for different EV platforms while reducing installation space, wiring complexity and system integration challenges.

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EV POWER SOLUTIONS

Contact Nancy at Echelon

Contact Echelon Energy for product updates, technical support and EV project discussions. Custom EV Charger Manufacturer & OEM/ODM Supplier in China

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