




320V Battery Platform high voltage
3.3KW OBC 320v +1.5KW DC DC Converter 2-in-1
Designed for 320V high-voltage EV platforms, this 2-in-1 solution integrates a 3.3kW onboard charger and 1.5kW DC-DC converter into one compact unit. It helps electric vehicle manufacturers simplify wiring, save installation space and improve overall power system integration.
3.3kW OBC+1.5kW DC-DC Converter 2-in-1
Product Description
The 3.3kW OBC + 1.5kW DC-DC Converter is an integrated power solution designed for 320V commercial electric vehicle platforms.
Combining onboard charging and high-power DC-DC conversion into one compact unit, this 2-in-1 solution helps EV manufacturers simplify vehicle electrical systems, reduce installation space and improve overall power integration.
With CAN-bus communication and comprehensive protection functions, it is suitable for electric commercial vehicles, utility vehicles, agricultural EVs and other high-voltage EV applications.
Key Features
Integrated OBC + DC-DC Design
Combines AC battery charging and DC voltage conversion functions into one compact enclosure, reducing wiring complexity and simplifying EV system integration.
320V Battery Platform
Designed for high-voltage electric vehicle platforms with a 320Vdc battery system.
High-Power DC-DC Conversion
Provides up to 1.5kW rated DC-DC output power for vehicle auxiliary systems.
High Efficiency Performance
- OBC Maximum Efficiency: ≥94%
- DC-DC Maximum Efficiency: ≥94%
CAN-bus Communication
Supports CAN Bus communication for vehicle control system integration.
Reliable Protection Functions
Integrated protection functions include:
- 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
On-Board Charger (OBC)
General Information
- Model: OD-CC-3D1F-320Y
- Battery Voltage Platform: 320Vdc
- Cooling Method: Forced Air Cooling
- Weight: ≤6kg
Input
- Input Voltage: 90-264Vac
- Input Frequency: 47-63Hz
- Input Current: 0-16A
- Power Factor: ≥0.98 (Above half load)
- Standby Power Consumption: ≤5W
Output
- Output Voltage: 195-450Vdc
- Output Current: 0-12A
- Output Power:
- 3300W @ 220Vac
- 1650W @ 110Vac
Performance:
- Constant Voltage Accuracy: ±1%
- Constant Current Accuracy: ±2%
- Maximum Efficiency: ≥94%
DC-DC Converter
Input
- Input Voltage: 195-450Vdc
- Input Current: 0-10A
Output
- Output Voltage: 9-16Vdc
- Rated Output Current: 110A
- Peak Current: 132A
- Rated Power: 1500W
- Peak Power: 1800W (6 minutes)
Performance:
- Voltage Adjustment Rate: ≤1%
- Load Adjustment Rate: ≤1%
- Voltage Control Accuracy: ≤1%
- Current Control Accuracy: ≤2%
- Maximum Efficiency: ≥94%
Protection & Safety
OBC Protection
- Input Under Voltage Protection: 90±5Vac
- Input Over Voltage Protection: 264±5Vac
- Output Under Voltage Protection: ≤190Vdc
- Output Over Voltage Protection: ≥455Vdc
- Over Current Protection
- Short Circuit Protection
- Over Temperature Protection
Temperature protection:
- Power reduction at 85℃
- Shutdown at 90℃
DC-DC Protection
- Input Under Voltage Protection: ≤190Vdc
- Input Over Voltage Protection: ≥455Vdc
- Output Under Voltage Protection
- Output Over Voltage Protection
- Over Current Protection (>132A)
- Short Circuit Protection
- Over Temperature Protection
Temperature protection:
- Power reduction at 90℃
- Shutdown at 105℃
- Automatic recovery after temperature decreases
Communication & Integration
- CAN Bus Communication
- High Voltage Interlock (HVIL)
- Charging Connection Confirmation (CC)
- Charging Connection Guide (CP)
- Wake-up Signal
Typical Applications
- Electric Commercial Vehicles
- High-voltage EV Platforms
- Utility Vehicles
- Agricultural EVs
- Special Purpose Electric Vehicles
Why Choose Our Integrated Power Solution?
For high-voltage commercial EV platforms, integrating OBC and DC-DC functions into one unit helps reduce system complexity and optimize vehicle space.
The 320V 3.3kW OBC + 1.5kW DC-DC integrated solution provides efficient charging and stable auxiliary power supply for modern electric vehicle applications.

