CTS 6.6kW Bidirectional On-Board Charger + 3.0kW DC/DC Converter
The CTS Charger 6.6kW Bidirectional OBC + 3.0kW DC/DC Converter is a highly integrated power electronics unit designed for next-generation electric vehicles, off-highway equipment, utility vehicles, agricultural machinery, and specialty EV platforms.
Combining a high-efficiency bidirectional on-board charger, V2L/V2V inverter function, and high-power DC/DC converter into a single compact liquid-cooled housing, this solution reduces system complexity, saves installation space, and improves overall vehicle efficiency.
Combines:
- 6.6kW Bidirectional On-Board Charger (OBC)
- 3.0kW High-Power DC/DC Converter
- V2L / V2V Inverter Function
A single compact unit simplifies vehicle integration and reduces wiring, weight, and installation costs.
Supports both:
- Grid-to-Vehicle (G2V) Charging
- Vehicle-to-Load (V2L)
- Vehicle-to-Vehicle (V2V)
The onboard inverter converts high-voltage battery power into stable 220VAC output for external loads, enabling mobile power applications and emergency power supply.
- Rated Charging Power: 6.6kW
- AC Input Voltage: 90–265VAC
- HV Output Voltage: 200–485VDC
- Maximum Output Current: 22A
- Peak Efficiency: 94%
- Power Factor: ≥0.99
Designed to maximize charging speed while minimizing energy loss.
Converts traction battery voltage into stable low-voltage power for vehicle auxiliary systems.
- Rated Output Power: 3000W
- Output Voltage: 9–16VDC
- Rated Output Current: 214A
- Peak Efficiency: 92%
Provides reliable power for lighting, control systems, pumps, fans, and onboard electronics.
- CAN FD Communication
- CAN 2.0 Compatible
- BMS Integration
- VCU Communication
- UDS Diagnostics Support
Enables seamless integration with vehicle control systems and supports customized communication protocols.
Built-in comprehensive safety protection functions:
- Input Overvoltage Protection
- Input Undervoltage Protection
- Output Overvoltage Protection
- Output Overcurrent Protection
- Short Circuit Protection
- Reverse Polarity Protection
- Communication Fault Protection
- Overtemperature Protection
- Automatic Fault Recovery
Ensures reliable operation in demanding vehicle environments.
- Liquid Cooling Design
- IP67 Protection Rating
- Operating Temperature: -40°C to +85°C
- Storage Temperature: -40°C to +105°C
- Altitude Capability: Up to 5000m
- Salt Spray Resistant
- Automotive Vibration Resistant
Suitable for both on-road and off-road applications.
| Parameter | Specification |
|---|---|
| Product Type | Bidirectional OBC + DC/DC Converter |
| OBC Rated Power | 6.6kW |
| DC/DC Rated Power | 3.0kW |
| Battery Voltage Platform | 320V |
| AC Input Voltage | 90–265VAC |
| AC Input Frequency | 45–65Hz |
| HV Output Voltage | 200–485VDC |
| HV Output Current | 0–22A |
| Charging Efficiency | Up to 94% |
| Power Factor | ≥0.99 |
| DC/DC Output Voltage | 9–16VDC |
| DC/DC Output Current | Up to 214A |
| DC/DC Efficiency | Up to 92% |
| V2L Output Voltage | 220VAC ±5% |
| V2L Output Frequency | 50Hz ±1Hz |
| V2L Power | 3.3kVA |
| V2V Power | 6kVA |
| Communication | CAN FD / CAN 2.0 |
| Cooling Method | Liquid Cooling |
| Protection Rating | IP67 |
| Weight | < 6.8kg |
| Dimensions | 298 × 255 × 69 mm |
Efficient onboard charging and auxiliary power management.
Integrated charging and low-voltage power supply in compact installations.
Ideal for electric tractors, feed mixers, and farm equipment requiring reliable onboard power conversion.
Supports electrified off-highway machinery operating in harsh environments.
Perfect for airport vehicles, mining equipment, municipal vehicles, and mobile power systems.
- High Integration Reduces System Cost
- Bidirectional Charging with V2L/V2V Capability
- Automotive-Grade Reliability
- Liquid-Cooled Thermal Management
- CAN FD Communication
- Compact and Lightweight Design
- OEM & Customization Support
- Global Technical Support
CTS Charger provides OEM and customized onboard charging solutions from 3.3kW to 22kW, including bidirectional OBCs, DC/DC converters, and integrated charging systems for electric vehicles and industrial electrification projects.
Contact our engineering team today to discuss your project requirements.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.