Landworld Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV

• Customization: Available
• Output Voltage: 27V
• Transport Package: Cotton
• Model NO.: LWD3KCB6K6B-D27C380/640/850-W
• Specification: 326x211x83mm
• Trademark: LANDWORLD
• Origin: China
• Package Size: 40.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 12.000kg

Product Description

FEATURES

1.         Cooling method:Liquid cooled, flow rate≥8L/min

2.         IP rating:IP67

3.         Support inverter function

4.         Support on-line upgrading and fault diagnosis  

5.         Full digital software design, Redundant protection function design

 

MAIN TECHNICAL PARAMETERS

Items	Technical Specification			Remarks
OBC Electrical Features
Nominal output power	6.6KW
Input Voltage	85-265VAC
Input current	32A Max
Power factor	≥0.99(220Vac @ full load)
Output rated voltage	380	640	850
Output voltage range	200-470	400-750	500-950	Can be adjusted according to battery voltage
Max output current	22	14	12
Efficiency	≥94%			Typical efficiency
Voltage accuracy	±1%
Current accuracy	±3%
Inverter features
Input voltage range	250-470	450-750	500-950
Output voltage	220Vac(±5%)/50Hz
Power	3KVA
Efficiency	≥94%
Output harmonics(THDv)	<3%(Linear load)
Dynamic response	60ms(Linear load)
DC/DC Electrical Features
Input voltage	200-470	400-750	500-950
Input current	<16A
Efficiency	≥94%
Output voltage	18-32V
Nominal voltage	27.5V
Nominal output current	110A
Nominal power	3KW
Peak power	3.6KW
Voltage ripple	300mV Max
Other Electrical Features
Operating temp.	-40-85℃			Coolant inlet temperature
Low voltage wake-up	12Vdc&200mAmax(WAKE_UP signal			Wake up BMS/VCU
Wake-up mode	CAN, AC,DC,CC/CP, EN(Hardwire)			Support reserve charging
CAN communication	CAN-BUS
Static current	≤1mA			Sleep mode/ consume battery current at stop status
Protection	Input OVP, UVP, output OVP, UVP, OTP, OCP, output short circuit protection, communication fault protection

APPLICATIONS

New Energy Passenger Vehicle

Electric Commercial Vehicle

New Energy construction Machinery 

R&D STRENGTH AND MANUFACTURING STRENGTH SHOW

R&D Strength

 Manufacturing Strength

We have pushed continuous innovation in power electronics with an expert R&D team developing advanced EV power solutions. Our investment in technology and collaboration with industry leaders ensures compliance with global standards, which has enabled us to deliver customized, high-performance, and reliable solutions.

Our facilities feature intelligent systems for efficient production. With certifications like ISO26262, IATF 16949, and ESD S20.20, we uphold strict quality standards. Flexible production lines allow us to meet diverse demands while maintaining consistent quality and reliability for the global EV market.

FAQ

1. How does the Landworld Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product simplify system integration for OEMs?
The Landworld Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product consolidates two essential power modules into one compact housing, reducing wiring complexity, saving installation space, and streamlining thermal management. This integrated solution helps OEMs accelerate development timelines and reduce overall system cost.

2. What are the key benefits of bidirectional functionality in the Landworld 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product?
The Landworld Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product supports energy flow in both charging and discharging directions, enabling advanced features such as vehicle-to-load (V2L) or vehicle-to-vehicle (V2V). This bidirectional capability provides flexibility for energy management in modern EV architectures.

3. What protections are built into the Landworld Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product?
The Landworld Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product features full digital control with redundant protection mechanisms, including overvoltage, overtemperature, short-circuit, and CAN fault detection. These features ensure safe and stable performance across diverse operating environments.