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

Product Description

FEATURES

  • Cooling method: Liquid cooled, flow rate ≥ 8L/min
  • 🛡️ IP rating: IP67
  • 🔄 Support inverter function
  • 💻 Support on-line upgrading and fault diagnosis
  • ⚙️ 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

Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV
New Energy Passenger Vehicle
Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV
Electric Commercial Vehicle
Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV
New Energy Construction Machinery

R&D STRENGTH & MANUFACTURING SHOW

Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV
R&D 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.
Bidirectional 6.6kw on-Board Charger 3kw DC/DC 2 in 1 Integration for EV
Manufacturing Strength
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

Q1: How does the Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product simplify system integration for OEMs?
The 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.
Q2: What are the key benefits of bidirectional functionality in the 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product?
The 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.
Q3: What protections are built into the Bidirectional Liquid Cooled 6.6kW OBC + 3kW DC/DC 2-in-1 Integrational Product?
The 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.
Q4: What is the cooling method and environmental protection rating of this module?
The system utilizes liquid cooling with a minimum required coolant flow rate of 8 liters per minute. It is fully qualified to meet the IP67 protection rating, offering dustproof performance and resistance against water immersion.
Q5: What are the electrical output characteristics of the DC/DC converter segment?
The integrated DC/DC converter operates with an efficiency of ≥94%. It provides a nominal output voltage of 27.5V (adjustable range 18-32V), delivers a nominal current of 110A, supports a nominal output power of 3kW, and can reach a peak power output of 3.6kW.
Q6: Which quality standards and certifications do the manufacturing facilities comply with?
The manufacturing facilities conform to international automotive standards, holding critical certifications such as ISO26262 for functional safety, IATF 16949 for automotive quality management systems, and ESD S20.20 for electrostatic discharge control.

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