6.6kw on-Board Charger (OBC) Power Module for Evs

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6.6kw on-Board Charger (OBC) Power Module for Evs

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Product Description

Basic Specifications

Model NO.

VTC 6K6-220S380/540/640-M

Max Output Current

20A/14A/12A

Auxiliary Power

9~32VDC

Efficiency

Above 94%

Communication

Can-Bus

EMC Standard

GB/T18655:2008, En 55022

Specification

OBC Power Module

Origin

China

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Product Strengths

Full Series Product Range

We offer a comprehensive range of electronic control units for electric vehicles, including 6-in-1, 5-in-1, 4-in-1, and 3-in-1 integrated MCU and auxiliary motor control units. Our solutions cover Hybrid EVs, motor controller integrated systems, and gearbox-motor combinations.

• Power range covers from 3kW to 355kW.
• Applicable for Permanent Magnet Synchronous Motors (PMSM) and Asynchronous Motors.

Proven Safety and Reliability

Our modules have a track record of safe and reliable operation in over 6,000 buses across nearly 20 cities for 8-10 years. Individual units have successfully recorded 500,000 to 700,000 kilometers of operation.

Versatile Vehicle Applications

Over 600,000 units are utilized across various platforms:

Passenger Vehicles: From mini vans to 18m dual source trolleybuses.
Trucks: Light trucks (3.5-7.5 tons) to heavy-duty trucks (18-55 tons).
Specialized: Sanitation, sprinkler, dust suppression, and dock tractors.
Marine: Passenger, tourist, and cargo ships.

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Product Features

Cooling method: Efficient aluminum plate cooling

Supports on-line upgrade and remote fault diagnosis

High power density with modular design for easy integration

Full digital SW design with integrated protection functions

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Main Technical Parameters

Items	Technical Parameters	Remarks
Operation Temperature	-40~85°C	Aluminum temp
Nominal Output Power	6.6kW	-
Input Voltage Range	85~265Vac	-
Output Voltage Range	200~450Vdc / 400~650Vdc / 450~750Vdc	-
Max Output Current	20A/14A/12A	-
Auxiliary Power	9~32Vdc	VCC
Efficiency	≥94%	Nominal voltage
Voltage Accuracy	±1%	-
Current Accuracy	±3%	-
Low Voltage Wake-up	200mA max	Wake up BMS/VCU
Voltage Wake-up	AC/CC/CP/EN	Reserve charging function
Communication	CAN-BUS	-
Static Current	≤2mA	Sleep mode consumption
Protections	Input OVP/UVP, Output OVP/UVP, OTP, OCP, Short circuit, Communication fault

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Frequently Asked Questions

What is the energy efficiency of this 6.6kW OBC module?

The module features high-efficiency power conversion, achieving a rating of ≥94% at nominal voltage.

How is the module protected against electrical faults?

It includes a full suite of digital protections: Input/Output Over-Voltage (OVP), Under-Voltage (UVP), Over-Temperature (OTP), Over-Current (OCP), and output short circuit protection.

Does this module support different battery voltage levels?

Yes, it is designed with flexible output voltage ranges including 200~450Vdc, 400~650Vdc, and 450~750Vdc to meet various EV requirements.

What communication protocol does the module use?

The power module utilizes standard CAN-BUS communication for seamless integration with vehicle control units (VCU) and battery management systems (BMS).

Can the module be updated after installation?

Yes, the module supports on-line software upgrades and remote fault diagnosis to ensure long-term serviceability.

What is the operating temperature range?

The module is designed to operate reliably in harsh environments with a temperature range of -40°C to +85°C.

Product Detail

6.6kw on-Board Charger (OBC) Power Module for Evs

Product Description

Basic Specifications