On Board Chargers for Electric Vehicles
Jenwyn Tech supplies on board chargers (OBCs) for a wide range of electric vehicle applications, with power ratings ranging from 3.3 kW to 20 kW. Our OBC solutions support both single-phase and three-phase charging architectures, with air-cooled and liquid-cooled configurations available to meet different vehicle integration requirements.
Designed for commercial and specialty EV platforms, our on board chargers feature compact packaging, high power density, and flexible system integration capabilities. Supporting customized charging strategies, multiple communication interfaces, and vehicle-level integration and calibration, our solutions are suitable for a variety of applications, including electric and hybrid passenger vehicles, SUVs, trucks, buses, light-duty commercial vehicles, construction machinery, and special-purpose vehicles.
High Power Density & Compact Integration
High power density and compact packaging enable flexible integration into various electric vehicle platforms.
Reliable Charging Performance
Integrated safety protection and thermal management features support stable and dependable charging operation.
Proven Application Experience
Successfully applied in domestic and international OEM vehicle projects, supporting both prototype validation and mass production requirements.
On Board Chargers Product Portfolio
We offer a wide range of on board chargers from 3.3 kW to 20 kW, covering different vehicle requirements and charging architectures. The portfolio includes single-phase and three-phase OBCs, as well as air-cooled and liquid-cooled designs, providing flexible options for various electric vehicle platforms.
Typical Applications
- 3.3 kW on board chargers: compact EVs, small electric vehicles
- 6.6 kW on board chargers: passenger cars, SUVs
- 11 kW on board chargers: premium passenger EVs, SUVs
- 22 kW on board chargers: commercial EVs, electric vans, light trucks
|
Power
|
Input Voltage
|
Output Voltage
|
Cooling Method
|
Dimension
|
Weight
|
|---|---|---|---|---|---|
|
3.3 kW
|
90-265 VAC
|
0-500 VDC
|
Air cooled
|
328*260*112 mm
|
7.5 kg
|
|
4 kW
|
90-265 VAC
|
0-450 VDC
|
Air cooled
|
328*260*112 mm
|
8 kg
|
|
6 kW - single phase
|
90-265 VAC
|
0-450 VDC
|
Air cooled
|
370*273*112 mm
|
13.5 kg
|
|
6 kW - three phase
|
152-456 VAC
|
0-450 VDC
|
Air cooled
|
370*273*112 mm
|
13.5 kg
|
|
6.6 kW
|
90-265 VAC
|
0-850 VDC
|
Air cooled
|
302*211*113 mm
|
11 kg
|
|
20 kW - single phase
|
90-265 VAC
|
0-850 VDC
|
Liquid cooled
|
550*297*100 mm
|
25 kg
|
|
20 kW - three phase
|
152-456 VAC
|
0-850 VDC
|
Liquid cooled
|
550*297*100 mm
|
25 kg
|
* For additional configurations and customized solutions, please contact us at: contact@jenwyntech.com
Why Choose Our On Board Chargers
High-Frequency Digital Control Technology
The on board chargers use high-frequency digital control technology to improve power conversion efficiency and achieve a compact design with high power density. The structure is designed for easier integration into different vehicle platforms.
Integrated Thermal Management Design
The OBC housing adopts an integrated die-cast structure with a patented 3D cooling channel design, supporting heat dissipation performance and stable operation. Air-cooled and liquid-cooled configurations are available according to different vehicle application requirements.
Wide DC Output Voltage Range
The on board chargers support a wide DC output voltage range, allowing adaptation to different battery system configurations and vehicle platforms.
Electrical Safety and EMC Compliance
The OBC incorporates electrical isolation and multiple protection functions, including abnormal charging protection, to support safe charging operation. The design complies with vehicle-level EMC requirements.
Communication and Software Configuration
The OBC supports CAN 2.0B communication and standard UDS diagnostic development. Software parameters and charging strategies can be configured, updated, and adjusted according to specific vehicle system requirements.
Manufacturing and Quality Assurance
We operate a structured manufacturing and quality management system based on standards such as IATF 16949 and ISO 9001. From component sourcing and PCBA production to final assembly and functional testing, each production stage is managed through defined processes and traceability systems to support consistent product quality and reliable delivery.
Manufacturing Process Control
Our production processes incorporate comprehensive control procedures throughout SMT, PCBA assembly, and final product manufacturing, including:
- Component traceability and material verification
- SMT process monitoring and inspection
- SPI and AOI inspection
- PCBA process tracking
- Assembly process control
Comprehensive Testing and Traceability
Each on board charger undergoes functional testing and quality inspection before delivery. Manufacturing data, test results, and repair records are maintained. Testing capabilities include:
- ICT functional testing
- ATE performance testing
- Finished product inspection
- Failure analysis and corrective actions
- Repair and rework record tracking
- OQA inspection
Production Data Management
Our production data management system provides full traceability throughout the manufacturing process, covering components, semi-finished products, and finished products. The system enables efficient tracking of:
- Material and component information
- Production process records
- Functional test results
- Product quality history
- Repair and rework records
Engineering Support for EV System Integration
Successful EV projects require effective technical communication between vehicle developers and system suppliers. We provide technical support for our EV systems, including product documentation, interface information, communication protocols, and engineering assistance during system integration.
Our support helps customers better understand system requirements, address technical issues during development and testing, and improve integration efficiency throughout the project lifecycle.
Our support includes:
- Review EV system configurations and identify potential risks
- Discuss vehicle requirements, interfaces, and application conditions
- Provide 3D and STEP files for layout and mechanical fit assessment
- Support sample installation, commissioning, and validation
- Support fault diagnosis and system troubleshooting
- Provide continuous technical communication throughout the project
Global Delivery & Application
Frequently Asked Questions
Jenwyn Tech provides on board chargers (OBC) solutions from 3 kW to 20 kW, covering a wide range of electric vehicle applications including passenger vehicles, SUVs, commercial EVs, electric trucks, buses, and specialty vehicles.
Different power ratings, voltage configurations, cooling methods, and charging architectures are available to meet specific vehicle platform requirements.
Our on board chargers support a wide range of battery voltage platforms, from low-voltage systems to high-voltage electric vehicle applications.
Available configurations include common battery systems such as 96V, 144V, 360V, 540V, and high-voltage platforms.
Customized voltage and output configurations can be developed according to vehicle requirements.
Yes. Jenwyn Tech provides both single-phase and three-phase on board charger solutions.
Single-phase OBCs are commonly used for passenger EVs, SUVs, and light-duty vehicle applications, while three-phase OBCs are suitable for higher-power charging requirements in commercial EV platforms and fleet vehicles.
Jenwyn Tech offers both air-cooled and liquid-cooled OBC solutions.
Air-cooled configurations are suitable for compact and medium-power applications, while liquid-cooled designs are available for higher-power vehicle platforms requiring additional thermal management capability, such as electric trucks, buses, and specialty vehicles.
Our OBC platforms support CAN 2.0B communication and standard UDS diagnostic development for vehicle system integration.
Software parameters, charging strategies, and diagnostic functions can be configured and updated according to customer requirements during vehicle development and production.
Yes. Jenwyn Tech’s on board chargers have been applied in domestic and international electric vehicle programs, supporting both prototype validation and mass production projects.
With established manufacturing processes and quality management systems based on IATF 16949 and ISO 9001 standards, we support OEM customers from initial development through production supply.
Some of our OBC models support additional functions such as Vehicle-to-Load (V2L). The availability of these functions depends on the specific OBC configuration.
For detailed technical specifications and function availability, please contact our engineering team for evaluation and solution confirmation: contact@jenwyntech.com
Typical production lead time is approximately 60 days, depending on product configuration, order quantity, and production scheduling. Please contact our sales team for project-specific delivery schedules.