IEC61851-1:2010Electric vehicle conductive charging system -Part 1:
General requirements, conductive charging systems for electric vehicles Part 1: General requirements.
ISO15118-1:2013 Road vehicles - Vehicle to gridcommunicationinterface
-Part 1: General information and use-casedefinition, Road Vehicles - Vehicle-to-Electricity
Web Communication Interfaces Part 1: General Information and Use Case Definitions.
ISO15118-2:2014 Road vehicles - Vehicle-to-GridCommunication
Interface-Part 2: Network and application protocolrequirements, road vehicles
Vehicle-to-Grid Communication Interface Part 2: Network Layer and Application Layer Protocol Requirements.
ISO15118-3:2015 Road vehicles - Vehicle to grid Communication Interface
-Part 3: Physical and data link layer requirements, road vehicles - vehicles to the grid
Communication Interfaces Part 3: Physical Layer and Data Link Layer Requirements.
DIN70121:2014Electromobility -Digital communication between a d.c. EV
charging station and an electric vehicle forcontrol of d.c. charging in
the Combined Charging System, which controls the application between the charging station for DC charging and the electric vehicle
Digital communication for hybrid charging systems.
GB/T 27930-2015 Communication between off-board conductive chargers and battery management systems for electric vehicles
agreement.
Functions&Parameters
Features
(1) Support DIN70121-2014 DC charging protocol;
(2) Support ISO15118-2014 DC EIM DC charging protocol;
(3) Support ISO15118-2014 AC EIM AC charging protocol;
(4) Support IEC61851-1 BC mode AC charging;
(5) DIN70121 Protocols and ISO15118 Protocols can be selected automatically;
(6) AC charging and DC charging modes are configured by software parameters or hardware switches;
(7) AC EIM mode and BC mode are automatically selected for AC charging;
(8) The communication protocol with the main control of the charging pile is a custom protocol (which can be expanded according to needs) or
GBT27930 agreement;
(9) It can output diagnostic information from the serial port in real time, which is convenient for fault diagnosis;
(10) Able to record fault and event logs, and be able to check logs from CAN port.
Technical Parameters
(1) Supply voltage range: 9~28VDC, typical value 12VDC/24VDC;
(2) Power consumption: ≤5W;
(3) Ambient temperature: -40~+85°C;
(4) 1-way CAN communication interface for communication with the main controller of the charging pile;
(5) 1 RS232 communication interface for log output and software upgrade;
(6) Two temperature sensor acquisition inputs for charging gun temperature monitoring;
(7) According to the requirements of the standard, reserve the zero-crossing detection interface;
(8) CAN2.0B interface, baud rate supports 100/125/250/500kbps.
Charging Diagram
Product Category
Dongduo specializes in innovative EV charging technology, offering:
- DC Fast Chargers: Power ranges from 320kW to 960kW, supporting CCS, CHAdeMO, and GB/T standards.
- AC Chargers: 7kW, 11kW, and 22kW models for home, commercial, and public charging.
- Charging Control Boards: Intelligent management, real-time monitoring, and cloud connectivity.
- Charging Modules: 20kW, 30kW, and 40kW high-efficiency power conversion solutions.
With over a decade of R&D expertise, IP54-rated durability, and OEM customization services, we provide efficient, reliable, and scalable charging solutions for various applications.
Company Profile


FAQ
F:Do you offer OEM and customization services for EV chargers and components?
Q:Yes, we provide OEM and customization services to meet specific client requirements. Whether it's branding, product design, or software integration, our R&D team can develop tailor-made solutions.
F: What types of EV chargers and core components do you manufacture?
Q:We specialize in the production of AC & DC EV chargers, charging modules, main control boards, and other essential components. Our chargers range from 7kW AC units to high-power 360kW DC fast chargers, catering to diverse market needs.
F: What quality certifications do your products have?
Q:Our products comply with international standards such as ISO9001, CE, and IEC. We ensure strict quality control at every stage of production to meet global safety and performance standards.
F:How does your automated production line improve efficiency and product quality?
Q:Our fully automated production lines ensure precision manufacturing, high efficiency, and consistent product quality. This advanced setup allows us to scale production while maintaining rigorous quality assurance processes.
F: Do you provide technical support and after-sales service?
Q:Yes, we offer comprehensive technical support including remote diagnostics, firmware updates, and troubleshooting assistance. Our after-sales service ensures smooth operation and long-term reliability for our clients.
F:What is your typical lead time for bulk orders?
Q:Lead times vary based on order quantity and customization requirements. For standard models, production and delivery typically take 4-6 weeks. For customized solutions, we provide an estimated timeline based on project complexity.