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Core PCBA boards for our full range of EV chargers, covering key modules including main control, power supply, communication, and metering, with support for custom development.
Single-phase BX Main Control Board
SDEE_AC_GB1BX is the main control board for the AC single-gun charging pile series, primarily used in GB/T 3.5/7kW AC single-gun charging piles, Mode 2 AC, portable AC chargers, and on-board chargers.
AC Single-Phase FM Main Control Board
The SDEE_AC_FM is an AC series main control board developed in-house by our company. It is primarily designed for GB-standard single-gun AC charging piles, including wall-mounted and floor-standing models.
Single-Phase AC FQ Main Control Board
SDEE-AC-GB1FQ is the main control board for the single-gun AC charging pile in the Communication series, primarily used for GB-standard 7kW single-gun AC charging piles, wall-mounted AC piles, or floor-standing AC piles.
EU Standard AC Single-Pole Main Control Board
SDEE-AC-OB1 is the main control board for our independently developed AC charging pile series, primarily used in Euro-standard single-gun AC charging piles, wall-mounted AC units, and floor-standing AC units.
Single-wire AC Main Control Board
SDEE-AC-GB1TP is the main control board for single-gun AC charging piles in the communication series, primarily used in GB-compliant three-phase 11/22kW single-gun AC charging piles, wall-mounted AC chargers, or floor-standing AC chargers.
EU AC Single-Plug TR Main Control Board
SDEE-AC-OB1TR is our company's independently developed Euro-standard AC single-pole main control board, primarily used for Euro-standard three-phase 11/2 2KW AC single-pole charging stations, wall-mounted AC chargers, or floor-standing AC chargers.
Dual-socket AC Main Control Board
SDEE-AC-GB2FQ is the main control board for the dual-gun AC charging station in the Exchange series, primarily used with GB-standard 14kW dual-gun AC charging stations, available in wall-mounted or floor-standing configurations.
Dual-socket AC Main Control Board
SDEE-AC-OB2 is the main control board for our company's self-developed AC charging series, primarily used in Euro-standard dual-gun AC chargers, wall-mounted AC units, and floor-standing AC units.
AC/DC Integrated Main Control Board
SDEE_ACDC_GB2 is the main control board unit of our company's self-developed AC/DC integrated dual-gun charging pile. The board features a high-reliability integrated AC-DC power module and provides multiple DI, DO, digital communication, and analog sampling interfaces. It supports various charging methods including VIN code recognition, card swiping, QR code scanning, appointment booking, and screen/keypad input. Built-in components include a high-precision metering unit, electronic lock controller, large-capacity FLASH memory, and multiple open/close input/output channels. The system supports multi-period, multi-rate billing modes and integrates comprehensive protection functions such as emergency stop, access control alerts, overvoltage, undervoltage, overcurrent, undercurrent, and overtemperature protection. Designed to meet diverse application scenarios, it is suitable for terminal deployment in wall-mounted and floor-standing all-in-one charging piles.
GB DC Single Gun Main Control Board
SDEE-DC-GB1 is the main control board for our self-developed DC charging series, primarily used in GB-standard single-gun DC chargers, wall-mounted compact DC units, and mobile integrated storage-charging stations.
GB Standard DC Single-Port Onboard Insulation Main Control Board
SDEE-DC-GB1JY is the main control board for our company's self-developed DC charging series. It features an integrated insulation detection circuit and offers simple wiring. Primarily used in GB-standard single-gun DC chargers, wall-mounted compact DC units, and mobile storage-integrated charging stations.
EU/US Standard DC Single Gun Main Control Board
SDEE-DC-OB1CC is the main control board for our self-developed DC charging series, primarily designed for Euro-standard single-gun DC chargers and US-standard single-gun DC chargers. It is suitable for wall-mounted small DC units, floor-standing integrated stations, or charging stacks.
GB Standard Dual-Port DC Main Control Board
SDEE-DC-GB2 is the main control board independently developed by our company for DC charging series. It is primarily used in GB-standard dual-gun DC charging piles, heavy-duty truck chargers, integrated storage-and-charging stations, and terminal piles within charging stacks.
GB Standard Dual-Port Onboard Insulation Main Control Board
SDEE-DC-GB2JY is the main control board developed in-house for our DC charging series, primarily used in GB-standard dual-gun DC chargers, heavy-duty truck chargers, integrated storage-and-charging stations, and terminal units of charging stacks.
EU/US Standard DC Dual-Charge Main Control Board
SDEE-DC-OB2 is the main control board for our company's self-developed DC charging series, primarily designed for dual-gun DC charging stations including Euro-standard, US-standard, one-country-one-Euro, one-country-one-US, one-Euro-one-US, and GB-standard configurations. It is compatible with wall-mounted, floor-standing all-in-one units, or charging stacks.
Master board for four-gun slave-master system
The master-slave 4-gun charging station consists of one PDU mainboard and two dual-gun mainboards. The power modules and power switching are located on the master unit. Both the master and slave units display independently and communicate with the operations platform.
Quad-Machine Main Control Board
A 4-gun charger consists of one PDU mainboard and two dual-gun mainboards. Each dual-gun mainboard supports two charging guns. The PDU mainboard displays information for all four guns on a screen and communicates with the operations platform.
Charging Pile PDU Control Board
The charging pile PDU control solution employs a PCU with latching relays for switching, primarily used in DC charging piles and modular DC chargers. It supports flexible configuration with 6 to 18 charging guns.
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Charging pile contactor control board
The SDEE-DC-PowerDistribute is our company's self-developed main control board for the DC charging series, primarily used in charging pile host units, split-type charging pile hosts, and group charging pile hosts.
Ethernet
The SDEE-ETH is a hardware TCP/IP embedded Ethernet controller module designed by our company based on the W5500 chip, providing a simpler internet connectivity solution for motherboards. The module integrates a TCP/IP protocol stack, 10/100 Ethernet MAC and PHY, communicates with an external MCU via a SPI interface, supports high-speed SPI communication up to 80 MHz, and includes Wake-on-LAN (WOL) and power-down modes to reduce system power consumption.
Global 4G
SDEE-4G All-Band is a 4G LTE Cat 1 bis wireless communication module based on Quectel's EG800AK-CN, designed specifically for M2M and IoT applications. The module supports LTE-FDD and LTE-TDD all-band frequencies, with a maximum downlink speed of 10Mbps and a maximum uplink speed of 5Mbps.
EU 4G
SDEE-4G- Euro Standard is an LTE Cat 1 wireless communication module based on the Quectel EC200U-EU modem, designed for the EMEA region. It supports LTE-FDD bands B1/B3/B5/B7/B8/B20/B28, LTE-TDD bands B38/B40/B41, and GSM B2/B3/B5/B8. Featuring LCC packaging, it integrates rich industrial-standard interfaces including UART, USB 2.0, SPI, I2C, and ADC, and supports FOTA remote updates.
Bluetooth Wi-Fi (Espressif)
The SDEE-Bluetooth-WIFI (Espressif) is a dual-mode WiFi + BLE communication module operating in the 2.4GHz frequency band with an integrated PCB antenna. It communicates with the host MCU via UART-TTL serial interface and supports transparent wireless data transmission. The module features Espressif's ESP8684 series chip, integrating a RISC-V 32-bit single-core processor with a clock speed up to 120MHz. It includes 2MB/4MB Flash memory and offers abundant GPIOs and peripheral interfaces.
Bluetooth & Wi-Fi (Tuya)
The SDEE-Bluetooth-WIFI (Tuya) is a dual-mode WiFi + BLE communication module operating on the 2.4GHz band. It shares an onboard antenna for both WiFi and Bluetooth, interfaces with the main MCU via UART-TTL serial, and supports wireless data transparent transmission.
Large Swipe Board
The SDEE-RF is a non-contact IC card reader/writer module independently developed by our company. It operates on a 5V power supply, offers an RS232 serial communication interface, supports both the initial power-on protocol and industry standard protocols, and enables reading and writing of Type A and Mifare One (MF1) cards compliant with ISO14443.
Single-channel insulation monitoring
IMDCH1MV is a dual-channel DC insulation monitoring module independently developed by our company, supporting single-channel insulation monitoring and single-channel battery voltage monitoring. It integrates functions such as insulation resistance monitoring, DC voltage monitoring, and RS485 communication. The module can collect ground insulation values for DC 100~1000V and DC voltage values for DC 100-1000V, transmitting data via RS485. It features high accuracy, fast response, and enhanced security.
Small Swipe Card
The SDEE-RF-FM is a non-contact IC card reader/writer module developed in-house. The mainboard operates at 5V and features an RS232 serial communication interface. It supports both the first-power protocol and industry-standard protocols, enabling read/write operations for Type A and Mifare One (MF1) cards compliant with ISO14443.
Dual-channel insulation monitoring module
IMDCH2MV is a dual-channel DC insulation monitoring module independently developed by our company, supporting dual-channel insulation monitoring and dual-channel battery voltage monitoring. It integrates functions such as insulation resistance measurement, DC voltage measurement, and RS485 communication. The module can measure ground insulation values for DC 100~1000V and DC voltage values for DC 100-1000V, with data transmitted via RS485. It offers high accuracy, fast response, and enhanced safety.
Contactless Smart Card Reader
The NTS-L13-UA is a non-contact smart card reader/writer capable of reading and writing 13.56MHz non-contact smart cards based on ISO14443 TYPE A/B and ISO15693 protocols, as well as NFC electronic tags. It communicates with host computers and related devices via USB 2.0 or RS232 serial interfaces. The USB interface supports plug-and-play functionality without requiring driver installation. The product includes multi-platform, multi-language SDKs for secondary development, featuring comprehensive function APIs and sample source code. It supports Windows, Linux, Android, UnionTech UOS, Kylin, and HarmonyOS operating systems.
Dynamic load balancing monitoring
The SDEE-DLB is a dynamic load-balancing master board that monitors real-time load conditions to adjust charging station power. It is primarily used in scenarios where power capacity is limited but EV charging stations are required.
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Electric Scooter Main Control Board
The E-Motorcy-Board is a single-channel DC insulation monitoring module designed to work with the main DC controller for single-gun charging piles and multi-gun charging stacks.
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E-bike Main Control Board
The Electric-bicycle-Board is a DC insulation monitoring dual-channel module, primarily designed to work with the DC main control board for dual-charging-pistol and charging pile applications.
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