The MH-DC1905T is a self-developed DC charging pile billing control unit It is specifically designed for electric vehicle (EV) charging stations, integrating multiple functionalities like HMI (Human-Machine Interface), payment systems, and communication with the operation management platform. The core of this control unit is a heterogeneous multi-core Arm® Cortex® processor, featuring a customized Linux operating system. It also supports 7 to 10-inch high-definition touch screens and various communication interfaces, making it a versatile and high-performance control solution for EV charging stations.
Key Features of the MH-DC1905TPowerful Processing Core
- 1.2GHz Arm Cortex-A5 core paired with a 32-bit RISC core running at 200MHz.
- Supports high-speed data processing and secure communication for real-time control.
- Powerful Processing Core1.2GHz Arm Cortex-A5 core paired with a 32-bit RISC core running at 200MHz.Supports high-speed data processing and secure communication for real-time control.
Flexible Communication Options
- Ethernet: Two Ethernet ports, including 10/100 Mbps and 100M/1000M self-adaptive interfaces.
- Wireless Communication: Full 4G network support via PCIE slots, making it adaptable to various installation environments.
- Serial Communication: Seven UART interfaces, three RS-232 ports, and three RS-485 ports for connecting to multiple peripheral devices.
- Flexible Communication OptionsEthernet: Two Ethernet ports, including 10/100 Mbps and 100M/1000M self-adaptive interfaces.Wireless Communication: Full 4G network support via PCIE slots, making it adaptable to various installation environments.Serial Communication: Seven UART interfaces, three RS-232 ports, and three RS-485 ports for connecting to multiple peripheral devices.
Rich Peripheral Interfaces
- SIM and PSAM Slots: Two SIM card slots for secure communication and one PSAM slot for cryptographic processing.
- Digital I/O: 16 GPIOs, 6 DI, and 6 DO interfaces, providing extensive flexibility for connecting sensors, actuators, and external devices.
- Display and Input: Supports LVDS and parallel 8080 monochrome LCD interfaces, along with a 4x4 keyboard interface for user inputs.
- Rich Peripheral InterfacesSIM and PSAM Slots: Two SIM card slots for secure communication and one PSAM slot for cryptographic processing.Digital I/O: 16 GPIOs, 6 DI, and 6 DO interfaces, providing extensive flexibility for connecting sensors, actuators, and external devices.Display and Input: Supports LVDS and parallel 8080 monochrome LCD interfaces, along with a 4x4 keyboard interface for user inputs.
Industrial-Grade Durability
- Certified for harsh environments, including electrostatic discharge (ESD), radio frequency interference, and extreme temperature ranges (-40°C to 85°C), ensuring stable operation even in tough conditions.
- Industrial-Grade DurabilityCertified for harsh environments, including electrostatic discharge (ESD), radio frequency interference, and extreme temperature ranges (-40°C to 85°C), ensuring stable operation even in tough conditions.
Security Features and the Role of SP2302
The SP2302 is a critical component in enhancing the security and reliability of the MH-DC1905T. This secure IC module provides advanced security mechanisms crucial for safe and reliable EV charging operations, including:
Data Encryption and Decryption
- The SP2302 ensures secure data transmission between the EV charger and the backend servers, protecting sensitive customer information like payment details and user credentials.
- Data Encryption and DecryptionThe SP2302 ensures secure data transmission between the EV charger and the backend servers, protecting sensitive customer information like payment details and user credentials.
Authentication and Secure Key Management
- It provides robust authentication mechanisms to prevent unauthorized access and ensure the integrity of communication channels.
- Authentication and Secure Key ManagementIt provides robust authentication mechanisms to prevent unauthorized access and ensure the integrity of communication channels.
Tamper Resistance
- Built-in tamper detection features help prevent physical attacks, enhancing the overall security of the charging system.
- Tamper ResistanceBuilt-in tamper detection features help prevent physical attacks, enhancing the overall security of the charging system.
Secure Boot and Firmware Protection
- Ensures that only authenticated firmware can be executed, providing a critical line of defense against malware and unauthorized code execution.
- Secure Boot and Firmware ProtectionEnsures that only authenticated firmware can be executed, providing a critical line of defense against malware and unauthorized code execution.
The integration of SP2302 in the MH-DC1905T offers several advantages:
- Enhanced Data Security: Protects sensitive user data from cyberattacks and data breaches.
- Reliable System Operation: Prevents unauthorized firmware modifications, ensuring the system operates as intended.
- Regulatory Compliance: Facilitates compliance with industry standards for security and data protection, essential for commercial EV charging networks.
- Cost Efficiency: Reduces the need for additional security modules, simplifying the system architecture and lowering operational costs.
Conclusion
The MH-DC1905T is a robust and secure solution for EV charging systems, offering exceptional processing power, flexible connectivity options, and industrial-grade reliability. The integration of the SP2302 further strengthens its security posture, making it a reliable choice for EV charging infrastructure in both commercial and public settings.
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