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DROPBEATS DB2605 Optimizes AC Charging Stations

Visionary Charging Communication

A charge controller based on Qualcomm Power Line Communication (PLC) chips combined with an ISO 15118 software stack enables EVSE manufacturers to seamlessly integrate proven HomePlug Green PHY technology into their charging stations.

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Combined Experience in Power Line Communication and ISO 15118

Founded in March 2015 and headquartered in Shanghai, DROPBEATS Technology Co., Ltd. brings together a lot of years of combined experience in Power Line Communication (PLC) and ISO 15118. The company provides market-proven, intelligent charging solutions as well as professional services for global EV and EVSE customers. With more than 100 customers worldwide and over one million delivered products, DROPBEATS is one of the leading providers in the industry. Since 2024, the company has also been a core member of CharIN (www.charin-global).

Proven Expertise

The portfolio includes well-tested charging and communication controllers for electric vehicles and charging stations. The EV charging communication controller DB2605 equips AC charging stations with ISO 15118 capabilities, enabling secure authentication, billing, and reliable data exchange. It supports innovative features such as Plug-and-Charge (PnC), allowing electric vehicles to be charged automatically without the need for separate RFID cards or mobile apps.

Highlights of DB2605

  • HomePlug Green PHY Chipset: HP GP Qualcomm QCA7005-AL33
  • Powerful MCU: Qualcomm latest low power high performance MCU at 320MHz
  • Memory: 4MB RAM/4MB Flash
  • Security: build-in HSM support TL & firmware security, Common Criteria
  • EAL 4+ certified, IPS 140-2 certified and NIST ECC curves (up to 521 bits key length)
  • Compatibility: ISO 15118-2 and ISO 15118-20

DB2605 – Controller for AC Charging

The DB2605 is based on the Qualcomm QCA7005 and a powerful, energy-efficient 32-bit MCU from Qualcomm. It runs a real-time operating system with a full software stack supporting the standards ISO 15118-2, ISO 15118-20, and IEC 61851. For customers who require a complete communication controller for their DC EVSE, it is worth taking a look at the latest product in the DROPBEATS portfolio: the DB-SECC-601 – a state-of-the-art Supply Equipment Communication Controller (SECC) for DC fast charging stations.

DB-SECC-601 – Advanced Communication Controller for DC Fast Charging

The DB-SECC-601 enables seamless and secure communication between electric vehicles (EVs) and charging stations. It ensures reliable authentication, secure data exchange, and compliance with global standards, making it a key component of modern charging infrastructures.

With Plug & Charge (PnC), remote firmware updates, and real-time security monitoring, the controller supports the intelligent integration of charging infrastructures into modern EV ecosystems. This makes it the ideal solution for charging station manufacturers, energy providers, and smart grid operators looking to optimize charging reliability, efficiency, and security within their networks.

Key Features & Capabilities

Comprehensive Charging, Communication Support

  • Full Compliance with Global Charging Standards: supports ISO 15118-2, ISO 15118-20, ISO 15118-3, and DIN SPEC 70121, enabling Plug & Charge (PnC) functionality, encrypted communication, and enhanced security for DC fast charging
  • Compatible with IEC 61851-1 and IEC 61851-23, ensuring interoperability with various CCS1, CCS2, and NACS connectors for worldwide deployment.

Robust Communication Interfaces

  • CAN (Controller Area Network) interface: serves as the primary interface for EVSE-to-EV communication, ensuring reliable and efficient data transmission during the charging session.
  • Ethernet (ETH) for Firmware Management & Security: enables remote firmware updates, logging, and certificate installation or renewal, ensuring up-to-date security and feature enhancements.
  • Multi-protocol support: supports MQTT, Web-Socket, and FTP clients, allowing seamless cloud-based monitoring, data exchange, and remote management.
  • RS232 Debugging & Local Maintenance: provides a direct interface for local troubleshooting, system diagnostics, and real-time debugging for maintenance teams

Intelligent Safety & Control Mechanisms

  • Control Pilot & Proximity Pilot Loss Detection: ensures safe and reliable disconnection if the control or proximity pilot signals are lost, preventing electrical hazards and enhancing safety
  • High-speed Digital Output (DO) interface: fast hardware detection mode: responds in less than 1ms for real-time system protection
  • Hybrid hardware/software detection mode: ensures a response time of less than 5ms, balancing speed and flexibility. Standard CAN-based Interface for Normal Operations
  • Supports vehicle and charging station status monitoring for precise charge control and fault detection

In summary, DROPBEATS offers a complete range of EVSE AC and DC chargers, powerline communication controllers, and EV charging controllers. The products are well-proven and widely used by many companies, primarily in the APAC region, but also in North America and Europe.

Your Contact Person

Contact Christian Nick for further information about DROPBEATS solutions.

Christian Nick is Product Line Manager.
Christian Nick Product Line Manager +49 172 267 51 21 E-MAIL