EVCC-01 LITTELFUSE | Alldatasheet
Document overview
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Technical content
Littelfuse.com/EVCC-01 ©2025 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/12/2025
Description
The EVCC-01 is a single PCBA solution providing full control functionality for Mode 3 EV charging, compliant with IEC 61851. Designed for integration into OEM EVSE such as charging stations or units, it supports communication via control pilot, continuous current monitoring, 6 mA dc fault detection, and external IO interfaces. Optional features include ventilation control, EV plug locking, and remote switching. The controller supports single-phase and three-phase systems up to 32 A, with live load current adjustment for supply balancing. Fully compliant with IEC 61851 and IEC 62955, the EVCC-01 can also be configured to meet UK wiring regulation BS7671:2018+A1:2020 722.411.4.1(iv), eliminating the need for a local earth rod. Features & Benefits FEATURES BENEFITS Integrated PSU (operates from the ac supply) Simplifies system design and reduces BOM cost by eliminating the need for a separate power supply. Enables direct connection to the ac mains, streamlining installation and improving reliability through fewer components Configurable Power (1 or 3-phase, 16 A/32 A) Provides flexibility to support a wide range of installation environments and regional requirements. OEMs can use a single controller across multiple product lines, reducing inventory complexity and accelerating time-to-market Charging Current Protection on All Phases Enhances safety and compliance by ensuring overcurrent protection across all phases. Minimizes risk of equipment damage and supports regulatory standards, reducing liability and improving end-user trust
Applications
- Mode 3 EV Charging
Ordering Information
CATALOG # DESCRIPTION
90151 EVCC-01 EV Charger Controller for Mode 3 EVSE
Specifications are subject to change without notice. ©Western Automation Research and Development Ltd. Information and / or items referenced may be covered by patents. function and onboard 6mA DC current detection (RCM). The EVCC-01 has integrated hardware and software to implement the following main features.
- Onboards SPST relays for controlling:
b. External Ventilation activation/deactivation.
- Onboard port for motorized EV plug locking system (+/-12V output and feedback input)
- Connectors to the control pilot (CP) lines
- UART and 5V DC reference on one single connector
- Dedicated pins for User Control panel LEDs and Buttons (to indicate status of charge, enable
- Hardware based EVCC-01 configuration via jumpers. Software based EVCC configuration is
available from ISSUE G of the Firmware.
- Onboard charge current monitor for up to 3 phases
- Dynamic Load Management (DLM or Load balancing). The EVCC-01 can set and change the
- User configurable GPIO lines
- Remote Firmware upgrade options (Bootloader feature)
Figure 1. Block diagram of the EVCC-01
Littelfuse.com/EVCC-01 ©2025 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 11/12/2025 Disclaimer Notice – Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for Standards Conformity & Certifications Product Safety Certifications Products tested, compliant and certified to the following standards that states the requirements for electrical products to ensure they are safe for consumers to use. CERTIFICATION BODY MARK CERTIFICATION BODY NAME CERTIFICATION DESCRIPTION STANDARDS COVERED BY THE CERTIFICATION IEC Meets the requirements for conductive charging systems for electric vehicles for both on-board and off-board charging equipment as defined by IEC61851. IEC 61851 IEC Meets the requirements for residual direct current detecting devices (RDC-DDx) used in Mode 3 AC electric vehicle charging stations as specified in IEC 61851-1. IEC 62955
Related Products
RCM20-01: 6 mA dc Detection to IEC 62955, Mode 3, 20 mm CT Aperture RCM14-01 System: 6 mA dc Detection to IEC 62955, Mode 3, 14 mm CT Aperture