Editorial Technical Reference

EV Charging Controller

This page explains how EV Charging Controller is classified within Electrical Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electronic control unit that manages and regulates the charging process for electric vehicles.

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Product Specifications

Technical details and manufacturing context for EV Charging Controller

Definition
The EV Charging Controller is a sophisticated electronic device that serves as the central management system for electric vehicle charging operations. It coordinates communication between the vehicle, charging station, and power grid to ensure safe, efficient, and optimized charging. The controller monitors electrical parameters, manages power flow, implements safety protocols, and supports various charging standards and communication protocols to deliver reliable charging performance. This directory entry provides reference specifications for industrial procurement and engineering evaluation. The controller is designed for integration into AC charging stations, with a maximum output power range of 7–22 kW, input voltage range of 85–265 V, and output current range of 16–32 A, per IEC 61851. It supports OCPP 1.6J communication protocol for network integration. Operating temperature range is -30 to 70 °C, with charging efficiency ≥95% at rated power and standby power consumption ≤3 W. Protection rating is IP54–IP65 per IEC 60529, insulation resistance ≥10 MΩ at 500 V DC, and dielectric strength 2.5 kV AC for 1 minute. Dimensions are 200×300×120 mm (W×H×D), weight 2.5–4.5 kg, wall-mountable. Materials include PCB, electronic components, plastic housing, and copper conductors. These values are reference ranges; verify model-specific data with the manufacturer.
Working Principle
The EV Charging Controller operates by establishing communication with the electric vehicle's battery management system (BMS) through standardized protocols such as ISO 15118 or DIN SPEC 70121. It continuously monitors input voltage, current, and temperature parameters while regulating power delivery based on the vehicle's charging requirements and grid conditions. The controller implements safety mechanisms including ground fault detection, overcurrent protection, and thermal monitoring. It manages the charging sequence from initial handshake through power transfer to completion, adjusting charging rates dynamically based on battery state, temperature, and user preferences.
Common Materials
Printed Circuit Board (PCB), Electronic Components (ICs, resistors, capacitors), Plastic Housing, Copper Conductors
Technical Parameters
ParameterTypical rangeNotes & selection driver
Maximum Output PowerRequired7–22 kWThe maximum electrical power the controller can deliver to the vehicleIEC 61851
Input Voltage RangeRequired85–265 VAcceptable input voltage range from the power sourceIEC 61851
Maximum Output CurrentRequired16–32 AMaximum current the controller can supply to the vehicleIEC 61851
Communication ProtocolRequiredOCPP 1.6J protocolSupported vehicle communication standards (e.g., ISO 15118, CHAdeMO, CCS)OCPP 1.6
Operating Temperature RangeRequired-30–70 °CTemperature range within which the controller operates reliablyIEC 61851
Charging Efficiency≥95 %At rated powerIEC 61851
Standby Power Consumption≤3 WEnergy saving
Protection RatingIP54–IP65Dust and water resistanceIEC 60529
Insulation Resistance≥10 MΩAt 500 V DCIEC 61851
Dielectric Strength2.5 kVAC for 1 minIEC 61851
Dimensions (W×H×D)200×300×120 mmCompact design
Weight2.5–4.5 kgWall-mountable

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Microcontroller Unit
    Central processing unit that executes control algorithms and manages system operations
    Material: Semiconductor silicon with protective packaging
  • Power Electronics Module
    Converts and regulates electrical power between the grid and vehicle battery
    Material: Semiconductor switches (IGBTs/MOSFETs) on ceramic substrates with copper interconnects
  • Communication Interface
    Handles data exchange with the vehicle and charging infrastructure
    Material: Electronic components on PCB with communication connectors
  • Safety Protection Circuit
    Monitors electrical parameters and triggers protective measures during faults
    Material: Current sensors, voltage monitors, and protective relays on PCB
  • User Interface Module
    Provides status indicators, control buttons, and display for user interaction
    Material: Plastic housing with LED indicators and membrane switches

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for EV Charging Controller.

EV Charger Controller Electric Vehicle Charging Control Unit EVSE Controller Charging Station Controller

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (electronic unit)
other spec: IP65 ingress protection, 85-265V AC input range, 50/60Hz frequency
temperature: -40°C to +85°C
Media Compatibility
✓ Indoor/outdoor electrical cabinets ✓ Automotive-grade connectors ✓ Copper/aluminum power conductors
Unsuitable: Submerged or high-saline environments
Sizing Data Required
  • Maximum charging power (kW)
  • Number of charging ports/simultaneous vehicles
  • Communication protocol requirements (e.g., OCPP, Modbus)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal Overstress
Cause: Inadequate cooling due to dust accumulation, fan failure, or high ambient temperatures causing power electronics (IGBTs/MOSFETs) to exceed thermal limits, leading to solder joint fatigue, insulation breakdown, or semiconductor failure.
DC Bus Capacitor Degradation
Cause: Electrolytic capacitor aging from prolonged exposure to high ripple currents and elevated temperatures, resulting in increased equivalent series resistance (ESR), capacitance loss, and eventual short-circuit or open-circuit failure.
Maintenance Indicators
  • Audible high-pitched whine or buzzing from the controller enclosure, indicating capacitor or transformer issues
  • Visible discoloration, bulging, or leaking from capacitors or heat sinks on internal inspection
Engineering Tips
  • Implement predictive maintenance using infrared thermography to monitor power component temperatures and identify cooling issues before failure
  • Install active harmonic filters or ensure proper AC input conditioning to reduce DC bus ripple current, extending capacitor lifespan

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 15118: Road vehicles - Vehicle to grid communication interface ANSI/UL 2202: Standard for Electric Vehicle (EV) Charging System Equipment CE marking per EU Directive 2014/35/EU (Low Voltage Directive)

Quoted from the published standard.

Manufacturing Precision
  • Voltage regulation: +/- 1% of nominal output
  • Communication timing: +/- 10 microseconds for CAN bus signals
Quality Inspection
  • Dielectric withstand test: 1500V AC for 1 minute
  • Functional safety test: Verification of emergency stop and ground fault circuit interrupter

Manufacturers of EV Charging Controller

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

ZHEJIANG ETEK ELECTRICAL TECHNOLOGY CO.LTD.
Zhejiang, CN
CE VDE TUV CB
Also makes: Charging Controller, Protection Circuit, Power Distribution Panels and 8 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “EV Charging Controller”
View source page ↗ etek-china.com · checked 2026-08-22
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 16 September 2026

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Frequently Asked Questions

What standards does the EV charging controller reference?

The controller references IEC 61851 for electrical parameters and safety, IEC 60529 for protection rating, and OCPP 1.6 for communication. These are procurement references; actual compliance must be verified with the manufacturer.

What is the maximum output power and current?

The maximum output power is 7–22 kW, and maximum output current is 16–32 A, per IEC 61851. These are reference ranges; confirm the specific model's capabilities.

What communication protocols are supported?

The controller supports OCPP 1.6J for network communication. It also communicates with the vehicle's BMS via protocols like ISO 15118 or DIN SPEC 70121, as per the working principle.

What are the environmental and safety ratings?

Operating temperature range is -30 to 70 °C, protection rating IP54–IP65, insulation resistance ≥10 MΩ at 500 V DC, and dielectric strength 2.5 kV AC for 1 minute. Verify these with the manufacturer for the specific model.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.
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