IEC 62684:2018 PDF

Interoperability specifications of common external power supply (EPS) for use with data-enabled mobile telephones

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Title (English):

IEC 62684:2018

Interoperability specifications of common external power supply (EPS) for use with data-enabled mobile telephones

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 9
Publication date:: February 5, 2018
Edition:: IEC IS 62684 edition 2 version 1
ICS:: 29.200

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Description (English):

IEC 62684:2018 specifies the interoperability of common external power supplies for use with data-enabled mobile telephones. It defines the common charging capability and specifies interface requirements for the external power supply. Safety and EMC aspects are not covered by this document. Safety is covered by IEC 60950-1 or IEC 62368-1 and EMC is covered by regional /national standards. This document defines interoperability based on legacy USB technologies and does not cover charging interfaces that implement IEC 62680-1-3, IEC 62680-1-2 and IEC 63002. This second edition cancels and replaces the first edition published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Clause 1 is modified to include updated references to IEC Universal Serial Bus interface standards; b) Clause 2 is expanded to include references to IEC Universal Serial Bus interface standards; c) Subclause 4.1 is expanded to include requirements for non USB Micro-B plug DC plug connectors; d) Subclause 4.4 is modified to remove obsolete requirements for common mode noise and reference requirements of IEC Universal Serial Bus interface standards; e) Subclause 4.5 is modified to reference appropriate safety standards.

Technical details

Technical committee: TA 14 - Interfaces and methods of measurement for personal computing equipment
SKU: IEC 62684:2018

Abstract

Overview

IEC 62684:2018 defines interoperability specifications for common external power supplies (EPS) intended for data-enabled mobile telephones. The standard focuses on the electrical and interface requirements that ensure a USB-based charger and its cable assembly reliably charge mobile phones using legacy USB technologies. Safety and EMC are excluded from this document and are addressed by other standards. IEC 62684:2018 is the second edition and contains technical revisions and updated references to USB interface standards.

Key topics and technical requirements

Interoperability scope: Targets EPS implementations based on legacy USB (Micro‑USB) charging interfaces; it does not cover USB Type‑C or USB Power Delivery interfaces (see IEC 62680 and IEC 63002).
Connector & cable requirements: EPS cable assemblies shall terminate in a compliant USB Micro‑B plug (or use a Micro‑B plus an adapter to a non‑Micro‑USB connector). Detachable cables must include a USB Standard‑A receptacle and meet USB‑IF test requirements.
DC output characteristics:
- Nominal output voltage at the connector: 5 V ± 0.25 V (measured from no-load to rated current).
- Rated output current range: minimum 500 mA, maximum 1 500 mA.
- Maximum allowable cable voltage drop: 125 mV at 500 mA (for detachable cables).
- Output ripple: typically limited (document specifies measurement methods and a peak‑to‑peak limit of 80 mV under defined test conditions).
- Common‑mode noise limits across frequency bands are specified to protect device operation.
Environmental & input:
- AC input range: typically 100 V–230 V, 50–60 Hz.
- Operational environmental range defined for temperature and humidity (see standard for exact test limits).
Protection & reliability: References to appropriate safety standards for protection functions; testing requirements and measurement methods are included (Clause 5 and test methods).

Applications and users

IEC 62684 is essential for:

Charger and accessory manufacturers designing EPS and cable assemblies for legacy USB mobile phones.
Mobile phone OEMs ensuring reliable compatibility with third‑party chargers.
Test laboratories and conformity assessment bodies performing interoperability and electrical tests.
Procurement, product managers and regulatory teams verifying charger interoperability and market acceptance.

Practical uses include product design validation, interoperability test plans, supplier specifications, and ensuring consistent user charging experience across devices.

Related standards

IEC 60950‑1 / IEC 62368‑1 (safety)
IEC 62680‑1‑1, IEC 62680‑2‑1, IEC 62680‑2‑2 (USB and USB Micro‑B specs)
IEC 62680‑1‑2, IEC 62680‑1‑3, IEC 63002 (USB PD / Type‑C - not covered by IEC 62684)
EN 301 489‑34 (EMC for EPS)

Keywords: IEC 62684:2018, EPS, external power supply, interoperability, USB Micro‑B, mobile phone charger, DC output, ripple, common mode noise, USB charging.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics and technical requirements

Interoperability scope: Targets EPS implementations based on legacy USB (Micro‑USB) charging interfaces; it does not cover USB Type‑C or USB Power Delivery interfaces (see IEC 62680 and IEC 63002).
Connector & cable requirements: EPS cable assemblies shall terminate in a compliant USB Micro‑B plug (or use a Micro‑B plus an adapter to a non‑Micro‑USB connector). Detachable cables must include a USB Standard‑A receptacle and meet USB‑IF test requirements.
DC output characteristics:
- Nominal output voltage at the connector: 5 V ± 0.25 V (measured from no-load to rated current).
- Rated output current range: minimum 500 mA, maximum 1 500 mA.
- Maximum allowable cable voltage drop: 125 mV at 500 mA (for detachable cables).
- Output ripple: typically limited (document specifies measurement methods and a peak‑to‑peak limit of 80 mV under defined test conditions).
- Common‑mode noise limits across frequency bands are specified to protect device operation.
Environmental & input:
- AC input range: typically 100 V–230 V, 50–60 Hz.
- Operational environmental range defined for temperature and humidity (see standard for exact test limits).
Protection & reliability: References to appropriate safety standards for protection functions; testing requirements and measurement methods are included (Clause 5 and test methods).

Applications and users

IEC 62684 is essential for:

Charger and accessory manufacturers designing EPS and cable assemblies for legacy USB mobile phones.
Mobile phone OEMs ensuring reliable compatibility with third‑party chargers.
Test laboratories and conformity assessment bodies performing interoperability and electrical tests.
Procurement, product managers and regulatory teams verifying charger interoperability and market acceptance.

Practical uses include product design validation, interoperability test plans, supplier specifications, and ensuring consistent user charging experience across devices.

Related standards

IEC 60950‑1 / IEC 62368‑1 (safety)
IEC 62680‑1‑1, IEC 62680‑2‑1, IEC 62680‑2‑2 (USB and USB Micro‑B specs)
IEC 62680‑1‑2, IEC 62680‑1‑3, IEC 63002 (USB PD / Type‑C - not covered by IEC 62684)
EN 301 489‑34 (EMC for EPS)

Keywords: IEC 62684:2018, EPS, external power supply, interoperability, USB Micro‑B, mobile phone charger, DC output, ripple, common mode noise, USB charging.

IEC 62684:2018 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and users

Related standards

Related standards

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