IEC 63002:2021 pdf download.Interoperability specifications and communication method for external power supplies used with computing and consumer electronics devices
1 Scope
This document defines common charging interoper ability guidelines for power sources (external power supplies (EPSs) and other Sources) used with computing and consumer electronics devices that implement IEC 62680-1-3 (USB Type-C Cable and Connector Specification).
This document defines normative requirements for an EPS to ensure interoperability; in particular, it specifies the data communicated from a power source to a device (Figure 1) and certain safety elements of the EPS, cable, and device. While the requirements focus of this document is on the EPS and the behaviour at its USB Type-C connector interface, it is also important to comprehend cable assembly and device capabilities and behaviours in order to assure end-to-end charging interoperability. This document does not apply to all design aspects of an EPS. This document does not specify regulatory compliance requirements for aspects such as product safety, EMC or energy efficiency.
This document provides recommendations for the behaviour of a device when used with a power source compliant with this document. It specifies the minimum hardware specification for an EPS implementing IEC 62680-1-3. This document also specifies the data objects used by a charging system utilizing IEC 62680-1-2 to understand the identity, design and performance characteristics, and operating status of an external power supply. IEC 62680-1-2 focuses on power delivery applications ranging to 100 W for a variety of computing and consumer electronics devices including notebook computers, tablets, smartphones, small form-factor desktops, monitor displays and other related multimedia devices.
This document relies on established mechanical and electrical specifications， and communication protocols specified by IEC 62680-1-2 and IEC 62680-1-3. These specifications support methods for establishing the best performing interoperability between untested combinations of EPS and devices with the aim of improving consumer satisfaction.
4.2 General
Since its introduction over 20 years ago, USB charging technology has consistently provided 5 V DC power and relied on a common USB Standard-A connector on the power source. When used with defined legacy cables and adapters, USB Type-C-based power sources, including those that source higher voltages, remain electrically and mechanically interoperable with previous generation USB devices, while enabling new capabilities for devices that have evolved to align with these new capabilities.
Figure 2 ilustrates the USB EPS charging application model consisting of the EPS (Source) with a USB Type-C receptacle, the device to be charged (Sink) and the charging cable connecting the device to the EPS. This model also enables compatibility with devices that are based on legacy USB connectors, have a permanently attached cable, or use a cable that is device specific. Several usage examples demonstrating end-to-end charging interoperability based on this comprehensive model are presented in Annex D.IEC 63002 pdf download.