IEC Technical Specification 62700: DC Power supply for notebook computer is an
IEC specification of a common standard for external
laptop computer
AC adapters. Laptops and AC adapters following this standard will have interchangeable
power supplies
A power supply is an electrical device that supplies electric power to an electrical load. The main purpose of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load. As a res ...
, which will enable easy reuse of used power supplies (thereby reducing
electronic waste
Electronic waste or e-waste describes discarded electrical or electronic devices. Used electronics which are destined for refurbishment, reuse, resale, salvage recycling through material recovery, or disposal are also considered e-waste. Inform ...
) and make buying a new compatible power supply for a laptop simpler.
The specification was published on 6 February 2014.
Alternatives
Despite being an industry open organization with open participation, the standard has been criticized by some for not being openly available for review. Some alternatives include:
* IEEE has a proposed standard
Universal Power Adapter for Mobile Devices for laptops and other devices.
* The USB Promoters Group's
USB Power Delivery
The initial versions of the USB standard specified connectors that were easy to use and that would have acceptable life spans; revisions of the standard added smaller connectors useful for compact portable devices. Higher-speed development of t ...
("PD") specification supports up to 240 W, and is intended to be able to power laptops.
*
EmPower (aircraft power adapter) EmPower is a brand name that refers to three different power outlets available on commercial airlines:
* 15-Volt, 75 Watt DC connector (now called EmPower Classic by the vendor)
* 5-Volt, 10 Watt USB power-only jacks
* 110-Volt, AC power jacks (some ...
is intended for passenger aircraft.
See also
*
USB Power Delivery Rev. 3.1 - includes Standard Power Range (SPR) mode with up to 100 W of power (20 V @ 4 A) and Extended Power Range (EPR) mode with up to 240 W of power (48 V @ 5 A)
*
Common external power supply - EN 62684 / IEC 62684, a widely adopted 2010 European specification standardizing smartphone power supplies on the USB Battery charging specification and USB connectors.
References
External links
IEC/TS 62700 ed1.0 - DC power supply for notebook computersat the IEC Webstore
* IEC working groups for IEC 62700
ProjectMaintenance
*
{{DC power delivery standards
Power supplies
#62700
Electronics and the environment