The Module-Driver interface Special Interest Group (MD-SIG) is a global lighting-industry consortium which has published a specification for a standardized, multi-vendor electrical interface between LED drivers (control gear) and LED modules.

MD-SIG and Zhaga are separate organizations. Please consult the MD-SIG website for up-to-date information.

MD-SIG specifications

MD-SIG specifications can be downloaded from the MD-SIG website.

Zhaga members can find the specifications via the link below:

MD-SIG specifications (Zhaga members only)

Links and Articles

MD-SIG launches LEDset specifications for interoperable LED drivers and modules

MD-SIG press release: June 2016

DMI specification defines electrical interface between LED drivers and modules

Article in LED Professional Review: October 2015

Enabling LED modules and LED drivers to be fully interchangeable at the component level requires a specification for the electrical interface between the driver and module (DMI). Arnulf Rupp of OSRAM GmbH, a member of both the Zhaga Consortium and MD-SIG, explains the role of both organizations in developing and implementing a consistent, easy to use, cross-vendor DMI specification.

MD-SIG and Zhaga sign liaison agreement

Zhaga News: October 19, 2015

Zhaga and MD-SIG will provide each other with regular updates on their activities and progress.

Zhaga publishes Book 11 specification for small LED spotlight modules

Zhaga Press Release: October 6, 2015

Book 11 is the first Zhaga Book to contain a reference to the LEDset specification for the electrical interface between a Book 11 LED module and a suitable driver. This so-called driver-module interface (DMI) is essential to enable the independent interchangeability of different drivers and modules.

MD-SIG unveils specification for module-driver electrical interface

Zhaga News: September 1, 2015

MD-SIG has published the first part of its specification known as “LEDset,” which offers a standardized, multi-vendor electrical interface between LED drivers (control gear) and LED modules.

Standard release for lighting LED-driver interface

Electronics Weekly article: July 2015

The Module-Driver Interface Special Interest Group (MD-SIG) has released its specification for a universal electrical interface between LED lighting modules and their power supplies. The standard has the support of Osram, Panasonic, Philips and Tridonic.