DEVELOPERS ZONE

Welcome to the PMBus™ Developer’s Zone, your source for the latest technical information.

PMBus technical resources

PMBus technical resources can be found on this page. Additional resources are available to SMIF members and PMBus adopters in the members areas of this site, accessible through the PMBus Members page.

Technical questions about the PMBus standard and specification should be emailed to techquestions@smiforum.org.

PMBus application profiles

• PMBus Application Profile for AC/DC Server Power Supplies revision 1.2 2012-04-16 (19 pages, .pdf, 123 KB)
• PMBus Application Profile for Hot Swap Controllers revision 1.0 2012-04-16 (7 pages, .pdf, 39 KB)

Current published specs (PMBus 1.2)

The current PMBus specification is available to all upon request.

SMIF members in good standing can download the current PMBus specification from the Members Specifications page.

All others can get the PMBus specification upon request; see instructions on the PMBus Specifications page.

See also

• PMBus Revision 1.2 Presentation: PMBus: Coming to a Server Near You 2010-02-28 (36 slides, .pdf, 185 KB)

Older published specs (PMBus 1.0 & 1.1)

• PMBus Specification Part I Rev. 1.1 Final 2007-02-05 (.pdf, 238 KB)
• PMBus Specification Part II Rev. 1.1 Final 2007-02-05 (.pdf, 787 KB)
• PMBus Specification Part I Rev. 1.0 Final 2005-03-24 (.pdf, 225 KB)
• PMBus Specification Part II Rev. 1.0 Final 2005-03-28 (.pdf, 675 KB)

PMBus 101 Webcast

Our featured webcast titled “PMBus 101” provides an overview of this open standard power-management protocol and the advantages it brings to a system level communications between the different power elements. Learn more about the versatility of this standard and how you can implement it in your solution.

Join TI's Dave Freeman for this webcast.

David Freeman is an Engineering Manager in System Power Products for Texas Instruments Incorporated. In this position, he manages systems engineering as well as being a core member of the digital power team at TI. David has 15 years of experience in power related areas with a strong emphasis in portable power management and currently contributes a monthly opinion column in Portable Design magazine. His current focus is in the area of digital power development, where he concentrates on specialized microcontroller peripherals that are optimized for power applications. Prior to moving to the semiconductor field, he spent 15 years in petroleum research developing measurement methods and equipment for fluid, electrical and mineralogical properties. David is a Texas Instruments Fellow.

PMBus Resources

• Is Digital Power Moving Forward? (.pdf, 1043 KB)
  A paper from PMBus adopter Ericsson, presented at PCIM China March 2008
• Digital Control in a MicroTCA Power System (.pdf, 506 KB)
  A paper from PMBus adopter Ericsson, presented at Digital Power Europe (DPE) November 2007
• Qualification and Verification Considerations for Digital Power Supplies (.pdf, 375 KB)
  A paper from PMBus adopter Ericsson, presented at Digital Power Forum (DPF) September 2007
• From Digital Confusion to Digital Conversion (.pdf, 450 KB)
  A paper from PMBus adopter Ericsson, presented at Digital Power Forum (DPF) September 2007
• Intelligent Energy Management for Improved Efficiency (.pdf, 1077 KB)
  A paper from PMBus adopter Ericsson, presented at Digital Power Forum (DPF) September 2007
• Power Supply goes Digital (.pdf, 476 KB)
  White paper; one of PMBus adopter Ericsson’s white papers (October 2006)
• PMBus seminar for Power Electronics Technology 2005 (.pdf, 1114 KB)
  PowerPoint® presentation (October 24, 2005)
• Data Communications Issues for Digital Power Management (.pdf, 363 KB)
  PowerPoint presentation (October 13, 2005)
• Using the PMBus (.pdf, 1475 KB)
  PowerPoint presentation (October 12, 2005)