PMBus™ Specifications

Current published specs (PMBus 1.2)

Available to all upon request.

To request the specification, email the webmaster at webmaster@SMIForum.org. Be sure to include your request, your full name, and your company name in text in English in the body of your email.

Note: We may use the email address you supply to contact you regarding PMBus.

Normally, the specification will be delivered to you by email before the end of the next business day.

(Also available to SMIF members on the members specs page; member’s user ID and password required.)

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)

Working groups

The PMBus working groups are advancing the PMBus specifications. Joining SMIF and becoming a PMBus adopter opens the way for participation in the working groups, and provides a mutual license to the resulting specification.

The PMBus working groups are advancing the PMBus specifications. Contact email addresses for the current working group chairs can be found at the members home.

Please contact the PMBus-IF at webmaster@SMIForum.org for further information regarding the working groups.