Acronym · Interfaces & SerDes
SMBus (System Management Bus)
A tightly specified variant of I2C used for platform management, with defined timeouts, packet error checking and a standard command set for batteries, temperature sensors and power devices.
- Also known as
- SMB
- Type
- Acronym
- Domain
- Interfaces & SerDes, Peripheral and embedded bus
Notes
Its mandatory timeout behaviour is the key practical difference from plain I2C, preventing a stuck slave from hanging the bus.
Related terms
Part of the Interfaces & SerDes glossary, with every term in the topic and the lifecycles, tools and standards that use them.
Where it appears on the Hub
Used on 2 pages of the Hub. In each group, the pages that mention it most come first.
Tools
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