USB Connector
USB Micro-AB
USB Micro-AB is a five-contact receptacle defined for USB On-The-Go devices so one port can accept either a Micro-A or Micro-B plug.
Characteristics
Review Micro-AB's receptacle-only design, accepted Micro-A and Micro-B plugs, USB 2.0 OTG role, legacy status, and replacement by modern USB-C devices.
| Specification name | USB Micro-AB receptacle |
|---|---|
| Connector family | Micro-USB |
| Connector form | Receptacle only |
| Reversible | No |
| Contact count | 5 |
| USB generation | USB 2.0 / USB On-The-Go |
| Accepted plugs | Micro-A and Micro-B |
| Typical role | Dual-role OTG receptacle |
| Current status | Legacy and uncommon; USB-IF stopped certifying USB OTG products effective September 2019, and modern dual-role devices generally use USB-C |
USB Micro-AB articles
Browse guides covering USB Micro-AB receptacles, OTG roles, Micro-USB compatibility, adapters, and legacy device connection questions.
