Micro-USB interconnects

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3 March 2010 Interconnection

Molex has developed seven series of Micro-USB Type ‘B’ and Type ‘AB’ receptacles in a selection of top-, bottom- and mid-mount versions, and a new series of USB ‘A’ to Micro-USB ‘B’ cable assemblies. These connectors include a lead-in feature in the connector housing for blind-mating of receptacle to plug.

The connector body has a unique laser-welded metal shield design that reinforces mechanical seam strength while preventing damage to the plug or receptacle due to perpendicular or horizontal (wrenching) stress. Other key features of the product include high durability of over 10 000 insertion cycles, and a passive latching mechanism that provides high extraction forces without sacrificing the USB’s ease-of-use when synchronising and charging portable devices.

With a 50% reduction in connector volume over the Mini-USB connector, the Micro-USB connector features the smallest footprint of all USB interconnects and offers significant reduction in PCB real estate for a host of portable devices. Micro-USB technology was developed by the USB Implementers Forum (USB-IF), an independent non-profit group that advances USB technology. Micro-USB replaces a majority of Mini-USB plugs and receptacles currently in use. The specification of the Micro-USB supports the current USB On-The-Go (OTG) supplement and provides total mobile interconnectivity by enabling portable devices to communicate directly with each other without the need for a host computer.

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