VITA 62 OpenVPX backplane acts as power source

VITA 62 OpenVPX backplane acts as power source

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By Nick Flaherty

Elma Electronic has launched a 3U OpenVPX 2-slot backplane with a VPX power and ground slot as well as a VITA 62 power supply slot.

The 3U OpenVPX backplane assists with the development and deployment of systems requiring a VITA 62 power supply with output voltages ranging from 3.3 to 12V up to 600W.

The rugged backplane features a VITA 46/65-compliant pass-through power and ground slot that can be SOSA aligned for standard sensor architectures as well as suitable for custom designs for in a range of harsh environments in embedded applications. The rear I/O of the VITA46/65 slot can be used for a rear transition module (RTM) or for cabling.

Designed with power studs used for both input and output power, the new backplane can serve as a power source to other connected backplanes within the same chassis. The board also comes with a header for various I/O signals, including voltage sense, current share and IPMB interface as well as inhibit, enable and fail. 

Aside from the assigned pins for 3.3V, 5V and 12V power, all remaining pins are user-defined. The fully populated rear connectors are accessible via Elma’s slot-to-slot or slot-to-I/O bulkhead cable assemblies and the backplane comes with utility and ground planes defined. The design also complies with VITA 62.0 and VITA 62.2, allowing separators/insulators to be installed on demand, with a header for various control signals including voltage sense, current share, IPMB interface, inhibit, enable and fail, etc.

The OpenVPX VITA 62 board features selectable geographical addressing via a DIP switch as well as a 12-layer design to IPC Class 3, with 1 oz copper outer layers and 2 oz copper inner layers. The utility plane is implemented in the P0 pin, and the system management bus is routed two of the boards headers. With insulators or fins as a custom assembly, the backplane can be used for 270 VDC operation in high altitudes.

3U OpenVPX 2-Slot Backplane with 1 VPX Power and Ground plus 1 VITA 62 power supply slot

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