DOSA Announces New Footprint and Pin Out Design for 3/6A Non-Isolated POL DC-DC Converters

May 13, 2007 by Jeff Shepard

The Distributed-power Open Standards Alliance (DOSA) has announced a 2nd generation standard footprint and pin out design for 3 and 6A non-isolated point-of-load (POL) dc-dc converters. This 2nd generation of POL standard nearly doubles the current density (Amp/in2) from the 1st generation of DOSA standards, meeting industry demand for high-density POL modules. This new standard establishes the location of pins, recommended pad layout on customer boards, input and output voltage ranges and critical features and parameters required for interoperability and second sourcing.

"Standards development such as this improves second sourcing opportunities that are often thwarted by inconsistencies in technical considerations." said Sabi Varma, General Manager at Tyco Electronics Power Systems. "We are excited that DOSA has embraced the significance of our latest POL offering by standardizing its specifications."

DOSA was formed to ensure future dc-dc product compatibility and standardization within the increasingly fragmented power converter market. The goal of the alliance is to establish customer interface standards early in the development cycle, which include form factors, footprints, pin-outs, feature sets and other parameters that will permit alternative sourcing. The alliance will cover a broad range of power converters including non-isolated (POL), isolated applications, and intermediate bus converters. In addition to DOSA founding members, Tyco Electronics Power Systems, and SynQor, Inc., current members include C&D Technologies, Lambda/TDK, Delta, Ericsson, Artesyn/Emerson, Wall Industries, Acbel and Belpower.