Module makers target 48V direct conversion
These would take 48V down to 1V and below, cutting out the intermediate bus and providing an extra 2 percentage points in efficiency. This is to meet the increasing power requirements on processing cards in data centre applications and also save space.
“When you are looking at 3 to 5kW on a card it’s important to have scalable devices,” said Martin Hägerdal, President of Ericsson Power Modules. “This will allow us to replace 1kW quarter bricks with lower current eighth bricks where you don’t have to have a heat sink.”
It is planning to launch a 48V direct conversion module early in 2017.
Linear Devices is also planning a similar module, says Don Paulus, Vice President and general manager of power products.
Maxim Integrated Products also has plans in this area. “Today we run into a duty cycle issue going straight to 48V,” said Anil Telikepalli, Executive Director of Power Products at Maxim. “We have customers that can go from a 48V down to 5V for safety applications.”
www.ericsson.com/ourportfolio/products/power-modules
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