Power delivery efficiency in data center equipment is at an inflection point. As cloud service power levels increase to support higher-performance processor and memory requirements, data center operators are striving for a power usage effectiveness (PUE) close to 1.00. With a PUE of 1.00 there would be no power loss, so all the energy would be used for computing. The most efficient data centers top out at a PUE of 1.1. Thus, the next level of IT infrastructure optimization is to reduce conversion stages and its associated losses.
Two-stage power conversion (48V-to-12V-to-load) is a common architecture to implement for powering CPUs, ASICs, SoCs, GPUs, FPGAs, and memory from 48V. However, the efficiency of the two-stage architecture is limited by several factors, including losses due to multi-stage distribution and voltage conversion. As a result, the efficiency for two-stage architectures has peaked at about 90%.
Our state-of-the-art, scalable, 48V direct conversion solution breaks this efficiency, density and transient performance barrier by performing a single-stage conversion (48V-to-load) using integrated power and magnetics. 48V direct-to-load conversion eliminates one power conversion stage and, in rack implementations, reduces distribution power loss by a factor of 16 over 12V architectures.
Key features and benefits of our 48V direct power conversion solution include:
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