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Flex Power expands BMR480 DC-DC advanced bus converter family with 1300W version

Flex Power Modules’ BMR48001x6/005 achieves an impressive power density of more than 680W/in3, achieved in part by optimizing its operation across the input voltage range of 45V to 60V to produce a regulated 12V output using the company’s Hybrid Regulated Ratio technology between 51V and 45V. Over 15 patents have been filed in relation to the BMR480 series, many of which are directly related to efficiency improvements and design techniques for lowering power dissipation. As a result, the DC/DC converter is able to offer 97.4% efficiency when operating from a 53V input voltage and delivering 100% output current.

“Annualized over 24/7 operation, an improvement of 0.5% equates to over 40kWh power reduction for every module in the system,” explained Olle Hellgren, Head of Business and Product Management at Flex Power Modules. “Depending on the cooling solutions employed throughout a facility, a typical rule of thumb might suggest that every 1W of power wasted as heat typically requires 0.5W of energy to cool, so the total power saved is 60kWh per year from every module. If we multiply that saving by the number of blade servers in a typical data center, the benefits add up significantly.”

The BMR480 series is perfect for intermediate bus conversion (IBC), dynamic bus voltage (DBV) and distributed power architectures (DPAs), and is designed to power high-end and high-power applications supplied by front end AC/DC rectifiers, typically favored by the ICT sector. Networking and telecom equipment, industrial equipment, and server and storage applications can also benefit from the efficiency and reliability of the BMR480 series.

The module comes as standard fitted with a baseplate, which can be connected to a heatsink or cold plate for use in more challenging thermal environments. Even when operating in high ambient temperature environments with limited airflow, the efficiency of the BMR48001x6/005 helps to minimize power dissipation, and maximize system reliability.

Dynamic load compensation and support for the latest version of the PMBus communication specification are complemented by the Flex Power Designer software tool (https://flexdigitalpowerdesigner.com), giving power architects total flexibility during system design and enabling them to deliver power systems with the highest energy efficiency. Other product features of the BMR48001x6/005 include a DOSA standard 7-pin digital header, 1500V input/output isolation, monotonic start-up, remote control, and a range of protection capabilities including over-temperature, output-short-circuit and output-over-voltage.

For more information visit flex.com

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