Flex Power Modules’ BMR473 digital PoL regulator now available as SMD horizontal-mount version

Flex Power Modules’ BMR473 digital PoL regulator now available as SMD horizontal-mount version


The BMR473 digital non-isolated PoL converter from Flex Power Modules is now available in a surface-mount format with solder bump terminations. This new mechanical version is also suitable for reverse mounting during reflow-soldering. Dimensioned just 19 x 13 x 7.5 mm, the device operates from 6 – 15 V input and provides a fully regulated output adjustable from 0.6 – 5 V at up to 40 A. Up to four units can be paralleled with synchronization and phase-spreading for a maximum of 160 A output. Efficiency of the single-phase BMR473 is high, peaking at 96.2% at 12 Vin and 5 Vout at full load, with minimal temperature derating required due to excellent thermal management and a 125°C maximum hot spot temperature.

The BMR473 includes remote control, a power good signal and configuration and monitoring via PMBus, and is compatible with the ‘Flex Power Designer’ GUI. Protection features include input under- and over-voltage, over-temperature and output over-voltage, over-current and short-circuit. Tight regulation, low output noise and fast load transient response round up the class-leading performance figures of the BMR473, along with over 30 Mhrs MTBF according to Telcordia SR-332 standard.

Olle Hellgren, Director Product Management and Marketing at Flex Power Modules comments:

“This new surface-mount version of our BMR473 PoL regulator will be a welcome addition to customers in telecom and datacom who will see the benefits of automated placement and a low profile”

About mixos

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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