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BMR351 series - Main Title

BMR351 regulated digital quarter brick

BMR351 Series - Mixed Media

The BMR351 is a non-isolated DC/DC converter with 1600W continuous power and with peak power capabilities up to 2320W in a standard quarter brick format. There are 2 versions available, one with an open deck baseplate with a total height of 14.7mm and another with a flat baseplate with a height of 14.2mm.  

The product features an input of 40V to 60V and a fully regulated output of 12.2V, adjustable from 8V to 13.2V. 
An innovative transformer-coupled non-isolated topology reduces component count and current stresses, and delivers efficiency levels of up to 97.8%.  

The converter can be used in parallel operation, gaining higher power if required. This feature is supported by using passive Droop Load Sharing (DLS).  

BMR351 is solution a popular IBC for users transitioning from a legacy AC to 12V input to a new AC to 48V bus with step-down 48V to 12V on a Power Distribution Board or Motherboard.  

The BMR351 is a non-isolated DC/DC converter

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Features/Applications

Table

Features
  • 40-60 Vin for Datacom, AI, and Cloud 
  • Regulated 12.2V to power PCIe, Memory, etc 
  • 1600W TDP, 2320W peak power 
  • 97.8% Efficiency peak 
  • Parallelable with Droop Load Share 
  • PMBus Digital communication and control 
  • Non-isolated DC/DC converter 
  • Industry-standard Quarter-brick package and pinning 
  • Event data recorder 
  • Excellent thermal performance 

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