Battery backup unit (BBU)

Products and reference designs

Battery backup unit (BBU)

Block diagram


Our integrated circuits and reference designs help you create high efficiency, high power density AC/DC and DC/DC battery backup units (BBUs) for various server power supply units (PSU), telecom PSU and industrial applications.

Design requirements

Modern BBUs often require:

  • Fast charging to backup mode transition.
  • High power density to pack more power in less space.
  • High efficiency to extend battery backup time.

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Block diagram

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Technical documentation

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Type Title Date
Application note Analysis and Measurement of Resonant Tank Current on LLC 30 Jul 2013
Analog Design Journal A comparative analysis of topologies for a bridgeless-boost PFC circuit 13 Jul 2018
Analog Design Journal Designing high-efficiency isolated bidirectional power converter for a UPS 01 Aug 2017

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