12V/48V power distribution box

Products and reference designs

12V/48V power distribution box

Block diagram


Our integrated circuits and reference designs for automotive power distribution box (PDB) provide you with a total PDB or smart junction box system design including LDOs, CAN and LIN in-vehicle networking, limp home functionality and smart power switches.

Design requirements

Modern PDBs require:

  • Switching power to a wide range of loads.
  • Reduced EMI to optimize system performance.
  • Optimized thermals to manage power dissipation.

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Block diagram

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Technical documentation

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Type Title Date
Application note High-Side Switches Paralleling Channels 30 Apr 2018
Application note Adjustable Current Limit of Smart Power Switches (Rev. B) 21 Jan 2019
White paper Evolution vs. revolution: the building blocks of automotive body electronics 11 Apr 2018
Application brief 12-V Battery Monitoring in an Automotive Module (Rev. A) PDF | HTML 10 May 2022

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