Body control module (BCM)

Products and reference designs

Body control module (BCM)

Block diagram


Our integrated circuits and reference designs for automotive body control modules (BCMs) provide you with a total BCM solution including LDOs, CAN and LIN in-vehicle networking, limp home functionality and high-side switches.

Design requirements

Modern BCM designs require:

  • Effective communication between domains.
  • Open-load and short-circuit detection.
  • Replacement of relays and fuses to reduce size while improving power efficiency.
  • Improved thermal efficiency with optimized PCB layout.
  • Optimization for battery transients and prevention of EMI.

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Block diagram

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Technical documentation

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Type Title Date
More literature High-Side Switches Paralleling Channels 30 Apr 2018
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 28 Feb 2017
Technical articles HUD 2.0 Brings a New Point of View 23 Jul 2015
More literature Protecting 12-V MSDI Devices in a 24-V System 22 Sep 2020
Technical articles How to read data sheet specs and test conditions - tricky stuff! 22 Jul 2013
More literature Adjustable Current Limit of Smart Power Switches (Rev. B) 21 Jan 2019
More literature Open Load Detection and Limp Home Function in BCM 19 Feb 2020
Technical articles Clouds. Cells. Cool. Continued. 16 Jan 2013
More literature Evolution vs. revolution: the building blocks of automotive body electronics 11 Apr 2018
More literature Using the Half-Bridge DRV89xx-Q1 as High-Side or Low-Side Switch PDF | HTML 10 May 2022
More literature 12-V Battery Monitoring in an Automotive Module (Rev. A) PDF | HTML 10 May 2022
More literature 100BASE-T1 Ethernet: the evolution of automotive networking 09 May 2018
Technical articles Functional safety for industrial motor drives 07 Sep 2018
More literature AEC-Q100-012 Short-Circuit Reliability Test Results for Smart Power Switches (Rev. A) 06 May 2019
Analog Design Journal Reduce buck-converter EMI and voltage stress by minimizing inductive parasitics 04 Aug 2016
Analog Design Journal Designing the front-end DC/DC conversion stage to withstand automotive transient 03 Feb 2017
More literature Designing High Performance, Low-EMI, Automotive Power Supplies 02 Oct 2017
More literature 車體控制模組的系統電源架構 02 Apr 2019

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