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Automotive Battery Management System (BMS)

Overview
Documentation
Tools and Software
HW Evaluation Tools
Solutions
Key Products
Automotive Battery Management Systems (BMS) must be able to meet critical features such as voltage, temperature and current monitoring, battery state of charge (SoC) and cell balancing of lithium-ion (Li-ion) batteries. Read more

Highly-integrated solution for your Automotive BMS design

Highly-integrated solution for your Automotive BMS design

ST's Battery Management System solution for automotive applications is specifically conceived to meet demanding design requirements.

Based on the new highly-integrated Battery Management IC L9963E and its companion isolated transceiver L9963T, our solution is able to provide the highest accuracy measurements of up to 14 cells in series, on mono or bi-directional daisy-chain configuration, embedding sophisticated cell monitoring & diagnostic features. It also meets the stringent Automotive Safety Integrity Level (ASIL) D compliance.

Together with our 32-bit Automotive MCU family, Power Management & System Basis ICs, VIPower Smart Switches, a wide offer of Protection Devices and automotive EEPROM for datalog, ST comes with a comprehensive and flexible solution to support your automotive-grade Battery Management System design.

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What are the main functions of a BMS?

What are the main functions of a BMS?

The main functions of a Battery Management System for electric vehicles are:

  • Battery protection in order to prevent operations outside its safe operating area.
  • Battery monitoring by estimating the battery pack state of charge (SoC) and state of health (SoH) during charging and discharging.
  • Battery optimization thanks to cell balancing that improves the battery life and capacity, thus optimizing the driving range for hybrid (HEV), plug-in (PHEV) and full electric vehicles (BEV).

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      ST Protection Finder

      Active

      Protection product finder application for Android, iOS and Wandoujia

      Finder Apps ST
      ST Protection Finder

      Description:

      Protection product finder application for Android, iOS and Wandoujia
    • Part number
      Status
      Description
      Type
      Supplier

      SEL-PROT-TVS

      Active

      Transient voltage suppressor smart selection tool

      TVS smart selector --
      SEL-PROT-TVS

      Description:

      Transient voltage suppressor smart selection tool

All Hardware Evaluation Tools

    • Part Number
      Description
      Core product
      Tool Type
      Supplier
      Sort by: part number

      EVAL-L9963

      NRND

      L9963 Evaluation/Development Board: to be used with an external user MCU for evaluation or development purpose

      L9963 Automotive IC Eval Boards ST
      EVAL-L9963
      NRND

      L9963 Evaluation/Development Board: to be used with an external user MCU for evaluation or development purpose

      EVAL-L9963-MCU

      NRND

      L9963 Evaluation Board with on board MCU with preloaded firmware (GUI)

      L9963 Automotive IC Eval Boards ST
      EVAL-L9963-MCU
      NRND

      L9963 Evaluation Board with on board MCU with preloaded firmware (GUI)

      EVAL-L9963-NDS

      NRND

      L9963 Evaluation Board Node: to be used with EVAL-L9963-MCU/EVAL-L9963 and/or stacked with additional EVAL-L9963-NDS

      L9963 Automotive IC Eval Boards ST
      EVAL-L9963-NDS
      NRND

      L9963 Evaluation Board Node: to be used with EVAL-L9963-MCU/EVAL-L9963 and/or stacked with additional EVAL-L9963-NDS

      EVAL-L9963E-MCU

      Active

      L9963E Evaluation Board with on board MCU with preloaded firmware (GUI)

      L9963E Automotive IC Eval Boards ST
      EVAL-L9963E-MCU
      Active

      L9963E Evaluation Board with on board MCU with preloaded firmware (GUI)

      EVAL-L9963E-NDS

      Active

      L9963E single node in a distributed BMS System

      L9963E Automotive IC Eval Boards ST
      EVAL-L9963E-NDS
      Active

      L9963E single node in a distributed BMS System

      STEVAL-A6986IV1

      Active

      38 V, 5 W synchronous iso-buck converter evaluation board with dual isolated output based on the A6986I

      A6986I Automotive IC Eval Boards ST
      STEVAL-A6986IV1
      Active

      38 V, 5 W synchronous iso-buck converter evaluation board with dual isolated output based on the A6986I

      STEVAL-A6986IV2

      Active

      38 V, 5 W synchronous iso-buck converter evaluation board with single isolated output based on the A6986I

      - Automotive IC Eval Boards ST
      STEVAL-A6986IV2
      Active

      38 V, 5 W synchronous iso-buck converter evaluation board with single isolated output based on the A6986I

Picture Solution
Battery Management System (BMS) Solution
Battery Management System (BMS) Solution