14 V Battery Management System (BMS) Reference Design, Lead-Acid Replacement

RD33772C14VEVM Active

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The RD33772C14VEVM is a standalone battery management system (BMS) reference design targeting automotive 14 V lead-acid replacement applications. It is ideal for evaluation, development and rapid prototyping.

This design is based around a S32K344 automotive-grade ASIL microcontroller and a FS26 safety system basis chip. The analog front end is supported by the MC33772C battery cell controller supporting 3 to 6 cells. Various cell chemistries are supported such as NMC, LFP and LTO.

Block Diagram

14 V BMS Reference Design, Lead-Acid Replacement

RD33772C14VEM Block Diagram
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Supported Devices

Interfaces

3.3 V / 5 V IO CAN Transceivers

  • TJA1145: High-Speed CAN Transceiver for Partial Networking

Automotive LIN Solutions

  • TJA1021: ISO17987 LIN 2.1/SAE J2602 Transceiver

Power Management

Battery Cell Controllers

  • MC33772C: 6-Channel Li-Ion Battery Cell Controller IC

System Basis Chips

  • FS26: Safety System Basis Chip with Low Power, for ASIL D Systems

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K3: S32K3 Microcontrollers for Automotive General Purpose

Features

General Features

  • Power supply input from 9 V to 18 V
  • Up to 10 channels temperature sensing
  • Support to 4 channels pack voltage measurement
  • Redundant current measurement
  • Hardware and software overcurrent protection

S32K344 Microcontroller

  • Arm® Cortex®-M7-based microcontroller in lockstep core configuration, supporting up to ASIL D functional safety automotive and industrial applications

MC33772C Analog Front End

  • SPI communication to the MCU
  • 3-6 channel battery cell voltage measurements
  • 7 temperature channel measurements
  • Synchronized advanced current measurement with integrated coulomb counting

Connectivity

  • CAN interface
  • LIN interface

Buy Options

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  • RD33772C14VEVM

  • 14 V Battery Management System (BMS) Reference Design, Lead-Acid Replacement.

  • Kit Contains

    • 1x RD33772C14VEVM
    • 1x Battery emulator board
    • 1x Communication interface cable (8-pin, 20cm)
  • $1499.00 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 10
    • Shipping: Normally ships 1-2 business days
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Documentation

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Design Files

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Software

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1 software file

  • Debugging and Visualization Tools

    Automotive Software Package Manager

    EXTERNALRev 1Jul 2, 2021 01:55:00AUTO-SW-PKG-MANAGER
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Note: For better experience, software downloads are recommended on desktop.

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