MC33774ATA Evaluation Board with Isolated Daisy Chain Communication

RD33774ADSTEVB Active

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The RD33774ADSTEVB is a distributed cell monitoring unit (CMU) reference design with electrical transport protocol link (ETPL) communication. It is ideal for rapid prototyping of a high-voltage battery management system (HVBMS) hardware and software. This board contains one MC33774A analog front end (AFEs) in a daisy chain.

Block Diagram

MC33774A Evaluation Board with Isolated ETPL Daisy Chain Communication

RD33774ADSTEVB Block Diagram
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Supported Devices

Power Management

Battery Cell Controllers

  • MC33774: 18 Channel Li-Ion Battery Cell Controller IC ASIL D

Features

Voltage Measurement

  • 1 MC33774ATA battery cell controller (BCC) for up to 18 cells, extendable by adding more CMUs to the daisy chain
  • Life-time guaranteed high accuracy cell voltage measurement channels, with averaging and advanced filtering

Temperature Measurement

  • 8 analog inputs (including temperature sensors) or GPIOs with advanced filtering per BCC

Cell Balancing

  • Integrated temperature-controlled cell balancing with up to 150 mA average

Communication

  • Isolated electrical transport protocol link (ETPL) communication between CMU and BMU

Cost Reduction

  • Optional optimized BOM using capacitive isolation on and off board

Buy Options

RD33774ADSTEVB-Image

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  • RD33774ADSTEVB

  • MC33774ATA Evaluation Board with Isolated Daisy Chain Communication.

  • Kit contains:

    • 1 RD33774DSTEVB board
    • 1 supply cable
    • 1 ETPL cable

    Note: Optional BATT-18EMULATOR cell emulator is available for this board.

  • $164.11 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 13
    • Shipping: Normally ships 1-2 business days
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BATT-TPLCABLE20-Image

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  • BATT-TPLCABLE20

  • Electrical transport protocol link (ETPL), two-wire, twisted, 20 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
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BATT-TPLCABLE50-Image

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  • BATT-TPLCABLE50

  • Electrical transport protocol link (ETPL), two-wire, twisted, 50 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
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BATT-18CTCABLE30-Image

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  • BATT-18CTCABLE30

  • Cell Terminal (CT) cable, 18 cells, 30 cm-long.

  • Kit contains:

    • 1 Cell Terminal (CT) cable
    • 18 cells
    • 30 cm-long
  • $25.00 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 12
    • Shipping: Normally ships 1-2 business days
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Documentation

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Design Files

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2 design files

Software

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1 software file

  • Debugging and Visualization Tools

    BMS Tools – ScriptGUI

    FLEXERARev 1.0Jul 15, 2024 16:02:001 KBSW-BMS-ScriptGUI-D
    Download

Note: For better experience, software downloads are recommended on desktop.

Training

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