HVBMS Battery Junction Box Using CAN FD with MC33772C (BJB)

RD772BJBCANFDEVB Active

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The RD772BJBCANFDEVB is a battery junction box (BJB) reference design with CAN FD communication. It is meant for rapid prototyping of a high-voltage battery management system (HVBMS) hardware and software. This board contains two MC33772C battery sensors for redundant high voltage and current measurements and performs isolation measurements.

This board is part of the HWRD-HVBMSCC bundle using CAN-FD.

Block Diagram

RD772BJBCANFDEVB

RD772BJBCANFDEVB Block Diagram
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Supported Devices

Power Management

Battery Cell Controllers

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

Features

High Voltage Measurement

  • 7 high voltage measurements with high accuracy

Battery Current Measurement

  • Fully redundant current measurement up to +/-1500 A (with populated shunt, adaptable)
  • 0.5% measurement error (IC level only)

Temperature Measurement

  • Shunt temperature measurement for current measurement compensation
  • Pre-charge resistor temperature measurement

Isolation Measurement

  • Isolation resistance measurement between high voltage and low voltage domains

Communication

  • CAN FD communication
  • High speed CAN FD transceiver up to 5 Mbit/s

Buy Options

RD772BJBCANFDEVB-Image

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  • RD772BJBCANFDEVB
    Active

  • HVBMS Battery Junction Box (BJB).

  • Kit contains:

    • 1 RD772BJBCANFDEVB board
    • 1 CAN FD and power
    • 3 high voltage measurement cables
    • 1 thermal sensor cable
  • $510.00 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 10
    • Shipping: Normally ships 1-2 business days
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BATT-TPLCABLE20-Image

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  • BATT-TPLCABLE20
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  • 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
    Active

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

  • $14.38 USD
  • For a quantity of 1
Order from distributors

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