HVBMS Battery Junction Box Using ETPL with MC33772C (BJB)

RD772BJBTPLEVB Active

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The RD772BJBTPLEVB is a battery junction box (BJB) 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 two MC33772C battery sensors for redundant high voltage and current measurements and performs isolation measurements.

This board is part of the RD-HVBMSCTBUN reference design bundle using ETPL.

Block Diagram

HVBMS Battery Junction Box Using ETPL with MC33772C - RD772BJBTPLEVB

RD772BJBTPLEVB BJB

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

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

Buy Options

RD772BJBTPLEVB-Image

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  • RD772BJBTPLEVB
    Active

  • HVBMS Battery Junction Box Using ETPL with MC33772C (BJB).

  • Kit contains:

    • 1 RD772BJBTPLEVB board
    • 1 power cable
    • 3 high voltage measurement cables
    • 1 thermal sensor cable
    • 1 ETPL cable
  • $882.05 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 11
    • 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
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  • 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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