Battery Junction Box Reference Design with MC33777A

RDA777T2 new

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The RDA777T2 is a MC33777A reference design. It is meant for rapid prototyping of a battery junction box in automotive or industrial applications. The MC33777A supports ASIL D current measurements, voltage measurements and pyrotechnic switch control. The board showcases a typical MC33777A application with automotive constraints. It communicates with an isolated daisy chain.

Supported Devices

Power Management

Battery Sensors

  • MC33777: Battery Junction Box Monitor IC

Features

Current Measurement

  • Current measurement with external shunt resistor
  • Supports up to 2 ASIL D measurements
  • Shunt temperature measurement with an external NTC resistor

High-Voltage Measurement

  • 8 positive measurements (up to +1 kV) with high accuracy
  • 2 bipolar measurements (up to ±1 kV) with high accuracy

Isolation Measurement

  • Isolation resistance measurement between high voltage and low voltage domains

Connectivity

  • Isolated electrical transport protocol link (ETPL) with BMS controller
  • Crash signal input monitoring

Power Supply

  • Isolated power supply taking +12 V as input

Buy Options

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  • RDA777T2
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  • Battery Junction Box Reference Design with MC33777A.

  • Kit contains:

    Assembled and tested evaluation board in an anti-static bag

    • 1 ETPL communication cable
    • 1 Power supply cable
    • 10 High-Voltage measurement cables (orange)
    • 1 Chassis connection cable (black)
    • 4 Two-Point general-purpose cable (pyrotechnic switch connection, crash signal connection)
    • 2 Current measurement and temperature measurement cables
  • $436.00 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 6
    • Shipping: Normally ships 1-2 business days
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