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

RDA777T2-Image

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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: 7
    • Shipping: Normally ships 1-2 business days
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N true 0 PSPRDA777T2en 2 User Guide User Guide t792 1 User Manual User Manual t1009 1 en_US en_US 1 1 English Get started with the RDA777T2 is a MC33777A reference design for battery management system.					
 1742938567509695681571 Y 1742938567509695681571 GS-RDA777T2 GS-RDA777T2 /document/guide/getting-started-with-the-rda777t2:GS-RDA777T2 HTML 0 DSP 2025-03-25 GS-RDA777T2 DSP User Guide 132339537837198660 2025-04-06 en Apr 6, 2025 updated User Guide t792 User Guide User Guide Y Getting Started with the RDA777T2 false en User Manual User Manual 1 2 1.0 English This user manual targets the RDA777T2 board. It is a typical battery junction box (BJB) solution used in high-voltage battery management system (BMS). 1742939868718723927271 DSP 683.1 KB None None documents None 1742939868718723927271 /docs/en/user-manual/UM12056.pdf 683122 /docs/en/user-manual/UM12056.pdf UM12056 documents N N 2025-03-25 UM12056, RDA777T2 Battery Junction Box Reference Design User Manual /docs/en/user-manual/UM12056.pdf /docs/en/user-manual/UM12056.pdf User Manual N 309919593431037931 2025-03-27 pdf N en Mar 21, 2025 309919593431037931 User Manual Y N UM12056, RDA777T2 Battery Junction Box Reference Design User Manual false 0 RDA777T2 downloads en true 0 Y DSP User Guide 1 2025-03-25 1742938567509695681571 DSP 1 Apr 6, 2025 User Guide User Guide Get started with the RDA777T2 is a MC33777A reference design for battery management system.					
 Y GS-RDA777T2 English 0 User Guide 2025-04-06 /document/guide/getting-started-with-the-rda777t2:GS-RDA777T2 Getting Started with the RDA777T2 GS-RDA777T2 DSP 132339537837198660 User Guide updated en Y t792 HTML GS-RDA777T2 1742938567509695681571 User Manual 1 /docs/en/user-manual/UM12056.pdf 2025-03-25 1742939868718723927271 DSP 2 Mar 21, 2025 User Manual This user manual targets the RDA777T2 board. It is a typical battery junction box (BJB) solution used in high-voltage battery management system (BMS). None /docs/en/user-manual/UM12056.pdf English documents 683122 None 309919593431037931 2025-03-27 N /docs/en/user-manual/UM12056.pdf UM12056, RDA777T2 Battery Junction Box Reference Design User Manual /docs/en/user-manual/UM12056.pdf documents 309919593431037931 User Manual N en None Y pdf 1.0 N N UM12056, RDA777T2 Battery Junction Box Reference Design User Manual 683.1 KB UM12056 N 1742939868718723927271 true Y Designs

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