RD33771-48VEVM Reference Design

RD33771-48VEVM
No Longer Manufactured

Roll over image to zoom in

This reference design board provides a solution for 48 V BMS in vehicles with the following features:

  • Powerful SBC (FS6501) as power supply and microcontroller (MPC574xP)
  • Up to 14 lithium-ion battery cell voltage sensing
  • Current sensing with onboard SHUNT resistor
  • Six channels temperature measurement by external NTC, four channels from AFE and two channels from MCU ADC
  • One channel temperature measurement by onboard NTC for cell balancing resistor area
  • See the Technical and Functional Specifications section below for more features

Block Diagram

48V battery management

RD33771-48VEVM Block Diagram
Get diagram PDF

Supported Devices

Processors and Microcontrollers

Ultra-Reliable MPC57xx MCUs

  • MPC574xP: Ultra-Reliable MPC574xP MCU for Automotive and Industrial Safety Applications

High Side Switches

  • MC24XS4: 24 V Multipurpose Low RDSON eXtreme Switch

Power Management

12 V, 24 V, and 48 V SBC Solutions

  • FS6500: Grade 1 and Grade 0 Safety Power System Basis Chip with CAN Flexible Data Transceiver

Battery Management

Battery Cell Controllers

  • MC33771B: 14-Channel Li-Ion Battery Cell Controller IC

Battery Communication ICs

  • MC33664: Isolated Network High-Speed Transceiver

Interfaces

3.3 V / 5 V IO CAN Transceivers

  • TJA1051: High-Speed CAN Transceiver

Features

Design Features

  • Powerful SBC (FS6501) as power supply and microcontroller (MPC574xP)
  • Up to 14 lithium-ion battery cell voltage sensing
  • Current sensing with on-board SHUNT resistor
  • High-side/low-side relay driver that could drive fan and contactor
  • Crash signal detection and diagnostic
  • TPL isolation communication on board
  • Two-channel CAN interface
  • JTAG debugging interface
  • Targeting functional level ASIL D solution

Channel Optimization

  • Up to 14 channels for cell voltage sensing, with over-voltage (OV) and under-voltage (UV) protection
  • Up to two channels for current sensing, with over-current (OC) protection
  • Up to six channels for temperature sensing:
    • Three channels for battery cell temperature sensing
    • One channel for shunt resistor temperature sensing
    • Two channels for air-flow area temperature sensing executed by MCU ADC
  • Six channel temperature measurement by external NTC, four from AFE, two from MCU ADC
  • One channel temperature measurement by onboard NTC for cell balancing resistor area

Additional Accesories

  • Power supply, 5 V to 28 V with the current limit set initially to 1.5 A to 9.0 A
  • Oscilloscope, preferably 4-channel, with current probe (optional)
  • Typical loads: battery simulator
  • Multilink FX

Software

Buy Options

RD33771-48VEVM-Image

Click to expand

RD33771-48VEVM
No Longer Manufactured

RD33771-48VEVM Reference Design.

    Documentation

    Quick reference to our documentation types

    Filters

    4 documents

    Compact List

    Design Resources

    Design Files

    Quick reference to our design files types.
    Filters

    3 design files

    Software

    Quick reference to our software types.

    Filters

    1 software file

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

    Training

    Filters

    1 trainings

    Support

    What do you need help with?

    Search