S32K358 Battery Management Unit (BMU) for High-Voltage Battery Energy Storage

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The BMU - RD-BESSK358BMU is a battery management unit (BMU) as part of the 1500VBESS reference design or a stand-alone board for development of custom designs. It is ideal for rapid prototyping of a high-voltage battery management system (HVBMS) hardware and software.

This board provides multiple interfaces (Ethernet, CAN FD, RS485) to communicate with an energy management system in containerized or modular storage in domestic or commercial and industrial use.

For isolated serial communication with battery modules, the board is equipped with a battery management communication gateway and transceiver electrical transport protocol link (ETPL).

This board contains all the control and interfaces for interlock monitoring, contactor control and cyber security.

Block Diagram

S32K358 BMU

RD-BESSK358BMU Block Diagram
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Supported Devices

Power Management

High Side Switches

  • XS2410: Quad 100 mΩ / Dual 50 mΩ, 3.0 V to 60 V High-Side Switch

System Basis Chips

  • FS26: Safety System Basis Chip with Low Power, for ASIL D Systems

BLDC, H-Bridge, Stepper

  • HB2000: SPI Programmable 10 A H-Bridge Brushed DC Motor Driver

Battery Communication ICs

  • MC33665A: General Purpose BMS Communication TPL Transceiver and CAN FD Gateway

Analog and Mixed Signal

Real-Time Clocks

  • PCF2131: Nano-Power Highly Accurate RTC with Integrated Quartz Crystal

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K3: S32K3 Microcontrollers for Automotive General Purpose

Interfaces

CAN Signal Improvement

  • TJA1463: CAN Signal Improvement Capability Transceiver with Sleep Mode

Security and Authentication

Secure Car Access

  • NCJ37x: Automotive Secure Element with Passive NFC, I2C and SPI Interfaces

Features

Interfaces

  • 1x CAN FD interface and 4x TPL interface (isolated 2Mbps serial communication)
  • 1x RS-485 interface
  • 1x gigabit Ethernet interface
  • 2x contactor drivers with PWM economization and current monitoring
  • 2x overcurrent and reverse polarity protected outputs for battery junction box and DC-Link bus
  • Precharge contactor and DCLink bus precharge contactor

Advanced Features

  • PWM-based interlock pilot loop
  • Lower current consumption in sleep mode
  • Cell voltage and battery current measurement synchronization for state of health calculation
  • Equipped with secure element (NCJ37) for cyber security and battery passport
  • MODBUS protocol enabled to easily connect to industrial networks and energy management systems
  • CAN SIC interface enables an increased number of racks in a containerized architecture
  • The S32K358 MCU comes with lockstep cores for functional safety and a QM core for communication and user applications

Buy Options

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  • RD-BESSK358BMU
    Active

  • 1500 V Battery Energy Storage Reference Design.

  • Kit contains:

    • One RD-BESSK358BMU board
    • One power supply (24 V DC, 3.75 A)
    • One power cord
    • One ETPL cable
    • One RS-485 cable
    • One Ethernet cable
    • One controller area network (CAN) cable
    • One interlock cable
    • One contactors cable
    • One secure element antenna
    • One USB to RS-485 converter
  • $504.70 USD
  • For a quantity of 1
    • Availability: In Stock
    • Inventory: 3
    • Shipping: Normally ships 1-2 business days
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Design Files

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Software

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1 software file

  • Software Development Resources

    RD-BESS1500BUN Standard Software

    FLEXERARev 0Jun 6, 2024 15:07:00SW-RD-BESSCT1500-D
    Download

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

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