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  • HVBMS Battery Management Unit with S32K358 (BMU)

S32K358 Battery Management Unit (BMU) for High Voltage Battery Management System (HVBMS) Reference Design Board

RD-K358BMU

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The RD-K358BMU is a reference battery management unit (BMU) for development purposes. It is meant for rapid prototyping of a 800 V high-voltage battery management system (HVBMS) hardware and software. This board contains several NXP devices including S32K358, FS26, MC33665A, HB2000, TJA1145A, PCA2131, NBP8 and MC40XS6500.

This board is part of the RD-HVBMSCT800BUN reference design bundle using ETPL.

Product Details

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Block Diagram

HVBMS 800 V Battery Management Unit with S32K358 - RD-K358BMU

RD-K358BMU Features
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Supported Devices

Sensors

Battery Pressure Monitoring Sensors (BPMS)

  • NBP8-9x: Highly Integrated Battery Pressure Monitor Sensor

Power Management

High Side Switches

  • MC12XS6: External Automotive Lighting Multi-Channel eXtreme Switch

Safety SBCs

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

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

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K3: S32K3 Microcontrollers for Automotive General Purpose

Interfaces

3.3 V / 5 V IO CAN Transceivers

  • TJA1057: High-Speed CAN Transceiver - Mantis Family

CAN with Flexible Data Rate

  • TJA144x: Automotive CAN FD Transceiver Family

CAN Partial Networking

  • TJA1145A: High Speed CAN Transceiver with Partial Networking, CAN FD Data Rates up to 5 Mbit/s

Peripherals and Logic

RTCs with Temperature Compensation

  • PCA2131: Nano-Power Highly Accurate RTC with Integrated Quartz Crystal for Automotive Applications

Features

Interfaces

  • 3x CAN FD interfaces, one with partial networking
  • 4x electrical transport protocol link (ETPL) interfaces
  • 4x contactor drivers with PWM economization and current monitoring
  • 2x overcurrent protected outputs for battery cooling / heating valves
  • 2x overcurrent and reverse polarity protected outputs for junction box and DCLink bus pre-charge contactor

Advanced Features

  • On-board pressure sensor for thermal runaway detection
  • PWM-based interlock pilot loop
  • Low current consumption in sleep mode
  • Cell voltage and battery current measurement synchronization for state of health calculation

Wake-Up Sources

  • SBC – periodic wake up
  • VCU CAN – partial networking
  • CMU wake up via CMU CAN or ETPL
  • Pressure sensor – thermal runaway event detection

Buy Options

RD-K358BMU-Image

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  • RD-K358BMU

  • RD-K358BMU Reference Design Board.

  • Kit contains:

    • 1x RD-K358BMU board
    • 1x power supply (12 VDC, 5 A)
    • 1x multipurpose cable
    • 1x USB-TTL cable
    • 1x ETPL cable
  • $505.00 USD
  • For a quantity of 1
    • Availability: Pending stock
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BATT-TPLCABLE20-Image

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  • BATT-TPLCABLE20

  • Electrical transport protocol link (ETPL), two-wire, twisted, 20 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 5
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor
BATT-TPLCABLE50-Image

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  • BATT-TPLCABLE50

  • Electrical transport protocol link (ETPL), two-wire, twisted, 50 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 19
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor

Documentation

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Design Resources

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Design Files

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2 design files

  • Printed Circuit Boards and Schematics

    RD-K358BMU Design Files

    ZIPRev AApr 27, 2023 08:21:0017.3 MBRD-K358BMU-DESIGN-FILES
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  • Printed Circuit Boards and Schematics

    RD-K358BMU Schematics

    PDFRev AApr 27, 2023 18:34:003.9 MBRDK358BMU-SCH
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Software

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1 software file

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

Training

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2 trainings

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