HVBMS Battery Management Unit with S32K344 (BMU)

RD-K344BMU

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The RD-K344BMU is a reference battery management unit (BMU) for development purposes. It is ideal for rapid prototyping of a high-voltage battery management system (HVBMS) hardware and software. This board contains several NXP devices including S32K344, FS26, MC33665A, HB2000, TJA1145A, PCA2131, NBP8 and MC40XS6500.

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

Block Diagram

HVBMS Battery Management Unit with S32K344 - RD-K344BMU

HVBMS Battery Management Unit with S32K344 - RD-K344BMU
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Supported Devices

Sensors

Battery Pressure Monitoring Sensors (BPMS)

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

Power Management

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

High Side Switches

  • MC12XS6: External Automotive Lighting Multi-Channel eXtreme Switch

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

Analog and Mixed Signal

Real-Time Clocks

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

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

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
  • Lower 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-K344BMU-Image

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  • RD-K344BMU
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  • HVBMS Battery Management Unit with S32K344 (BMU).

  • Kit contains:

    • 1 RD-K344BMU board
    • 1 power supply (12 VDC, 5 A)
    • 1 multipurpose cable
    • 1 USB-TTL cable
    • 1 ETPL cable
  • $819.00 USD
  • For a quantity of 1
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BATT-TPLCABLE20-Image

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  • BATT-TPLCABLE20
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  • Electrical transport protocol link (ETPL), two-wire, twisted, 20 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
Order from distributors
BATT-TPLCABLE50-Image

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  • BATT-TPLCABLE50
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  • Electrical transport protocol link (ETPL), two-wire, twisted, 50 cm-long cable.

  • $14.38 USD
  • For a quantity of 1
Order from distributors

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