• Designs
  • HVBMS | Battery Management Unit (BMU)

HVBMS Battery Management Unit with S32K344 (BMU)

RD-K344BMU
  • Preproduction
  • This page contains information on a preproduction product. Specifications and information herein are subject to change without notice. For additional information contact support or your sales representative.

Roll over image to zoom in

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.

Product Details

Select a section:

Block Diagram

HVBMS Battery Management Unit with S32K344 - RD-K344BMU

HVBMS Battery Management Unit with S32K344 - RD-K344BMU
Get diagram PDF

Supported Devices

Sensors

Battery Pressure Monitoring Sensors (BPMS)

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

Power Management

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

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 General-Purpose MCUs

  • S32K3: S32K3 Microcontrollers for General-Purpose

Peripherals and Logic

RTCs with Temperature Compensation

  • 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

Click to expand

  • RD-K344BMU

  • 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
Buy From Distributor
BATT-TPLCABLE20-Image

Click to expand

  • 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: 8
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor
BATT-TPLCABLE50-Image

Click to expand

  • 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: 20
    • Shipping: Normally ships 1-2 business days
Buy from NXPBuy From Distributor

Documentation

Quick reference to our documentation types.

Filters

2 documents

Design Resources

Select a section:

Design Files

Filters

Training

Filters

2 trainings

Support

What do you need help with?

  • Narrow your search
Search