S32K376 Battery Management System (BMS) and Vehicle Control Unit (VCU) PoC Design

S32K376POC

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The NXP S32K376 Battery Management System (BMS) and Vehicle Control Unit (VCU) proof of concept design is a demonstration of an integrated, one box Electronic Control Unit (ECU) solution.

The BMS system monitors battery voltage, temperature, fault status, among others and the VCU system samples simulated pedal position, gear, sensors, among others. Software is developed based on NXP's Real-Time Drivers (RTD).

This PoC is intended to provide a mechanism for easy customer evaluation of the S32K37 electrification MCU and to facilitate BMS and VCU hardware and software development. Additionaly, Over-the-air (OTA) and bootloader functions are also integrated into the software package, enabling in-field program updates. The FS26 Automotive Safety Basis Chip (SBC) is used for power management and monitoring.

Note: The actual hardware uses a 100% hardware and software compatible superset MCU S32K396.

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S32K376 BMS and VCU PoC hardware

S32K376 BMS and VCU PoC hardware

BMS Total

BMS total
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Supported Devices

High Side Switches

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

Low Side Switches

  • MC33996: 16-Output Switch with SPI Control

Power Management

12 V, 24 V, and 48 V SBC Solutions

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

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K39-37-36: S32K39/37/36 Microcontrollers for Electrification Applications

Interfaces

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

Automotive LIN Solutions

  • TJA1022: Dual LIN 2.2A/SAE J2602 Transceiver

Multi-Switch Detection Interface

  • CD1030: 33-Channel Multiple Switch Detection Interface with Programmable Current

Automotive Ethernet PHYs

  • TJA1101: TJA1101B, IEEE 100BASE-T1 Compliant Automotive Ethernet PHY Transceiver

Battery Management

Battery Communication ICs

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

Battery Cell Controllers

  • MC33774: 18 Channel Li-Ion Battery Cell Controller IC ASIL D

Features

Board features

  • Combines BMS and VCU functionalities in one ECU
  • MC33665 as communication gateway and TPL transceiver to support daisy chain of BCC device MC33774 communication
  • Supports multiple input/output interfaces: MSDI, ADC, GPIO, LSD and HSD
  • S32K396 microcontroller(289 MAPBGA soldered): a hardware and software compatible superset MCU of S32K376
  • 4x CH high-side and 11x low-side switch
  • 10x CH switch to ground input and 4x CH switch to programmable input MSDI interfaces
  • 1x LPUART, 3x CAN interface, 1x LIN interface, 1x 100BASE-T1 interface
  • 2x CH PWM capture interface
  • FS2633 (ASIL-D) system basis chip (SBC) for the board power supply and safety features
  • PCA2131TF automotive tiny Real-Time Clock/calendar with alarm function

Software features

  • BMS POC based on MC33774 and MC33665
  • VCU solution(HSD, LSD, MSDI, RTC)
  • Offers hardware OTA solution
  • Offers bootloader solution
  • Offers FS2633 operation
  • Offers three cores project based on RTD and EB Tresos

Buy Options

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S32K396BMS-EVB
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S32K396 Battery Management System Evaluation Board..

    $818.00 USD
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    HVBMS Centralized Cell Monitoring Unit Using ETPL with MC33774ATA.

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