NewTec battery management system (BMS) reference design

NEWTEC-NTBMS

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The NEWTEC-NTBMS is an e-mobility reference design and complete safety support package for battery management systems (BMS).

Developed in partnership with NewTec, the NEWTEC-NTBMS is intended for device manufacturers with Lithium-ion batteries and suppliers of automotive or industrial applications. It provides a high degree of reliability and safety, targeting BMS up to ASIL C according to ISO 26262.

Block Diagram

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NEWTEC-NTBMS Safety System-on-Module (SoM) Block Diagram

NEWTEC-NTBMS Safety System-on-Module (SoM) - Block Diagram

NEWTEC Design

NEWTEC-NTBMS reference design - Block Diagram
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Supported Devices

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

  • S32K1: S32K1 Microcontrollers for Automotive General Purpose

KEA Automotive MCUs

  • KEA: Ultra-Reliable KEA Automotive Microcontrollers (MCUs) based on Arm® Cortex®-M0+ Core

Power Management

System Basis Chips

  • FS4500: Grade 1 and Grade 0 Safety Power System Basis Chip with CAN Flexible Data Transceiver

Battery Cell Controllers

  • MC33772B: 6-Channel Li-Ion Battery Cell Controller IC

Features

NEWTEC-NTBMS has two boards approach

  • A functional safety system-on-module (SoM) board, based on S32K144 and KEA MCUs and FS4503C safety power system
  • A BMS application board, based on MC33772B battery cell controller IC
  • Control of up to 6 Lithium-ion battery cells
  • Intrusive diagnostics (performed by MCU)
  • Programmable in C

Interfaces

  • Onboard interfaces for CAN bus, LIN
  • RAM and flash memory storage

Power

  • Permanent measurement of cell voltages
  • Power supply with watchdog protection
  • Power management: low power and normal mode
  • Electrical current carrying capability: 200 A continuous current, 800 A maximum current
  • Operating Current < 25 mA@RT
  • Undervoltage (short circuit) and overcurrent/overvoltage detections, overcurrent control fuse

Temperature

  • Over-temperature protection

Functional Safety

  • All components AEC-Q qualified
  • Safe relay (breaker) control targeting ASIL C at system level
  • Various definable safe states, including crash detection
  • Unintended relay close and unintended relay open

Buy Options

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  • NTBMS-FSNXP
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  • NewTec battery management system (BMS) reference design.

  • $919.00 USD
  • For a quantity of 1
    • Availability: Pending Stock
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