NewTec battery management system (BMS) reference design

Roll over image to zoom in

Block Diagram

Choose a diagram:

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

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


NEWTEC-NTBMS reference design - Block Diagram

Supported Devices

Processors and Microcontrollers

S32K Auto General-Purpose MCUs

KEA Automotive MCUs

Power Management

System Basis Chips

Battery Cell Controllers


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


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


  • 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


  • 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


Click to expand


  • NewTec battery management system (BMS) reference design.

  • $919.00USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 6
    • Shipping: Normally ships 1-2 business days
Order from distributors


Quick reference to our documentation types.

1-5 of 6 documents

Show All

Design Files

Quick reference to our design files types.

1 design file


Quick reference to our software types.

5 software files

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


1 trainings