12 V Lead-Acid Battery Sensor with CAN


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Product Details

Block Diagram

Lead-acid Battery

RD9Z1-638-12V CAN Block Diagram

Supported Devices

Power Management

Battery Sensors


3.3 V / 5 V IO CAN Transceivers


Magni V S12Z

  • Embedded S12Z microcontroller with:
    • 128 KB on-chip flash with ECC
    • 4.0 KB on-chipEEPROM with ECC
    • 8.0 KB on-chip SRAM with ECC

Power Management

  • Embedded power management
  • Reverse polarity protection with a Schottky diode


  • Precision battery voltage sensing
  • Precision shunt-based battery current sensing
  • On-board NTC for battery temperature sensing
  • Internal (chip) temperature sensing


  • CAN Interface
  • BDM interface (for MCU programming and debugging)

Buy Options


Click to expand

  • RD9Z1-638-12V-C

  • Reference design - MM9Z1_638, Battery sensor LIN, CAN, 96-128K Flash, Lead Acid Batteries.

  • $282.90 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 10
    • Shipping: Normally ships 1-2 business days
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Design Resources

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Design Files

4 design files


3 software files

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


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