IBS: Intelligent battery sensor

The intelligent battery sensor (IBS) is a mechatronic component with its own microcontroller for monitoring the battery condition.

The IBS continuously measures the following values on the battery:

• Voltage
• Charge and discharge current
• Battery temperature
  Fig 1: Intelligent Battery Sensor Related Components

  Courtesy of BMW OF NORTH AMERICA, INC.

For data transfer, the IBS is connected to the DME (Digital Motor Electronics) or DDE (Digital Diesel Electronics) via a local interconnect network bus (LIN bus).