Renesas offers a dedicated single-package solution with an MCU and analog front end (AFE) for battery management systems that constantly monitors the battery state.

Safety Features

  • Built-in self-diagnostic functions for microcontroller and analog front-end (AFE)
  • Low power mode for safe storage
  • Protection functions (over/under voltage, over charge/discharge current, short current, over/under temperature)

High Accuracy

  • High-precision delta-sigma A/D converter specialized for current, voltage, and temperature detection
  • Battery level calculation takes battery deterioration into account
Battery Management Controllers Block Diagram


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Lithium-Ion Battery Management Solution

Learn about how Renesas' Li-ion battery management solution solves the issues of cell-balancing and safety.