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The NXP battery cell controller MC33775 is a 14 channel lithium-ion battery controller IC ASIL D. MC33775A is a lithium battery controller IC designed for automotive and industrial control applications such as HEV and ESS.

MC33775A is a 14 cell lithium battery controller IC suitable for automotive applications such as hybrid and electric vehicle (HEV/EV) systems, as well as industrial applications such as energy storage systems (ESS).

This device measures differential high-precision battery voltage and temperature. It provides ASIL D-level standard support and can measure battery voltage, module voltage, and temperature. In addition, the device also has a wide range of passive battery voltage balancing functions, which can balance the voltage of each battery in the entire battery pack. This device provides a Serial Peripheral Interface (SPI) and an isolated daisy chain interface, which can communicate with the host MCU.

NXP battery cell controller MC33775 is a 14 channel lithium-ion battery controller IC ASIL D system feature

  • 4-10 batteries per device
    ISO 26262 ASIL D-level standard, capable of measuring battery voltage, module voltage, and temperature
    External temperature and auxiliary voltage measurement
    Module voltage measurement
    Vehicle mounted passive battery balancing
    Up to 300 mA balanced MOSFET with diagnostic function
    Simultaneously balanced
    Timer, voltage, temperature, PWM control balance
    Isolate daisy chain or SPI communication
    Diagnosis, functional safety, and stability
    Long term supply plan for products

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