BMA7418 is an automotive lithium-ion (Li-ion) battery cell controller-integrated circuit (IC) with a dedicated, high-accuracy analog-to-digital converter (ADC) per voltage measurement channel. Electrochemical impedance spectroscopy (EIS) is supported by a high synchronization capability and integrated Discrete Fourier Transform (DFT) per measurement channel. With BMA7118 and BMA7418 in the same product family—having pin compatablity and using the same software—the two are interchangeable. BMA7418 offers low 5 mA current consumption due to its integrated DC-to-DC converter. As a fully redundant and independent internal architecture, it achieves automotive safety integrity level ASIL D functional safety.
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