The MC33771C is a Li-Ion battery cell controller IC designed for automotive and industrial applications such as HEV, EV, ESS, UPS systems. Featuring: * ADC conversions on the differential cell voltages with averaging up to 256 samples and currents as well as coulomb counting and temperature measurements. * Embedded balancing transistors and diagnostics to simplify applications. * Support standard SPI and transformer isolated daisy chain communication (with MC33664) to an MCU for processing and control up to 63 nodes in one daisy chain. * Loopback support for one daisy chain