【TI】多节锂离子电池组管理器BQ40Z50

　　The bq40z50 device，incorporating patented Impedance Track™ technology，is a fully integrated，single-chip， pack-based solution that provides a rich array of features for gas gauging，protection，and authentication for 1-series， 2-series，3-series，and 4-series cell Li-Ion and Li-Polymer battery packs。