BQ3050

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community bq3050 SLUSA92D – JANUARY 2011 – REVISED MAY 2015 bq3050 CEDV Gas Gauge and Battery Pack Manager for 2-Series, 3-Series, and 4-Series Li-Ion Batteries 1 Features 1 Fully Integrated 2-Series, 3-Series, and 4-Series Li-Ion or Li-Polymer Cell Battery Pack Manager and Protection Advanced Compensated End-of-Discharge Voltage (CEDV) Gauging High Side N-CH Protection FET Drive Integrated Pre-Charge FET Integrated Cell Balancing Low Power Modes – Low Power: < 180 µA – Sleep < 76 µA Full Array of Programmable Protection Features – Voltage – Current – Temperature Sophisticated Charge Algorithms – JEITA – Enhanced Charging – Adaptive Charging Supports Two-Wire SMBus v1.1 Interface SHA-1 Authentication Compact Package: 38-Lead TSSOP 3 Description The Texas Instruments bq3050 Compensated Endof-Discharge Voltage (CEDV) Gas Gauge and Battery Pack Manager is a single-chip solution that provides a rich array of features for protection, authentication, and data gathering for 2-series, 3-series, and 4-series cell Li-Ion and Li-Polymer battery packs. Using its integrated high-performance analog peripherals, the bq3050 device measures and maintains an accurate record of available capacity, voltage, current, temperature, and other critical parameters in Li-Ion or Li-Polymer batteries, and reports this information to the system host controller over an SMBus v1.1 compatible interface. The...