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BQ40Z50 数据手册 ( 数据表 )

零件编号产品描述 (功能)生产厂家
BQ40Z50 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager TI
Texas Instruments TI
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Description
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.
Using its integrated high-performance analog peripherals, the bq40z50 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.

Features
• Fully Integrated 1-Series, 2-Series, 3-Series, and
   4-Series Li-Ion or Li-Polymer Cell Battery Pack
   Manager and Protection
• Next-Generation Patented Impedance Track™
   Technology Accurately Measures Available
   Charge in Li-Ion and Li-Polymer Batteries
• High Side N-CH Protection FET Drive
• Integrated Cell Balancing While Charging or At
   Rest
• Full Array of Programmable Protection Features
   – Voltage
   – Current
   – Temperature
   – Charge Timeout
   – CHG/DSG FETs
   – AFE
• Sophisticated Charge Algorithms
   – JEITA
   – Enhanced Charging
   – Adaptive Charging
   – Cell Balancing
• Supports TURBO BOOST Mode
• Supports Battery Trip Point (BTP)
• Diagnostic Lifetime Data Monitor and Black Box
   Recorder
• LED Display
• Supports Two-Wire SMBus v1.1 Interface
• SHA-1 Authentication
• Compact Package: 32-Lead QFN (RSM)

Applications
• Notebook/Netbook PCs
• Medical and Test Equipment
• Portable Instrumentation

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