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bq40z80

Texas Instruments
Part Number bq40z80
Manufacturer Texas Instruments
Description 2-Series to 7-Series Li-Ion Battery-Pack Manager
Published Dec 3, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community bq40z80 SLUSBV4A – JUNE 2018 – RE...
Datasheet PDF File bq40z80 PDF File

bq40z80
bq40z80

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community bq40z80 SLUSBV4A – JUNE 2018 – REVISED NOVEMBER 2018 bq40z80 2-Series to 7-Series Li-Ion Battery Pack Manager 1 Features •1 Fully Integrated 2-Series to 7-Series Li-Ion or LiPolymer Cell Battery Pack Manager and Protection • Next-Generation Patented Impedance Track™ Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries • Configurable Multifunction Pins to Support a Variety of Applications • Supports Either Elliptic Curve Cryptography (ECC) or SHA-1 Authentication • High-Side N-CH Protection FET Drive • Integrated Cell Balancing While Charging or at Rest • Supports 29-Ah Batteries Natively, and Larger Capacities with Scaling • 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 Mode 2.
0/Intel® Dynamic Battery Power Technology (DBPTv2) • Diagnostic Lifetime Data Monitor and Black Box Recorder • LED Display • Supports Two-Wire SMBus v1.
1 Interface • IATA Support • Compact Package: 32-Lead QFN (RSM) 3 Description The bq40z80 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 2-series up to 7-series cell Li-Ion and Li-Polymer battery packs.
Using its integrated high-performance analog peripherals, the bq40z80 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.
Elliptic Curve Cryptography (ECC) or SHA-1 authentication with secure memory for authentication keys enables identification of genuine battery packs.
The...


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