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bq34z950

Texas Instruments
Part Number bq34z950
Manufacturer Texas Instruments
Description SBS 1.1-Compliant Gas Gauge/Protection
Published Nov 28, 2019
Detailed Description bq34z950 www.ti.com SLUSBF0A – APRIL 2013 – REVISED MAY 2013 SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH ...
Datasheet PDF File bq34z950 PDF File

bq34z950
bq34z950

Overview
bq34z950 www.
ti.
com SLUSBF0A – APRIL 2013 – REVISED MAY 2013 SBS 1.
1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH IMPEDANCE TRACK™ WITH OPTIONAL DQ INTERFACE Check for Samples: bq34z950 FEATURES 1 •2 Next Generation Patented Impedance Track™ Technology Accurately Measures Available Charge in Li-Ion and Li-Polymer Batteries – Better Than 1% Error Over the Lifetime of the Battery • Supports the Smart Battery Specification SBS V1.
1 • Optional DQ Communication Interface • Flexible Configuration for 2-Series to 4-Series Li-Ion and Li-Polymer Cells • Powerful 8-Bit RISC CPU with Ultralow Power Modes • Full Array of Programmable Protection Features – Voltage – Current – Temperature • Satisfies JEITA Guidelines • Added Flexibility to Handle More Complex Charging Profiles • Drives 3-, 4-, and 5-Segment LED Display for Battery-Pack Conditions • Supports SHA-1 Authentication • Complete Battery Protection and Gas Gauge Solution in One Package • Available in a 44-Pin TSSOP (DBT) Package APPLICATIONS • Notebook PCs • Medical and Test Equipment • Portable Instrumentation DESCRIPTION The bq34z950 SBS-compliant gas gauge and protection IC, incorporating patented Impedance Track technology, is a single IC solution designed for battery-pack or in-system installation.
The bq34z950 measures and maintains an accurate record of available charge in Li-Ion or Li-Polymer batteries using its integrated high-performance analog peripherals.
The bq34z950 monitors capacity change, battery impedance, open-circuit voltage, and other critical parameters of the battery pack which reports the information to the system host controller over a serial-communication bus.
SMBus and single-wire DQ communication interfaces are both available.
Together with the integrated analog front-end (AFE) short-circuit and overload protection, the bq34z950 maximizes functionality and safety while minimizing external component count, cost, and size in smart battery circuits.
The implemented Impedance Track gas gau...


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