BQ20Z95DBTR ,SBS 1.1-Compliant Gas Gauge Enabled w/Impedance Track 44-TSSOP -40 to 85FEATURESDESCRIPTION2• Next Generation Patented Impedance Track™The bq20z95 SBS-compliant gas gauge ..
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BQ20Z95-BQ20Z95DBT-BQ20Z95DBTR
SBS 1.1-Compliant Gas Gauge Enabled w/Impedance Track
bq20z95
www.ti.com SLUS757C–JULY 2007–REVISED OCTOBER 2013
SBS 1.1-COMPLIANT GAS GAUGE and PROTECTION ENABLED WITH IMPEDANCE
TRACK™
Checkfor Samples: bq20z95
1FEATURES
DESCRIPTION Next Generation Patented Impedance Track™ The bq20z95 SBS-compliant gas gauge and
Technology Accurately Measures Available protection ICisa single IC solution designed for
Chargein Li-Ion and Li-Polymer Batteries battery-packor in-system installation. The bq20z95
– Better Than 1% Error Over Lifetimeof the measures and maintains an accurate record of
Battery available chargein Li-Ion or Li-Polymer batteries
using its integrated high-performance analog
• Supports the Smart Battery Specificationperipherals, monitors capacity change, battery
SBS V1.1 impedance, open-circuit voltage, and other critical
• Flexible Configuration for 2-Seriesto 4-Series parametersof the battery pack as well and reports
Li-Ion and Li-Polymer Cells the informationto the system host controller overa
Powerful 8-Bit RISC CPU With Ultra-Low serial-communication bus. Together with the
Power Modes integrated analog front-end (AFE) short-circuit and
overload protection, the bq20z95 maximizes
• Full Arrayof Programmable Protection functionality and safety while minimizing external
Features component count, cost, and sizein smart battery
– Voltage, Current, and Temperature circuits.
Supports SHA-1 Authentication The implemented Impedance Track™ gas gauging
• Complete Battery Protection and Gas Gauge technology continuously analyzes the battery
Solutionin One Package impedance, resulting in superior gas-gauging
accuracy. This enables remaining capacity to be
• Small 44-Pin TSSOP (DBT) Package calculated with discharge rate, temperature, and cell
aging all accounted for during each stageof every
APPLICATIONS cycle with high accuracy.
• Notebook PCs Medical and Test Equipment Portable Instrumentation
Table1. AVAILABLE OPTIONS
