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bq20z65-R1DBTR Datasheet(PDF) 1 Page - Texas Instruments

Part # bq20z65-R1DBTR
Description  SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION ENABLED WITH IMPEDANCE TRACK?
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

bq20z65-R1DBTR Datasheet(HTML) 1 Page - Texas Instruments

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bq20z65-R1
www.ti.com
SLUS990 – DECEMBER 2009
SBS 1.1-COMPLIANT GAS GAUGE AND PROTECTION
ENABLED WITH IMPEDANCE TRACK™
Check for Samples: bq20z65-R1
1
FEATURES
APPLICATIONS
Notebook PCs
2
Next Generation Patented Impedance Track™
Technology Accurately Measures Available
Medical and Test Equipment
Charge in Li-Ion and Li-Polymer Batteries
Portable Instrumentation
Better Than 1% Error Over the Lifetime of
DESCRIPTION
the Battery
Supports the Smart Battery Specification
The bq20z65-R1 SBS-compliant gas gauge and
SBS V1.1
protection IC, incorporating patented Impedance
Track™ technology, is a single IC solution designed
Flexible Configuration for 2 to 4 Series Li-Ion
for
battery-pack
or
in-system
installation.
The
and Li-Polymer Cells
bq20z65-R1 measures and maintains an accurate
Powerful 8-Bit RISC CPU With Ultralow Power
record of available charge in Li-ion or Li-polymer
Modes
batteries
using
its
integrated
high-performance
analog
peripherals.
The
bq20z65-R1
monitors
Full Array of Programmable Protection
capacity change, battery impedance, open-circuit
Features
voltage, and other critical parameters of the battery
Voltage, Current, and Temperature
pack which reports the information to the system host
Satisfies JEITA Guidelines
controller over a serial-communication bus. Together
with
the
integrated
analog
front-end
(AFE)
Added Flexibility to Handle More Complex
short-circuit and overload protection, the bq20z65-R1
Charging Profiles
maximizes functionality and safety while minimizing
Lifetime Data Logging
external component count, cost, and size in smart
Drives 3, 4, and 5 Segment LED Display for
battery circuits.
Battery-Pack Conditions
The implemented Impedance Track™ gas gauging
Supports SHA-1 Authentication
technology
continuously
analyzes
the
battery
Complete Battery Protection and Gas Gauge
impedance,
resulting
in
superior
gas-gauging
Solution in One Package
accuracy. This enables remaining capacity to be
calculated with discharge rate, temperature, and cell
Available in a 44-Pin TSSOP (DBT) package
aging all accounted for during each stage of every
cycle with high accuracy.
Table 1. AVAILABLE OPTIONS
PACKAGE(1)
TA
44-PIN TSSOP (DBT) Tube
44-PIN TSSOP (DBT) Tape and Reel
–40°C to 85°C
bq20z65-R1DBT(2)
bq20z65-R1DBTR(3)
(1)
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
(2)
A single tube quantity is 40 units.
(3)
A single reel quantity is 2000 units
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2
Impedance Track is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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