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BQ34Z651DBTR Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ34Z651DBTR
Description  SBS 1.1-Compliant Gas Gauge
Download  29 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

BQ34Z651DBTR Datasheet(HTML) 1 Page - Texas Instruments

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bq34z651
www.ti.com
SLUSAL7
– AUGUST 2011
SBS 1.1-Compliant Gas Gauge and Protection Enabled With Impedance Track
™ and
External Battery Heater Control
Check for Samples: bq34z651
1
FEATURES
APPLICATIONS
2
Next Generation Patented Impedance Track
Notebook PCs
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
the Battery
DESCRIPTION
Supports the Smart Battery Specification
The
bq34z651
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-Series to 4-Series
for
battery-pack
or
in-system
installation.
The
Li-Ion and Li-Polymer Cells
bq34z651 measures and maintains an accurate
Battery Temperature Heater Control
record of available charge in Li-Ion or Li-Polymer
Powerful 8-Bit RISC CPU with Ultralow Power
batteries
using
its
integrated
high-performance
analog peripherals. The bq34z651 monitors capacity
Modes
change, battery impedance, open-circuit voltage, and
Full Array of Programmable Protection
other critical parameters of the battery pack, which
Features
reports the information to the system host controller
– Voltage, Current, and Temperature
over a serial-communication bus. Together with the
integrated analog front-end (AFE) short-circuit and
Satisfies JEITA Guidelines
overload
protection,
the
bq34z651
maximizes
Added Flexibility to Handle More Complex
functionality and safety while minimizing external
Charging Profiles
component count, cost, and size in smart battery
Lifetime Data Logging
circuits.
Drives 3-, 4-, and 5-Segment LED Display for
The implemented Impedance Track gas gauging
Battery-Pack Conditions
technology
continuously
analyzes
the
battery
Supports SHA-1 Authentication
impedance,
resulting
in
superior
gas-gauging
accuracy. This enables remaining capacity to be
Complete Battery Protection and Gas Gauge
calculated with discharge rate, temperature, and cell
Solution in One Package
aging
—all accounted for during each stage of every
Available in a 44-Pin TSSOP (DBT) package
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
bq34z651DBT(2)
bq34z651DBTR(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
© 2011, 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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