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BQ27010DRKR Datasheet

  • BQ27010DRKR

  • Texas Instruments [Li-Ion AND Li-Pol BATTERY GAS GAUGE IC F...

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  • TI

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bq27010, bq27210
www.ti.com
SLUS707B 鈥?APRIL 2006 鈥?REVISED JANUARY 2007
Li-Ion AND Li-Pol BATTERY GAS GAUGE IC FOR PORTABLE APPLICATIONS
(bqJUNIOR)
FEATURES
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HDQ (bq27010) or I
2
C (bq27210)
Communication
Reports Accurate
Time-to-Empty
At Both
Measured and Host-Requested Load Values
Reports Available Capacity Compensated for
Discharge Rate, Temperature, and Age
End-of-Discharge Voltage Compensated for
Discharge Rate and Temperature
Automatic Capacity Reduction with Age
Reports Temperature, Voltage, and Current
High Accuracy Charge and Discharge Current
Integration with Automatic Offset Calibration
Requires No User Calibration
Programmable Input/Output Port
Internal User EEPROM Configuration Memory
Uploadable Coefficients Allows Host-Side Use
with Multiple Pack Characteristics
Stable Oscillator Without External
Components
Dynamic End-of-Discharge Detection Delay to
Allow Use in a High-Dynamic Load
Environment
Automatic Sleep Mode When Communication
Lines are Low
Available in a Small 3 mm x 4 mm QFN
Package
Five Low-Power Operating Modes
鈥?Active: < 90 碌A
鈥?Sleep: < 2.5 碌A
鈥?Ship: < 2 碌A (bq27010 only)
鈥?Hibernate: < 1.5 碌A
鈥?Data Retention: < 20 nA
APPLICATIONS
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PDA
Smart Phones
MP3 Players
Digital Cameras
Internet Appliances
Handheld Devices
DESCRIPTION
The bqJUNIOR鈩?series are highly accurate
stand-alone single-cell Li-Ion and Li-Pol battery
capacity monitoring and reporting devices targeted at
space-limited, portable applications. The IC monitors
a voltage drop across a small current sense resistor
connected in series with the battery to determine
charge and discharge activity of the battery.
Compensations for battery age, temperature,
self-discharge, and discharge rate are applied to the
capacity measurments to provide available
time-to-empty information across a wide range of
operating
conditions.
Battery
capacity
is
automatically recalibrated, or learned, in the course
of a discharge cycle from full to empty. Internal
registers include current, capacity, time-to-empty,
state-of-charge, cell temperature and voltage, status,
and more.
The bqJUNIOR can operate directly from single-cell
Li-Ion and Li-Pol batteries and communicates to the
system over a HDQ one-wire or I
2
C serial interface.
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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.
bqJUNIOR is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 漏 2006鈥?007, Texas Instruments Incorporated

BQ27010DRKR PDF文件相关型号

BQ27010DRKRG4

BQ27010DRKR 产品属性

  • 1

  • 集成电路 (IC)

  • PMIC - 电池管理

  • bqJUNIOR™

  • 燃料，电量检测计/监控器

  • 锂离子（Li-Ion）、锂聚合物（Li-Pol）

  • 2.6 V ~ 4.5 V

  • -20°C ~ 70°C

  • 表面贴装

  • 10-VFDFN 裸露焊盘

  • 10-VSON 裸露焊盘（3x4）

  • Digi-Reel®

  • 296-30783-ND - EVAL MOUDLE FOR BQ27010

  • 296-20634-6

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