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bq24088 Datasheet(PDF) 1 Page - Texas Instruments

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Part # bq24088
Description  750-mA Single-Chip Li-Ion and Li-Pol Charge Management IC With Thermal Regulation
Download  42 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

bq24088 Datasheet(HTML) 1 Page - Texas Instruments

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IN
STAT 1
CE
OUT
Li-IonorLi-Pol
BatteryPack
+
Pack-
Pack+
STAT 2
Vss
ISET
PG
RED
GREEN
RSET
TMR
RTMR
1
2
3
4
5
6
7
8
9
10
BAT
ChargeEnable
andPowerGood
InputPower
R2
1.5kW
R1
1.5kW
bq24085
1 F
m
C2
49.9kW
1.13kW
C3
4.7 F
m
Product
Folder
Sample &
Buy
Technical
Documents
Tools &
Software
Support &
Community
bq24085, bq24086, bq24087, bq24088
SLUS784E – DECEMBER 2007 – REVISED DECEMBER 2015
bq2408x 750-mA Single-Chip Li-Ion and Li-Pol Charge Management IC
With Thermal Regulation
1 Features
3 Description
The bq2408x series are highly integrated Li-Ion and
1
Ideal for Low-Dropout Designs for Single-Cell Li-
Li-Pol linear chargers, targeted at space-limited
Ion or Li-Pol Packs in Space Limited Applications
portable applications. The bq2408x series offers a
Integrated Power FET and Current Sensor for up
variety of protection features and functional options,
to 750-mA Charge Applications
while still implementing a complete charging system
in a small package. The battery is charged in three
Reverse Leakage Protection Prevents Battery
phases: conditioning, constant or thermally regulated
Drainage
current, and constant voltage. Charge is terminated
±0.5% Voltage Regulation Accuracy
based
on
minimum
current.
An
internal
Thermal Regulation Maximizes Charge Rate
programmable
charge
timer
provides
a
backup
Charge Termination by Minimum Current and
protection feature for charge termination and is
dynamically adjusted during the thermal regulation
Time
phase. The bq2408x automatically restarts the charge
Precharge Conditioning With Safety Timer
if the battery voltage falls below an internal threshold;
Status Outputs for LED or System Interface
sleep mode is set when the external input supply is
Indicate Charge, Fault, and Power Good Outputs
removed. Multiple versions of this device family
enable easy design of the bq2408x in cradle chargers
Short-Circuit and Thermal Protection
or in the end equipment, while using low cost or high-
Automatic Sleep Mode for Low Power
end AC adapters.
Consumption
Small 3×3 mm MLP Package
Device Information(1)
Selectable Battery Insertion and Battery Absent
PART NUMBER
PACKAGE
BODY SIZE (NOM)
Detection
bq2408x
VSON (10)
3.00 mm × 3.00 mm
Input Overvoltage Protection
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
6.5 V and 10.5 V Options
2 Applications
PDA, MP3 Players, Digital Cameras
Internet Appliances and Handheld Devices
Typical Application Circuit
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.


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