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BQ24072TRGTR Datasheet(PDF) 1 Page - Texas Instruments

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Part # BQ24072TRGTR
Description  1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

BQ24072TRGTR Datasheet(HTML) 1 Page - Texas Instruments

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IN
VSS
BAT
DC
GND
Adaptor
bq24075T
bq24079T
OUT
EN2
TS
TEMP
PACK-
SYSTEM
SYSOFF
System
ON /OFF
Control
13
8
15
1
2
3
5
10
11
1mF
4.7 mF
4.7 mF
1 kW
1.18 kW
1 kW
10 kW
1.13 kW
13 kW
VIN
PACK+
bq24072T
bq24072T
bq24075T, bq24079T
www.ti.com
SLUS937A – DECEMBER 2009 – REVISED APRIL 2010
1.5A USB-Friendly Li-Ion Battery Charger and Power-Path Management IC
Check for Samples: bq24072T, bq24075T, bq24079T
1
FEATURES
Proprietary Start Up Sequence Limits Inrush
Current
Fully Compliant USB Charger
Status Indication – Charging/Done, Power
Selectable 100mA and 500mA Maximum Input
Good
Current
Small 3 mm × 3 mm 16 Lead QFN Package
100mA Maximum Current Limit Ensures
Compliance to USB-IF Standard
APPLICATIONS
Input based Dynamic Power Management
Smart Phones
(VIN-DPM) for Protection Against Poor USB
PDAs
Sources
MP3 Players
28V Input Rating with Over-voltage Protection
Low-Power Handheld Devices
Integrated Dynamic Power Path Management
(DPPM) Function Simultaneously and
DESCRIPTION
Independently Powers the System and
Charges the Battery
The bq2407xT series of devices are integrated Li-ion
linear chargers and system power path management
System Output Tracks Battery Voltage
devices
targeted
at
space-limited
portable
(bq24072T)
applications. The devices operate from either a USB
Supports up to 1.5A Charge Current with
port or AC adapter and support charge currents up to
Current Monitoring Output (ISET)
1.5A. The input voltage range with input over-voltage
protection supports unregulated adapters. The USB
Programmable Input Current Limit up to 1.5A
input current limit accuracy and start up sequence
for Wall Adapters
allow the bq2407xT to meet USB-IF inrush current
Battery Disconnect Function with SYSOFF
specification. Additionally, the input dynamic power
Input
management (VIN-DPM) prevents the charger from
Reverse Current, Short-Circuit and Thermal
crashing
incorrectly
configure
USB
sources.
Protection
(Description continued on next page)
Flexible Voltage Based NTC Thermistor Input
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2009–2010, 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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