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ISL9203ACRZ-T Datasheet(PDF) 1 Page - Intersil Corporation

Part # ISL9203ACRZ-T
Description  Li-ion/Li Polymer Battery Charger
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL9203ACRZ-T Datasheet(HTML) 1 Page - Intersil Corporation

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1
®
FN6430.0
ISL9203A
Li-ion/Li Polymer Battery Charger
The ISL9203A is an integrated single-cell Li-ion or
Li-polymer battery charger capable of operating with an input
voltage as low as 2.4V. This charger is designed to work with
various types of AC adapters.
The ISL9203A operates as a linear charger when the AC
adapter is a voltage source. The battery is charged in a
CC/CV (constant current/constant voltage) profile. The
charge current is programmable with an external resistor up
to 1.5A. The ISL9203A can also work with a current-limited
adapter to minimize the thermal dissipation, in which case
the ISL9203A combines the benefits of both a linear charger
and a pulse charger.
The ISL9203A features charge current thermal foldback to
guarantee safe operation when the printed circuit board is
space limited for thermal dissipation. Additional features
include preconditioning of an over-discharged battery and
thermally enhanced DFN package.
Typical Application Circuit
Features
• Complete Charger for Single-Cell Li-ion Batteries
• Very Low Thermal Dissipation
• Integrated Pass Element and Current Sensor
• No External Blocking Diode Required
• 1% Voltage Accuracy
• Programmable Current Limit up to 1.5A
• Charge Current Thermal Foldback
• Accepts Multiple Types of Adapters
• Guaranteed operation down to VIN = 2.65V after start up
• Ambient Temperature Range: -20°C to +70°C
• Thermally-Enhanced DFN Packages
• Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
• Handheld Devices including Medical Handhelds
• PDAs, Cell Phones and Smart Phones
• Portable Instruments, MP3 Players
• Self-Charging Battery Packs
• Stand-Alone Chargers
• USB Bus-Powered Chargers
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
• Technical Brief TB379 “Thermal Characterization of
Packaged Semiconductor Devices”
• Technical Brief TB389 “PCB Land Pattern Design and
Surface Mount Guidelines for QFN Packages”
Ordering Information
PART NUMBER
(Note)
PART
MARKING
TEMP.
RANGE
(°C)
PACKAGE
(Pb-free)
PKG
DWG. #
ISL9203ACRZ
03ACZ
-20 to +70
10 Ld 3x3 DFN L10.3x3
ISL9203ACRZ-T 10 Ld 3x3 DFN Tape and Reel
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100% matte
tin plate termination finish, which are RoHS compliant and compatible
with both SnPb and Pb-free soldering operations. Intersil Pb-free
products are MSL classified at Pb-free peak reflow temperatures that
meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
VBAT
VIN
5V
INPUT
ISL9203A
C1
V2P8
EN
GND
IREF
VSEN
STATUS
TIME
CTIME
FLOATING
TO ENABLE
C2
C3
RIREF
R1
Pinout
ISL9203A
(10 LD 3x3 DFN)
TOP VIEW
VIN
STATUS
TIME
GND
VBAT
VSEN
IREF
V2P8
EN
2
3
4
1
5
9
8
7
10
6
NC
Data Sheet
February 14, 2007
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2007. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.


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