ISL9209BIRZ Datasheet

  • ISL9209BIRZ

  • Intersil Corporation [Charging System Safety Circuit]

  • 599.40KB

  • INTERSIL   INTERSIL

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ISL9209B
Data Sheet
March 21, 2007
FN6400.0
Charging System Safety Circuit
The ISL9209B is an integrated circuit (IC) optimized to
provide a redundant safety protection to a Li-ion battery from
failures of a charging system. The IC monitors the input
voltage, the battery voltage and the charge current. When
any of the three parameters exceeds its limit, the IC turns off
an internal P-Channel MOSFET to remove the power from
the charging system. In addition to the above protected
parameters, the IC also monitors its own internal
temperature and turns off the P-Channel MOSFET when the
temperature exceeds +140掳C. Together with the battery
charger IC and the protection module in a battery pack, the
charging system using the ISL9209B has triple-level
protection and is two-fault tolerant.
The IC is designed to turn on the internal PFET slowly to
avoid inrush current at power up but will turn off the PFET
quickly when the input is overvoltage in order to remove the
power before any damage occurs. The ISL9209B has a logic
warning output to indicate the fault and an enable input to
allow the system to remove the input power.
Features
鈥?Fully Integrated Protection Circuit for Three Protected
Variables
鈥?High Accuracy Protection Thresholds
鈥?User Programmable Overcurrent Protection Threshold
鈥?Input Overvoltage Protection in Less than 1渭s
鈥?High Immunity of False Triggering Under Transients
鈥?Warning Output to Indicate the Occurrence of Faults
鈥?Enable Input
鈥?Easy to Use
鈥?Thermal Enhanced TDFN Package
鈥?Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
鈥?Cell Phones
鈥?Digital Still Cameras
鈥?PDAs and Smart Phones
Ordering Information
PART NUMBER
PART
TEMP.
(Note)
MARKING RANGE (掳C)
ISL9209BIRZ*
09BZ
-40 to +85
PACKAGE
(Pb-Free)
PKG.
DWG. #
鈥?Portable Instruments
鈥?Desktop Chargers
12 Ld 4x3 TDFN L12.4x3A
Related Literature
鈥?Technical Brief TB363 鈥淕uidelines for Handling and
Processing Moisture Sensitive Surface Mount Devices
(SMDs)鈥?/div>
鈥?Technical Brief TB379 鈥淭hermal Characterization of
Packaged Semiconductor Devices鈥?/div>
鈥?Technical Brief TB389 鈥淧CB Land Pattern Design and
Surface Mount Guidelines for QFN Packages鈥?/div>
*Add 鈥?T鈥?suffix for 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.
Typical Application Circuit
INPUT
VIN
OUT
ISL6292
BATTERY
CHARGER
Pinout
ISL9209B
(12 LD 4x3 TDFN)
TOP VIEW
C
1
ISL9209B
ILIM
VB
R
VB
EN
R
ILIM
GND
WRN
BATTERY
PACK
VIN
VIN
GND
WRN
NC
NC
1
2
3
EPAD
4
5
6
9
8
7
ILIM
VB
EN
12 NC
11 OUT
10 OUT
1
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 漏 Intersil Americas Inc. 2007. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.

ISL9209BIRZ 产品属性

  • 75

  • 集成电路 (IC)

  • PMIC - 电池管理

  • -

  • 电池监控器

  • 锂离子(Li-Ion)

  • 4.3 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面贴装

  • 12-WFDFN 裸露焊盘

  • 12-TDFN-EP(4x3)

  • 管件

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