Datasheet > ISL9209

ISL9209

更新时间： 2024-09-24 04:44:59

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
11页	601K
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Charging System Safety Circuit

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ISL9209 数据手册

ISL9209

Data Sheet

April 25, 2006

FN6274.0

Charging System Safety Circuit

Features

• Fully Integrated Protection Circuit for Three Protected

Variables

The ISL9209 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°C. Together with the battery charger IC and the

protection module in a battery pack, the charging system

using the ISL9209 has triple-level protection and is two-fault

tolerant.

• High Accuracy Protection Thresholds

• User Programmable Over-Current Protection Threshold

• Input Over-Voltage Protection in Less Than 1μs

• High Immunity of False Triggering Under Transients

• Warning Output to Indicate the Occurrence of Faults

• Enable Input

• Easy to Use

• Thermal Enhanced TDFN Package

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 ISL9209 has a logic

warning output to indicate the fault and an enable input to

allow the system to remove the input power.

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Cell Phones

• Digital Still Cameras

• PDAs and Smart Phones

• Portable Instruments

• Desktop Chargers

Ordering Information

PARTNUMBER

(NOTE)

PART

TEMP.

PACKAGE

(Pb-Free)

PKG.

DWG. #

MARKING RANGE (°C)

ISL9209IRZ

09Z -40 to 85

12 Ld 4x3 TDFN L12.4x3A

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

ISL9209IRZ-T 09Z

12 Ld 4x3 TDFN 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.

• Technical Brief TB379 “Thermal Characterization of

Packaged Semiconductor Devices”

• Technical Brief TB389 “PCB Land Pattern Design and

Surface Mount Guidelines for QFN Packages”

Typical Application Circuit

Pinout

INPUT

VIN

ISL6292

Battery

Charger

OUT

ISL9209

(4x3 TDFN)

TOP VIEW

C₁

ISL9209

VIN

12 NC

ILIM

OUT

ILIM

R_VB

GND

WRN

ILIM

Battery

Pack

EPAD

GND

WRN

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.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...11

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ISL9209C	INTERSIL	获取价格	Charging System Safety Circuit
ISL9209CIRZ	INTERSIL	获取价格	Charging System Safety Circuit
ISL9209IRZ	INTERSIL	获取价格	Charging System Safety Circuit
ISL9209IRZ-T	INTERSIL	获取价格	Charging System Safety Circuit
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