ISL9211IRU68XZ-T Intersil, ISL9211IRU68XZ-T Datasheet

IC SAFETY CIRCUIT CHARGE 8-TDFN

ISL9211IRU68XZ-T

Manufacturer Part Number
ISL9211IRU68XZ-T
Description
IC SAFETY CIRCUIT CHARGE 8-TDFN
Manufacturer
Intersil
Datasheet

Specifications of ISL9211IRU68XZ-T

Function
Battery Monitor
Battery Type
Lithium-Ion (Li-Ion)
Voltage - Supply
4.3 V ~ 24 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-µTDFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ISL9211IRU68XZ-TTR
Charging System Safety Circuit
The ISL9211 is an integrated circuit (IC) optimized to provide
a redundant safety protection to a Li-ion battery 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
N-channel MOSFET to remove the power from the charging
system to the battery. In addition to the above protected
parameters, the IC also monitors its own internal
temperature and turns off the N-channel MOSFET when the
temperature exceeds +150°C. Together with the battery
charger IC and the protection module in a battery pack, the
charging system using the ISL9211 has triple-level
protection and is two-fault tolerant.
The IC is designed to turn on the internal NFET slowly to
avoid inrush current at power up but will turn off the NFET
quickly when the input is overvoltage in order to remove the
power before any damage occurs. The ISL9211 has a logic
flag output to indicate a fault condition.
Typical Application Circuit
Ordering Information
ISL9211IRU58XZ-T* 15X
ISL9211IRU68XZ-T* 16X
*Please refer to TB347 for details on reel specifications.
NOTE: These Intersil Pb-free plastic packaged products employ
special Pb-free material sets; molding compounds/die attach
materials and NiPdAu plate - e4 termination finish, which is 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.
INPUT
PART NUMBER
R
C
ILIM
1
ILIM
GND
VIN
MARKING
ISL9211
PART
®
FAULT
1
OUT
VB
-40 to +85 8 Ld µTDFN L8.2x2
-40 to +85 8 Ld µTDFN L8.2x2
RANGE
TEMP
(°C)
C
Data Sheet
2
PACKAGE
(Pb-Free)
R
BATTERY
PACK
CHARGER
BATTERY
VB
ISL6292
DWG. #
1-888-INTERSIL or 1-888-468-3774
PKG.
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• 24V Max Input Voltage
• Supports Up To 1.5A Input Current
• Fully Integrated Protection Circuit for Three Protected
• High Accuracy Protection Thresholds
• User Programmable Overcurrent Protection Threshold
• Responds To Input Overvoltage in Less Than 1µs
• High Immunity of False Triggering Under Transients
• Fault Indication for Various Fault Occurrence
• Easy to Use
• Pb-Free (RoHS Compliant)
Applications
• Cell Phones
• Digital Still Cameras
• PDAs and Smart Phones
• Portable Instruments
• Desktop Chargers
Related Literature
• Technical Brief TB363 “Guidelines for Handling and
• Technical Brief TB379 “Thermal Characterization of
• Technical Brief TB389 “PCB Land Pattern Design and
Pinout
Variables
Processing Moisture Sensitive Surface Mount Devices
(SMDs)”
Packaged Semiconductor Devices”
Surface Mount Guidelines for QFN Packages”
January 13, 2009
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
FAULT
Copyright © Intersil Americas Inc. 2008, 2009. All Rights Reserved.
GND
VIN
NC
1
2
3
4
(8 LD 2x2 µTDFN)
TOP VIEW
ISL9211
8
7
6
5
OUT
ILIM
VB
GND
ISL9211
FN6658.4

Related parts for ISL9211IRU68XZ-T

ISL9211IRU68XZ-T Summary of contents

Page 1

... PART NUMBER MARKING (°C) ISL9211IRU58XZ-T* 15X - µTDFN L8.2x2 ISL9211IRU68XZ-T* 16X - µTDFN L8.2x2 *Please refer to TB347 for details on reel specifications. NOTE: These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations ...

Page 2

... Limits should be considered typical and are not production tested. 2 ISL9211 Thermal Information Thermal Resistance (Typical, Note 2x2 µTDFN Package . . . . . . . . . . Maximum Junction Temperature (Plastic Package +150°C Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C Pb-Free Reflow Profile .see link below http://www.intersil.com/pbfree/Pb-FreeReflow.asp SYMBOL TEST CONDITIONS V Rising POR Falling ...

Page 3

Pin Descriptions VIN (Pin 1) The input power source. The VIN can withstand 24V input. GND (Pins 2, 5) System ground reference. NC (Pin 3) No connection and must be left floating. FAULT (Pin 4) FAULT is an open-drain logic ...

Page 4

Typical Operating Performance VIN(2V/div) OUT(2V/div) Load Current(200mA/div) TIME - 4ms/div FIGURE 2. CAPTURED WAVEFORMS FOR POWER-UP. THE OUTPUT IS LOADED WITH A 10Ω RESISTOR VIN(2V/div) OUT(2V/div) Fault(5V/div) TIME - 2s/div FIGURE 4. CAPTURED WAVEFORMS WHEN THE INPUT GRADUALLY RISES TO ...

Page 5

Typical Operating Performance VIN(2V/div) Load Current(500mA/div) OUT(2V/div) Fault(2V/div) TIME - 400ms/div FIGURE 8. POWER-UP WAVEFORMS WHEN OUTPUT IS SHORT-CIRCUITED 2.52 2.48 2.44 RISING THRESHOLD 2.40 2.36 FALLING THRESHOLD 2.32 2.28 2.24 2.20 -50 -30 - TEMPERATURE (°C) FIGURE ...

Page 6

Typical Operating Performance FIGURE 14. ON-RESISTANCE vs TEMPERATURE AT DIFFERENT INPUT VOLTAGES Theory of Operation The ISL9211 is an integrated circuit (IC) optimized to provide a redundant safety protection to a Li-ion battery from charging system failures. The IC monitors ...

Page 7

FET. The comparator CP2 then outputs a signal to turn off the power FET. The OCP threshold can be calculated using Equation 1: 0.8V 25000 ⋅ I --------------- 31250 --------------- - = = LIM R R ...

Page 8

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

Page 9

Package Outline Drawing L8.2x2 8 Lead Ultra Thin Dual Flat No-Lead COL Plastic Package (UTDFN COL) Rev 3, 11/07 2.00 6 PIN 1 INDEX AREA (4X) 0.15 TOP VIEW ( ...

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