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ISL6292C

更新时间: 2024-11-13 11:52:43
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英特矽尔 - INTERSIL 电池
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11页 436K
描述
Li-ion/Li Polymer Battery Charger

ISL6292C 数据手册

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ISL6292C  
®
Data Sheet  
July 22, 2005  
FN9133.2  
Li-ion/Li Polymer Battery Charger  
Features  
The ISL6292C 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.  
• 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  
The ISL6292C 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 ISL6292C can also work with a current-limited  
adapter to minimize the thermal dissipation, in which case  
the ISL6292C combines the benefits of both a linear charger  
and a pulse charger.  
• Programmable Current Limit up to 1.5A  
• Charge Current Thermal Foldback  
• Accepts Multiple Types of Adapters  
• Guaranteed to Operate at 2.65V After Start Up  
• Ambient Temperature Range: -20°C to 70°C  
• Thermally-Enhanced DFN Packages  
• Pb-Free Plus Anneal Available (RoHS Compliant)  
The ISL6292C 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,  
automatic recharge, and thermally enhanced DFN package.  
Applications  
Ordering Information  
• Handheld Devices including Medical Handhelds  
• PDAs, Cell Phones and Smart Phones  
• Portable Instruments, MP3 Players  
• Self-Charging Battery Packs  
• Stand-Alone Chargers  
TEMP.  
PKG.  
PART # (NOTE) RANGE (°C)  
PACKAGE  
DWG. #  
ISL6292CCR3Z  
-20 to 70 10 Ld 3x3 DFN (Pb-free) L10.3x3  
ISL6292CCR3Z-T 10 Ld 3x3 DFN Tape and Reel (Pb-free)  
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.  
• USB Bus-Powered Chargers  
Related Literature  
Technical Brief TB363 “Guidelines for Handling and  
Processing Moisture Sensitive Surface Mount Devices  
(SMDs)”  
Typical Application Circuit  
Technical Brief TB379 “Thermal Characterization of  
Packaged Semiconductor Devices”  
5V  
VIN  
VBAT  
Technical Brief TB389 “PCB Land Pattern Design and  
Surface Mount Guidelines for QFN Packages”  
Input  
ISL6292C  
C
C
2
1
Pinout  
ISL6292C (3x3 DFN)  
VSEN  
FAULT  
STATUS  
TOP VIEW  
V2P8  
IREF  
Floating  
to Enable  
EN  
VIN  
1
10 VBAT  
C
3
FAULT  
STATUS  
TIME  
2
3
4
5
9
8
7
6
VSEN  
IREF  
V2P8  
EN  
TIME  
GND  
C
R
TIME  
IREF  
GND  
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. 2004-2005. All Rights Reserved.  
1
All other trademarks mentioned are the property of their respective owners.  

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