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MAX1811ESA+

更新时间： 2024-09-13 13:10:23
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美信 - MAXIM /
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MAX1811ESA+ 数据手册

 浏览型号MAX1811ESA+的Datasheet PDF文件第2页浏览型号MAX1811ESA+的Datasheet PDF文件第3页浏览型号MAX1811ESA+的Datasheet PDF文件第4页浏览型号MAX1811ESA+的Datasheet PDF文件第5页浏览型号MAX1811ESA+的Datasheet PDF文件第6页浏览型号MAX1811ESA+的Datasheet PDF文件第7页 
19-2024; Rev 2; 6/03  
USB-Powered Li+ Charger  
General Description  
Features  
The MAX1811 is a single-cell lithium-ion (Li+) battery  
charger that can be powered directly from a USB port*  
or from an external supply up to 6.5V. It has a 0.5%  
overall battery regulation voltage accuracy to allow  
maximum utilization of the battery capacity.  
o Charges Single-Cell Li+ Batteries Directly from  
USB Port  
o 0.5% Overall Charging Accuracy  
o Minimal External Components  
o Input Diode Not Required  
The charger uses an internal FET to deliver up to  
500mA charging current to the battery. The device can  
be configured for either a 4.1V or 4.2V battery, using  
the SELV input. The SELI input sets the charge current  
to either 100mA or 500mA. An open-drain output (CHG)  
indicates charge status.  
o Automatic IC Thermal Regulation  
o Preconditions Near-Depleted Cells  
o Convenient Power SO-8 Package (1.4W)  
o Protected by U.S. Patent # 6,507,172  
The MAX1811 has preconditioning that soft-starts a  
near-dead battery cell before charging. Other safety  
features include continuous monitoring of voltage and  
current and initial checking for fault conditions before  
charging.  
The MAX1811 is available in a small 1.4W thermally  
enhanced 8-pin SO package.  
________________________Applications  
Ordering Information  
PDAs and Palmtops  
Digital Still Cameras  
MP3 Players  
PART  
TEMP RANGE  
PIN-PACKAGE  
MAX1811ESA  
-40°C to +85°C  
8 SO  
Cell Phones  
Two-Way Pagers  
Hand-Held Computers  
Typical Operating Circuit  
Pin Configuration  
TOP VIEW  
TO LOAD  
BATT  
SINGLE  
Li+  
IN  
4.35V TO 6.5V  
4.2V  
CELL  
SELV  
SELI  
GND  
IN  
1
2
3
4
8
7
6
5
CHG  
EN  
SELV  
4.1V  
ON  
TO IN  
MAX1811  
MAX1811  
LED  
GND  
BATT  
EN  
OFF  
CHG  
GND  
500mA  
CHG  
LOGIC OUT  
SELI  
100mA  
SO  
* Protected by U.S. Patent # 6,507,172  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  
12345678

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MAX1811ESA+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX1811ESA+T MAXIM

完全替代

 Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MA-012, SO
MAX1930ESA MAXIM

完全替代

 Current-Limited Switch for Two USB Ports
MAX1811ESA MAXIM

完全替代

 USB-Powered Li+ Charger

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