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DS2436B+R PDF预览

DS2436B+R

更新时间: 2024-11-06 06:54:39
品牌 Logo 应用领域
达拉斯 - DALLAS 电池监视器
页数 文件大小 规格书
29页 472K
描述
Battery ID/Monitor Chip

DS2436B+R 数据手册

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DS2436  
Battery ID/Monitor Chip  
www.maxim-ic.com  
FEATURES  
PACKAGE OUTLINE  
ƒ Unique 1-Wire® interface requires only one  
port pin for communication  
ƒ Provides unique 64-bit identification number  
to battery packs  
DALLAS  
DS2436  
1 2 3  
ƒ On-board A/D converter monitors battery  
voltage for end-of-charge and end-of-  
discharge determination  
BOTTOM  
ƒ Eliminates thermistors by sensing battery  
temperature on-chip  
ƒ 256-bit nonvolatile user memory available  
for storage of data such as fuel gauge and  
manufacturing information  
VDD  
NC  
1
8
7
NC  
NC  
2
3
4
NC  
NC  
DQ  
6
5
GND  
ƒ 2-byte cycle counter  
ƒ Operating range of -40°C to +85°C  
ƒ Applications include portable computers,  
portable/ cellular phones, consumer  
electronics, and handheld instrumentation  
DS2436Z+  
150-mil, 8-Pin SOIC  
DS2436B+  
TO-92 PACKAGE  
PIN DESCRIPTION  
GND  
DQ  
- Ground  
- Data In/Out  
VDD  
- Supply/Battery Connection  
DESCRIPTION  
The DS2436 Battery Identification/Monitor Chip provides a convenient method of tagging and  
identifying battery packs by manufacturer, chemistry, or other identifying parameters. The DS2436  
allows the battery pack to be coded with a unique 64-Bit ROM ID and a 16-Bit Manufacturer ID, and also  
store information regarding the battery life and charge/ discharge characteristics in its nonvolatile  
memory.  
The DS2436 also performs the essential function of monitoring battery temperature, without the need for  
a thermistor in the battery pack.  
A cycle counter assists to determine the remaining cycle life of the battery.  
Finally, the DS2436 measures battery voltage and sends that measured value to a host CPU for use in  
end-of-charge or end-of-discharge determination or basic fuel gauge operation.  
Information is sent to/from the DS2436 over a 1-Wire interface, so that battery packs need only have  
three output connectors: power, ground, and the 1-Wire interface.  
1-Wire is a registered trademark of Dallas Semiconductor.  
1 of 29  
071607  

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