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AAT3681IJS-4.2-1-T1 PDF预览

AAT3681IJS-4.2-1-T1

更新时间: 2024-02-04 06:29:43
品牌 Logo 应用领域
ANALOGICTECH 电源电路电池电源管理电路
页数 文件大小 规格书
15页 242K
描述
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger

AAT3681IJS-4.2-1-T1 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:SOJ, TSSOJ8,.09,20Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.82可调阈值:YES
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-J8
长度:2 mm信道数量:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOJ
封装等效代码:TSSOJ8,.09,20封装形状:RECTANGULAR
封装形式:SMALL OUTLINE电源:5 V
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Power Management Circuits最大供电电流 (Isup):1 mA
最大供电电压 (Vsup):7.5 V最小供电电压 (Vsup):4 V
标称供电电压 (Vsup):5 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:J BEND
端子节距:0.5 mm端子位置:DUAL
宽度:1.75 mmBase Number Matches:1

AAT3681IJS-4.2-1-T1 数据手册

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PRODUCT DATASHEET  
AAT3681  
BatteryManagerTM  
USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger  
General Description  
Features  
The AAT3681 BatteryManager is an integrated single cell  
lithium-ion/polymer battery charger IC, designed to oper-  
ate from a DC power source or USB port up to an input  
voltage of 7.5V. It requires just one external component.  
• USB or AC Adapter System Power Charger  
Programmable from 15mA to 300mA  
• 4.0V ~ 7.5V Input Voltage Range  
• High Level of Integration with Internal:  
Charging Device  
Reverse Blocking Diode  
• Automatic Current Sensing  
• Automatic Recharge Sequencing  
• Full Battery Charge Auto Turn Off/Sleep Mode/Charge  
Termination  
The AAT3681 precisely regulates battery charge voltage  
and current for 4.2V (4.375V option) lithium-ion/poly-  
mer battery cells. When charged from an AC adapter or  
USB port, the battery charging current can be set by an  
external resistor up to 300mA.  
Battery charge state is continuously monitored for fault  
conditions. In the event of an over-voltage, short-cir-  
cuit, or over-temperature failure, the device will auto-  
matically shut down, thus protecting the charging device,  
control system, and the battery under charge. A status  
monitor output pin is provided to indicate the battery  
charge status by directly driving an external LED.  
• Shutdown Current <1μA  
• Automatic Trickle Charge for Battery Pre-Conditioning  
(AAT3681-1 is No Trickle Charge Option)  
• Over-Voltage and Emergency Thermal Protection  
• Power On Reset and Soft Start  
• LED Status Pin  
• 8-Pin 2.0x2.1mm SC70JW Package  
The AAT3681 is available in a Pb-free, thermally  
enhanced, space-saving 8-pin 2.0x2.1mm SC70JW pack-  
age and is specified for operation over the -40°C to  
+85°C temperature range.  
Applications  
• Bluetooth® Headsets  
• DECT Headsets  
• Digital Still Cameras  
• MP3, Portable Music, and Portable Media Players  
• Personal Data Assistants (PDAs)  
• Wrist Watches  
• Other Lithium-Ion/Polymer Battery-Powered Devices  
Typical Application  
Adapter/USB Input  
ADP  
BATT+  
BAT  
C
AAT3681  
BATT-  
Battery  
Pack  
STAT  
EN  
Enable  
ISET  
GND  
RSET  
w w w . a n a l o g i c t e c h . c o m  
3681.2007.12.1.5  
1

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