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AAT3684IOQ-4.2-1-T1 PDF预览

AAT3684IOQ-4.2-1-T1

更新时间: 2024-01-05 23:17:54
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
17页 280K
描述
500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger

AAT3684IOQ-4.2-1-T1 技术参数

生命周期:Obsolete包装说明:,
Reach Compliance Code:unknown风险等级:5.84
Base Number Matches:1

AAT3684IOQ-4.2-1-T1 数据手册

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PRODUCT DATASHEET  
AAT3684  
BatteryManagerTM  
500mA USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger  
General Description  
Features  
The AAT3684 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 6.5V. It requires just one external component.  
• USB or AC Adapter System Power Charger  
Programmable from 15mA to 500mA  
• 4.0V ~ 6.5V 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 AAT3684 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 500mA.  
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  
(AAT3684-1 is No Trickle Charge Option)  
• Over-Voltage and Emergency Thermal Protection  
• Power On Reset and Soft Start  
• LED Status Pin  
• STDFN2.2x2.2-10 Package  
The AAT3684 is available in a Pb-free, thermally  
enhanced, space-saving 10-pin 2.2x2.2mm STDFN 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
AAT3684  
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  
3684.2007.12.1.2  
1

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