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參數(shù)資料
| 型號： | AAT3681 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger |
| 中文描述： | USB端口或AC適配器鋰離子電池充電器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 329K |
| 代理商： | AAT3681 |
AAT3681
USB Port or AC Adapter
Lithium-Ion/Polymer Battery Charger
3681.2007.01.1.2
1
BatteryManager
General Description
The AAT3681 BatteryManager is an integrated sin-
gle cell lithium-ion/polymer battery charger IC,
designed to operate from a DC power source or
USB port up to an input voltage of 6.5V. It requires
just one external component.
The AAT3681 precisely regulates battery charge
voltage and current for 4.2V (4.375V option) lithium-
ion/polymer battery cells. When charged from an
AC adapter or USB port, the battery charging cur-
rent 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-circuit, or over-temperature failure, the
device will automatically shut down, thus protecting
the charging device, control system, and the bat-
tery under charge. A status monitor output pin is
provided to indicate the battery charge status by
directly driving an external LED.
The AAT3681 is available in a Pb-free, thermally
enhanced, space-saving 8-pin 2.0x2.1mm SC70JW
package and is specified for operation over the
-40°C to +85°C temperature range.
Features
USB or AC Adapter System Power Charger
— Programmable from 15mA to 300mA
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
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
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
AAT3681
C
BATT-
Battery
Pack
ADP
GND
BAT
BATT+
R
SET
Adapter/USB Input
STAT
EN
ISET
Enable
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| AAT3681IJS-4.2-1-T1 | USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger |
| AAT3681IJS-4.2-T1 | USB Port or AC Adapter Lithium-Ion/Polymer Battery Charger |
| AAT3685 | Lithium-Ion/Polymer Battery Charger |
| AAT3685IWP-4.2-1-T1 | Lithium-Ion/Polymer Battery Charger |
| AAT3685IWP-4.2-T1 | Lithium-Ion/Polymer Battery Charger |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3681AIJS-4.1-5-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| AAT3681AIJS-4.1-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| AAT3681AIJS-4.2-1-T1 | 功能描述:IC BATT CHG LI-ION SC70JW-8 制造商:skyworks solutions inc. 系列:- 包裝:* 零件狀態(tài):上次購買時間 電池化學:鋰離子/聚合物 電池數(shù):1 電流 - 充電:恒流 - 可編程 可編程特性:- 故障保護:超溫，過壓，短路 充電電流 - 最大值:500mA 電池組電壓:4.2V 電壓 -?供電（最高）:7.5V 接口:USB 工作溫度:-40°C ~ 85°C（TA） 封裝/外殼:* 供應商器件封裝:* 標準包裝:1 |
| AAT3681AIJS-4.2-2-T1 | 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT3681AIJS-4.2-4-T1 | 功能描述:電池管理 500mA USB Port/Adptr Li-Ion/Ply Batt Chgr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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