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參數(shù)資料
| 型號(hào)： | AAT3687 |
| 廠商： | Advanced Analog Technology,lnc. |
| 英文描述： | Lithium-Ion/Polymer Battery Charger |
| 中文描述： | 鋰離子電池充電器 |
| 文件頁(yè)數(shù)： | 1/22頁(yè) |
| 文件大小： | 526K |
| 代理商： | AAT3687 |
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General Description
The AAT3687 BatteryManager is a highly integrat-
ed single-cell lithium-ion/polymer battery charger
IC designed to operate with AC adapter inputs. It
requires a minimum number of external compo-
nents. The AAT3687 precisely regulates battery
charge voltage and current for 4.2V lithium-
ion/polymer battery cells. Adapter charge current
rates can be programmed up to 1.5A. An active
thermal management system regulates the fast
charge constant current for all ambient tempera-
ture and input vs. output voltage conditions.
Battery temperature and charge state are fully
monitored for fault conditions. In the event of an
over-voltage or over-temperature failure, the
device will automatically shut down, thus protecting
the charging device, control system, and the bat-
tery under charge. Status monitor output pins are
provided to indicate the battery charge status by
directly driving two external LEDs. Aserial interface
output is available to report 12 various charging
status states to a microcontroller.
The AAT3687 is available in a Pb-free, thermally-
enhanced, space-saving 12-pin TDFN 3x3mm
package and is rated over the -40°C to +85°C tem-
perature range.
Features
Input Voltage Range: 4.0V to 5.5V
Up to 1.5A Charging Current
Adapter Present Indicator (ADPP#)
High Level of Integration with Internal:
— Charging Device
— Reverse Blocking Diode
— Current Sensing
Active Thermal Loop Charge Reduction
Automatic Recharge Sequencing
Battery Temperature Monitoring
Full Battery Charge Auto Turn-Off / Sleep Mode
Over-Voltage, Over-Temperature, and
Emergency Thermal Protection
Power On Reset and Soft Start
Serial Interface Status Report
12-Pin 3x3mm TDFN Package
-40°C to +85°C Temperature Range
Applications
Cellular Telephones
Digital Still Cameras
Hand Held PCs
MP3 Players
Personal Data Assistants (PDAs)
Other Lithium-Ion/Polymer Battery-Powered
Devices
AAT3687
Lithium-Ion/Polymer Battery Charger
Typical Application
AAT3687
C
OUT
10
μ
F
BATT-
TEMP
Battery
Pack
ADP
ADPSET
CT
GND
TS
BAT
BATT+
R
SET
R
B1
R
B2
C
IN
10
μ
F
C
T
0.1
μ
F
Adapter
STAT1
LED1
LED2
STAT2
DATA
Serial Interface
EN
Enable
ADPP#
Adapter
Present
+
3687.2006.10.1.7
1
BatteryManager
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| AAT3687IWP-4.2-2-T1 | Lithium-Ion/Polymer Battery Charger |
| AAT3687IWP-4.2-T1 | Lithium-Ion/Polymer Battery Charger |
| AAT3688 | USB Port Lithium-Ion/Polymer Battery Charger |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AAT3687IWP-4.2-1-T1 | 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT3687IWP-4.2-T1 | 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT3688AIWP-4.2-DB1 | 制造商:Skyworks Solutions Inc 功能描述:AAT3688 Series USB Port Lithium-Ion/Polymer Battery Charger Evaluation Board |
| AAT3688AIWP-4.2-T1 | 制造商:Skyworks Solutions Inc 功能描述:Battery Management 1A USB Port LI-Ion Polymer Battery Chgr 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
| AAT3688IWP-4.2-T1 | 制造商:SKYWORKS SOLUTIONS 功能描述:AAT3688 Series 5.5 V USB Port Lithium-Ion/Polymer Battery Charger - TDFN33-12 制造商:Skyworks Solutions Inc 功能描述:POWER MANAGEMENT IC |
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