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AAT2556IWP-CA-T1

更新时间： 2024-02-15 15:45:12
品牌 Logo 应用领域
思佳讯 - SKYWORKS 转换器稳压器开关式稳压器或控制器电源电路电池开关式控制器便携式
页数 文件大小 规格书
27页 2371K
描述
Battery Charger and Step-Down Converter for Portable Applications

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AAT2556IWP-CA-T1 技术参数

是否Rohs认证： 符合生命周期：Obsolete
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
模拟集成电路 - 其他类型：BATTERY CHARGE CONTROLLERJESD-30 代码：R-PDSO-N12
端子数量：12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：SON封装等效代码：SOLCC12,.12,18
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
电源：3.6 V认证状态：Not Qualified
子类别：Power Management Circuits标称供电电压 (Vsup)：3.6 V
表面贴装：YES温度等级：INDUSTRIAL
端子形式：NO LEAD端子节距：0.45 mm
端子位置：DUALBase Number Matches：1

AAT2556IWP-CA-T1 数据手册

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DATA SHEET  
AAT2556  
Battery Charger and Step-Down Converter for Portable Applications  
General Description  
Features  
•
The AAT2556 is a member of Skyworks' Total Power  
Management IC (TPMIC™) product family. It is a fully  
integrated 500mA battery charger plus a 250mA step-  
down converter. The input voltage range is 4V to 6.5V for  
the battery charger and 2.7V to 5.5V for the step-down  
converter, making it ideal for single-cell lithium-ion/poly-  
mer battery-powered applications.  
Battery Charger:  
Input Voltage Range: 4V to 6.5V  
Programmable Charging Current up to 500mA  
Highly Integrated Battery Charger  
▪
▪
▪
Charging Device  
Reverse Blocking Diode  
▪
▪
•
Step-Down Converter:  
Input Voltage Range: 2.7V to 5.5V  
Output Voltage Range: 0.6V to VIN  
250mA Output Current  
Up to 96% Efficiency  
30μA Quiescent Current  
1.5MHz Switching Frequency  
▪
The battery charger is a complete constant current/ con-  
stant voltage linear charger. It offers an integrated pass  
device, reverse blocking protection, high current accu-  
racy and voltage regulation, charge status, and charge  
termination. The charging current is programmable via  
external resistor from 15mA to 500mA. In addition to  
standard features, the device offers over-voltage, cur-  
rent limit, and thermal protection.  
▪
▪
▪
▪
▪
100μs Start-Up Time  
Short-Circuit, Over-Temperature, and Current Limit  
Protection  
▪
•
•
•
The step-down converter is a highly integrated converter  
operating at 1.5MHz of switching frequency, minimizing  
the size of external components while keeping switching  
losses low. It has independent input and enable pins.  
The output voltage ranges from 0.6V to the input volt-  
age. The feedback and control deliver excellent load  
regulation and transient response with a small output  
inductor and capacitor.  
TDFN33-12 Package  
-40°C to +85°C Temperature Range  
Applications  
•
•
•
•
•
•
Bluetooth™ Headsets  
Cellular Phones  
Handheld Instruments  
MP3 and Portable Music Players  
PDAs and Handheld Computers  
Portable Media Players  
The AAT2556 is available in a Pb-free, thermally-  
enhanced TDFN33-12 package and is rated over the  
-40°C to +85°C temperature range.  
Typical Application  
Adapter / USB Input  
ADP  
VIN  
EN_BUCK  
BAT  
STAT  
BATT +  
Enable  
EN_BAT  
VOUT  
L= 3.3μH  
RFB1  
C
LX  
FB  
BATT -  
ISET  
COUT  
RSET  
RFB2  
GND  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
1
202177B  
• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 19, 2013  
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