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AAT2556IWP-CA-T1 PDF预览

AAT2556IWP-CA-T1

更新时间: 2024-01-02 22:18:47
品牌 Logo 应用领域
ANALOGICTECH 转换器电源电路电池电源管理电路便携式
页数 文件大小 规格书
29页 745K
描述
Battery Charger and Step-Down Converter for Portable Applications

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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AAT2556  
Battery Charger and Step-Down  
Converter for Portable Applications  
SystemPower  
General Description  
Features  
The AAT2556 is a member of AnalogicTech's Total  
Power Management IC™ (TPMIC™) product fam-  
ily. It is a fully integrated 500mA battery charger  
plus a 250mA step-down converter. The input volt-  
age 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/polymer 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  
— 100µs Start-Up Time  
Short-Circuit, Over-Temperature, and Current  
Limit Protection  
TDFN33-12 Package  
The battery charger is a complete constant current/  
constant voltage linear charger. It offers an inte-  
grated pass device, reverse blocking protection,  
high current accuracy and voltage regulation,  
charge status, and charge termination. The charg-  
ing current is programmable via external resistor  
from 15mA to 500mA. In addition to standard fea-  
tures, the device offers over-voltage, current limit,  
and thermal protection.  
The step-down converter is a highly integrated  
converter operating at 1.5MHz of switching fre-  
quency, minimizing the size of external compo-  
nents while keeping switching losses low. It has  
independent input and enable pins. The output  
voltage ranges from 0.6V to the input voltage. The  
feedback and control deliver excellent load regula-  
tion and transient response with a small output  
inductor and capacitor.  
-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  
2556.2006.05.1.0  
1

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