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DS2712EB+T

更新时间: 2024-11-06 19:52:55
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
15页 217K
描述
Power Supply Management Circuit,

DS2712EB+T 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:5 weeks风险等级:5.65
模拟集成电路 - 其他类型:POWER SUPPLY MANAGEMENT CIRCUIT峰值回流温度(摄氏度):NOT SPECIFIED
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

DS2712EB+T 数据手册

 浏览型号DS2712EB+T的Datasheet PDF文件第2页浏览型号DS2712EB+T的Datasheet PDF文件第3页浏览型号DS2712EB+T的Datasheet PDF文件第4页浏览型号DS2712EB+T的Datasheet PDF文件第5页浏览型号DS2712EB+T的Datasheet PDF文件第6页浏览型号DS2712EB+T的Datasheet PDF文件第7页 
19-5826; Rev 4/11  
DS2711/DS2712  
Loose-Cell NiMH Chargers  
GENERAL DESCRIPTION  
PIN CONFIGURATION  
The DS2711 and DS2712 are ideal for in-system or  
stand-alone charging of 1 or 2 AA or AAA NiMH  
“loose” cells. Temperature, voltage, and charge time  
are monitored to provide proper fast-charging control  
algorithms for nickel metal hydride (NiMH) batteries.  
Battery tests are included to detect defective or  
inappropriate cells such as alkaline primary batteries.  
The DS2711/DS2712 support series and parallel  
topologies, with independent monitoring and control of  
each cell. Charging of NiCd chemistry cells is also  
supported.  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CC1  
CC2  
VP2  
VP1  
LED1  
VSS  
THM2  
THM1  
VDD  
LED2  
CSOUT  
VN1  
TMR  
CTST  
DMSEL  
VN0  
APPLICATIONS  
SO (150 mils)  
Desktop/Stand-Alone Chargers (AAA/AA)  
TSSOP (4.4mm)  
Digital Still Cameras  
Music Players  
Games  
PIN DESCRIPTION  
PIN  
NAME  
FUNCTION  
Toys  
1
2
3
CC1  
CC2  
LED1  
Cell 1 Charge-Control Output  
Cell 2 Charge-Control Output  
Cell 1 Status  
Ground Reference and Chip-  
Supply Return  
FEATURES  
4
VSS  
.
.
.
.
Charge 1 or 2 NiMH Cells  
Detect and Avoid Charging Alkaline Cells  
Precharge Deeply Depleted Cells  
Fast Charge NiMH with -V Termination  
Sensitivity of 2mV (typ)  
5
6
7
8
9
10  
11  
12  
13  
14  
LED2  
Cell 2 Status, Mode-Select Input  
CSOUT Current-Sense Output  
VN1  
VN0  
DMSEL  
CTST  
TMR  
VDD  
THM1  
THM2  
Current-Sense + Input  
Current-Sense - Input  
Display-Mode Select  
Cell Test Threshold Set  
Charge Timer Set  
Chip-Supply Input (4.0V to 5.5V)  
Cell 1 Thermistor Input  
Cell 2 Thermistor Input  
Cell 1 Positive-Terminal Sense  
Input  
.
.
Monitor Voltage, Temperature, and Time for  
Safety and Secondary Termination  
Regulate Charge Current:  
Linear Control (DS2711)  
15  
16  
VP1  
VP2  
Switch-Mode Control (DS2712)  
Cell 2 Positive-Terminal Sense  
Input  
.
.
.
Drive pMOS or pnp-Type Pass Element or  
Switch, or an Optocoupler  
Compatible with Popular Optocouplers and  
Integrated Primary-Side PWM Controllers  
Small 16-Pin SO or TSSOP Packages  
1 of 15  

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