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参数资料
| 型号： | DS2711Z+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/15页 |
| 文件大小： | 0K |
| 描述： | IC NIMH CHARGER 16SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 功能： | 充电管理 |
| 电池化学： | 镍金属氢化物 |
| 电源电压： | 4 V ~ 5.5 V |
| 工作温度： | -20°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
DS2711/DS2712: Loose-Cell NiMH Chargers
Table 3. Parallel Configuration, Each Cell
MODE
CURRENT LIMIT 500mA
CURRENT LIMIT 1000mA
Cell Capacity
Fast
Precharge/Top-Off
Maintenance
900mAH
C/3.72
C/14.4
C/115
1700mAH
C/7.02
C/27.2
C/218
2200mAH
C/9.08
C/35.2
C/282
900mAH
C/1.86
C/7.20
C/57.6
1700mAH
C/3.51
C/13.6
C/109
2200mAH
C/4.54
C/17.6
C/141
Series and Single Cell Charging Example
In the series and single-cell modes, the effective fast charge current is equal to 0.969 times the regulated current
limit and the top-off current is 0.25 times the regulated current. The maintenance mode is identical to the parallel
charging rate, that is, 1/64 times the regulated current. The C-rates for charging 3 different cell capacities using a
500mA and a 1000mA current source are shown in Table 4.
Table 4. Series Configuration, Each Cell
MODE
CURRENT LIMIT 500mA
CURRENT LIMIT 1000mA
Cell Capacity
Fast
Precharge/Top-Off
Maintenance
900mAH
C/1.86
C/7.20
C/115
1700mAH
C/3.51
C/13.6
C/218
2200mAH
C/4.54
C/17.6
C/282
900mAH
C/0.93
C/3.60
C/57.6
1700mAH
C/1.75
C/6.80
C/109
2200mAH
C/2.27
C/8.80
C/141
LED1 and LED2 Outputs, MODE-Select Input
Open-drain outputs LED1 and LED2 pull low to indicate charge status. When inactive, the outputs are high
impedance. LED1 displays the status for the cell monitored by VP1 and LED2 displays the status for the cell
monitored by VP2.
The LED pins drive low in three “blink” patterns to annunciate the charge status. Table 5 summarizes the LED
operation in each display mode (DM0, DM1, DM2) for each charge condition. In parallel mode, LED1 indicates the
status of the cell whose positive terminal is connected to VP1 and LED2 indicates the status of the cell whose
positive terminal is connected to VP2. In series mode, LED1 indicates the charge status for both cells since they
are charged in series.
Table 5. Display Patterns by Display Mode and Charge Activity
CHARGE ACTIVITY
DISPLAY
DMSEL
MODE
PIN
PRE/FAST/
NO BATTERY
TOP-OFF
MAINTENANCE
FAULT
CHARGING
0.80s Low
0.48s Low
DM0
Low
High Impedance
Low
0.16s High
0.48s High
Impedance
Impedance
0.16s Low
DM1
Open
High Impedance
Low
High Impedance
0.16s High
Impedance
0.80s Low
0.16s Low
DM2
High
High Impedance
0.16s High
Low
0.16s High
Impedance
13 of 15
Impedance
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2711Z/T&R | 制造商:Maxim Integrated Products 功能描述:LOOSE CELL NIMH CHARG.SOIC16 PIN TR - Tape and Reel |
| DS2711Z/T&R | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Loose Cell NiMH Chargers |
| DS2711Z/TR | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Loose Cell NiMH Chargers |
| DS2711Z+ | 功能描述:电池管理 Loose Cell NiMH Chargers RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| DS2711Z+T | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:Loose-Cell NiMH Chargers Detect and Avoid Charging Alkaline Cells |
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