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参数资料
| 型号： | DS2726G+T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC PROT LI+ 5-10CELL 32-TQFP |
| 标准包装： | 2,500 |
| 功能： | 过压/欠压保护 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 5 V ~ 50 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WQFN 裸露焊盘 |
| 供应商设备封装： | 32-TQFN-EP（7x7） |
| 包装： | 带卷 (TR) |
5-Cell to 10-Cell Li+ Protector with
Cell Balancing
ELECTRICAL CHARACTERISTICS: PROTECTION CIRCUIT (continued)
(T A = 0°C to +50°C.)
PARAMETER
Overvoltage Delay
Undervoltage Delay
Discharge Overcurrent Delay
Short-Circuit Delay
Charger-Detect Threshold
(V PKP - V VIN )
Test Threshold
Test Current
SYMBOL
t OVD
t UVD
t DOCD
t SCD
V CDET
V TP
I TST
CONDITIONS
C DOCD = 100pF (Notes 7, 12)
C DOCD = 1000pF (Notes 7, 12)
C SCD = 100pF (Notes 7, 12)
C SCD = 1000pF (Notes 7, 12)
DOC conditions
DOC condition, V IN - V PKP = 2V
DOC condition, V IN - V PKP = 50V
MIN
128 x
t DOCDMIN
128 x
t DOCDMIN
2.56
25.6
45
405
3
0.8
68
0.5
TYP
3.20
32.0
58
508
1.2
120
1.20
MAX
128 x
t DOCDMAX
128 x
t DOCDMAX
3.84
38.4
72
612
17
1.7
200
1.8
UNITS
ms
ms
ms
μs
mV
V
μA
mA
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
Note 12:
All voltages relative to GND.
Voltages below this level cannot be monitored; therefore, CC and DC are off below this value.
Full-gate drive is not achieved until the voltage source for the gate driver (V PKP or V VIN ) is above 13V.
With 10μF decoupling capacitor.
I LOAD is the current load on the pin specified in the parameter.
V CC cannot meet specification if V VIN is below this value.
Capacitance tolerance introduces additional error.
With ≥ 0.1μF decoupling capacitor.
Current is an average. Spikes up to 200μA when measuring cell voltages.
Current is an average. Spikes up to 15μA when measuring cell voltages.
Current depends on the number of cells being balanced.
Includes switching time and comparator delay with 25mV overdrive.
4
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