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参数资料
| 型号： | MAX1898EUB42+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/12页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI+ SNGL 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.5 V ~ 12 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
Linear Charger for Single-Cell Li+ Battery
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 8V, V BATT = 4V, EN/OK = open, RSET = 2.8k ? , RSTRT = GND, T A = -40 ° C to +85 ° C , unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
MAX
UNITS
Done, RSTRT = GND, V BATT = 4.1V for
MAX1898EUB42 and 4.0V for MAX1898EUB41
100
BATT Input Current
IN, CS Input Current
Done, RSTRT = open, V BATT = 4.1V for
MAX1898EUB42 and 4.0V for MAX1898EUB41
EN/OK = GND
V IN = 4V
V IN = V BATT = 4V (I IN + I CS )
V IN = 12V, (I IN + I CS ), done, RSTRT = open
10
10
10
10
5
μA
μA
mA
VOLTAGE LOOP
Voltage-Loop Set Point
MAX1898EUB42
MAX1898EUB41
4.137
4.038
4.263
4.162
V
V BATT Prequal Voltage Threshold
Timers running
MAX1898EUB42
MAX1898EUB41
2.394
2.337
2.646
2.583
V
DRV Sink Current
V DRV = V IN - 1V, V BATT = 3.5V
3.5
mA
Maximum Voltage (V IN - V DRV )
V BATT = 3.5V
3
7
V
V BATT Restart Threshold (As a
Percentage of Voltage-Loop Set
RSTRT = GND
92
98
%
Point)
CURRENT LOOP
Internal Current-Sense Resistance
RMS Charge Current
Current-Sense Amplifier Gain, I SET
to I IN Fast Charge
Current-Sense Amplifier Gain, I SET
to I IN Prequal
Current-Loop Regulation Set Point
CHG Trip Threshold (As a
Percentage of Full Load Current)
Timer Accuracy
CHG Output Low Current
CHG Output High Leakage
CHG Blink Rate
IN to CS pin-to-pin resistance
I CS = 500mA, V SET = 1.4V
I CS = 50mA, V ISET = 0.14V,
V BATT = 2V
RSET = 2.8k ? , V BATT = 3.5V, closed-loop
performance
I LOAD falling, RSET = 2.8k ?
I LOAD rising, RSET = 2.8k ?
C CT = 100nF for 2 hours, 54 minutes nominal
V CHG = 1V
V CHG = 12V
Fault state (50% duty cycle), CT = 100nF
50
0.93
0.6
440
15
17
-13
3.5
1
200
1.4
1.07
1.50
560
25
27
+13
7
1
2
m ?
A
mA/A
mA/A
mA
%
%
mA
μA
Hz
Note 1: Specifications to -40 ° C are guaranteed by design and not production tested.
4
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