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参数资料
| 型号： | MAX1551EZK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR LI+ 1CELL SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 3.7 V ~ 7 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-5 细型，TSOT-23-5 |
| 供应商设备封装： | TSOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | MAX1551EZK+TDKR |
MAX1551/MAX1555
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+
Battery Chargers
ABSOLUTE MAXIMUM RATINGS
DC to GND......................................................................0 to +8V
DC to BAT .......................................................................0 to +7V
BAT, CHG , POK , USB to GND .................................-0.3V to +7V
Continuous Power Dissipation (T A = +70 ° C)
5-Pin Thin SOT23 (derate 9.1mW/ ° C above +70 ° C) ....727mW
Operating Temperature Range ...........................-40 ° C to +85 ° C
Junction Temperature Range ............................-40 ° C to +150 ° C
Storage Temperature Range .............................-65 ° C to +150 ° C
Lead Temperature (soldering, 10s) .................................+300 ° C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V DC = 5V, V USB = 0, I BAT = 0, C BAT = 1μF, T A = 0°C to +85°C , unless otherwise noted.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC
DC Voltage Range
DC to BAT Voltage Range
(Note 1)
3.7
0.1
7.0
6.0
V
V
DC Undervoltage Lockout
Threshold
DC Supply Current
DC to BAT On-Resistance
DC to BAT Dropout Voltage
Input rising, 430mV hysteresis, V BAT = 3V (Note 1)
V DC = 3.7V, V BAT = 3.6V
When charging stops, V BAT = 4V,
DC falling, 200mV hysteresis
3.75
30
3.95
1.75
1
60
4.15
3
2
90
V
mA
?
mV
USB
USB Voltage Range
(Note 1)
3.7
6.0
V
USB Undervoltage Threshold
USB Supply Current
USB to BAT On-Resistance
USB to BAT Dropout Voltage
Input rising, 430mV hysteresis, V DC = 0,
V BAT = 3V (Note 1)
V USB = 5V, V DC = 0
V USB = 3.7V, V BAT = 3.6V, V DC = 0
When charging stops, V BAT = 4V,
USB falling, 200mV hysteresis, V DC = 0
3.75
30
3.95
1.65
2
60
4.15
3
4
90
V
mA
?
mV
BAT
BAT Regulation Voltage
DC Charging Current
USB Charging Current
BAT Prequal Threshold
Prequalification Charging Current
BAT Leakage Current
V DC or V USB = 5V
V BAT = 3.3V, V USB = 0, V DC = 5V
V BAT = 3.3V, V DC = 0, V USB = 5V
V BAT rising, 100mV hysteresis
V BAT = 2.8V
V DC = V USB = 0, V BAT = 4.2V
4.158
220
80
2.9
20
4.2
280
90
3
40
4.242
340
100
3.1
80
5
V
mA
mA
V
mA
μA
POK , CHG , AND THERMAL LIMIT
CHG Threshold
CHG , POK Logic-Low Output
CHG , POK Leakage Current
Thermal-Limit Temperature
Charge current where CHG goes high,
I BAT falling, 50mA hysteresis
I CHG , I POK = 10mA
V CHG , V POK = 6V, T A = +25 ° C
Charge current reduced by 17mA/ ° C above this
temperature
25
50
150
0.001
+110
100
300
1
mA
mV
μA
° C
2
Maxim Integrated
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