参数资料
型号: MAX1551EZK+T
厂商: Maxim Integrated Products
文件页数: 4/8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
Typical Operating Characteristics
(V DC = 5V, V USB = 0, I BAT = 0, C BAT = 1μF, T A = +25 ° C, unless otherwise noted.)
300
250
200
150
100
50
0
-50
CHARGE CURRENT
vs. DC VOLTAGE HEADROOM
V BAT = 3.8V, V DC FALLING
100
80
60
40
20
0
-20
CHARGE CURRENT
vs. USB VOLTAGE HEADROOM
V DC = 0, V BAT = 3.8V, V USB FALLING
300
250
200
150
100
50
0
-50
DC CHARGE CURRENT
vs. BATTERY VOLTAGE
0
0.1
0.2
0.3
0.4
0.5
0
0.1
0.2
0.3
0.4
0.5
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
100
DC VOLTAGE HEADROOM (V DC - V BAT ) (V)
USB CHARGE CURRENT
vs. BATTERY VOLTAGE
300
USB VOLTAGE HEADROOM (V USB - V BAT ) (V)
DC CHARGE CURRENT
vs. AMBIENT TEMPERATURE
4.22
BATTERY VOLTAGE (V)
BATTERY TERMINATION VOLTAGE
vs. TEMPERATURE
BAT OPEN
80
60
250
200
THERMAL LIMIT ACTIVATED
4.21
150
40
100
4.20
20
0
-20
50
0
-50
V BAT = 3.8V, V DC = 5V
4.19
4.18
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
25
35
45
55
65
75
85
-40
-15
10
35
60
85
BATTERY VOLTAGE (V)
OFF-BATTERY LEAKAGE CURRENT
vs. DC INPUT VOLTAGE
2.5
TEMPERATURE ( ° C)
TEMPERATURE ( ° C)
USB-TO-DC TRANSITION WAVEFORM
MAX1551/55 toc08
2.0
1.5
V DC = 0, SWEEPING USB
0 TO 5V OR V USB = 0,
SWEEPING DC 0 TO 5V
V BAT = 4.2V
0A
BATTERY
CURRENT
200mA/div
V USB
5V/div
0V
1.0
0.5
0
0V
0V
V POK
2V/div
V DC
5V/div
0
1
2
3
4
5
400ms/div
DC OR USB INPUT VOLTAGE (V)
4
Maxim Integrated
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