参数资料
型号: SC824ULTRT
厂商: Semtech
文件页数: 8/29页
文件大小: 0K
描述: IC BATTERY MANAGEMENT
标准包装: 1
系列: *
其它名称: SC824ULDKR
SC824
Typical Characteristics (continued)
V VIN = 5V, V BAT = 3.7V, T A = 25 C
700mAhr battery, R IPRGM = 2.94k Ω , V VIN = 5.0V, T A = 25 C, timer enabled
I PQ vs. R IPRGM ;  I FQ vs. R IPRGM , USB Low Power Mode
ο
Charging Cycle Battery Voltage and Current
ο
200
160
7
6
700
600
5
V BAT
500
120
4
400
80
3
2
I BAT
V STAT1
300
200
40
1
100
0
2
6
10
14 18
R IPRGM (k Ω )
22
26
30
0
0
0.25
0.5
0.75
1
1.25 1.5
Time (hrs)
1.75
2
2.25
2.5
0
2.75
Pre-Charging Battery Voltage and Current
CC-to-CV Battery Voltage and Current
700mAhr battery, R IPRGM = 2.94k Ω , V VIN = 5.0V, T A = 25 C
700mAhr battery, R IPRGM = 2.94k Ω , V VIN = 5.0V, T A = 25 C
4
ο
800
4.22
ο
760
3.75
700
V BAT
3.5
600
4.205
730
3.25
3
2.75
I BAT
V BAT
500
400
300
4.19
4.175
I BAT
700
670
2.5
200
4.16
640
2.25
100
2
0
1
2
3
4
Time (s)
5
6
7
0
8
4.145
30
30.5
31
31.5
32
32.5 33 33.5
Time (min)
34
34.5
35
35.5
610
36
Re-Charge Cycle BAT Pin Voltage and Current
USB Low-Power Re-Charge Cycle
4.25
4.15
700mAhr battery, R IPRGM = 2.94k Ω , V VIN = 5.0V, Load = 10mA
500
400
4.25
4.15
700mAhr battery, R IPRGM = 4.42k Ω , V VIN = 5.0V, Load = 10mA
250
200
V BAT
V BAT
4.05
3.95
3.85
I BAT
300
200
100
4.05
3.95
3.85
I BAT
150
100
50
3.75
5
6
7
8
9
10
11
12
13
0
3.75
6
7
8
9
10
11
12
13
14
0
Time (hrs)
Time (hrs)
8
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