MIC79110 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – Simple 1.2A Linear Li-Ion Battery Charger

MIC79110
Battery Current
vs. Battery Voltage
4.5
4.0
R
SET
=
2kΩ
3.5
V_IN = V_OUT+1V
V_OUT = 4.2V
3.0
2.5
2.0
1.5
1.0
0.5
00 _{100 200 300 400 500 600}
BATTERY CURRENT (mA)
Reverse Current
vs. Battery Voltage
14 V_IN=0V
12 ^VRSET=0V
10
8
6
4
2
00 _{1 2 3 4 5 6 7 8 9 10}
BATTERY VOLTAGE (V)
Micrel
Battery Current
vs. R_SET
1.8
1.6
V_IN = V_OUT+1V
V_OUT = 4.2V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
R_SET (kΩ)
D_EOC Hysteresis
50
45
40
35
30
25
20
15
10
5
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Reverse Battery Current
vs. Temperature
9
8
7
6
5
4
3
2
1
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
1000
D_EOC Threshold
vs. R_EOC
900
800
700
600
500
400
300
200
100
04 _{3.5 3 2.5 2 1.5 1 0.5 0}
R_EOC (kΩ)
Battery Current
505
504
503
502
501
500
499-5
R_SET = 40Ω
5 15 25 35 45 55
TEMPERATURE (°C)
M9999-072004
6
July 2004