MM1475 查看數據表（PDF） - Mitsumi
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MM1475 Datasheet PDF : 11 Pages
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MITSUMI
Lithium Ion Battery Charging Control (microcomputer-controlled type) (one cell) MM1475
Characteristics
Current Limit 1 vs Ambient temperature
0.6
0.55
0.5
0.45
0.4
0.35
0.3
-25
0
25
50
75
Ambient temperature (°C)
BAT Pin Output Voltage vs Ambient temperature
4.15
4.14
4.13
4.12
4.11
4.10
4.09
4.08
4.07
4.06
4.05
-25
When VBAT=4.12V
0
25
50
75
Ambient temperature (°C)
VCNT Voltage vs ICNT Current
Ta=25°C
0.5
0.4
0.3
0.2
0.1
0
1
10
100
ICNT Current (mA)
OSC Oscillation Cycle vs CR
Ta=25°C
6
C=0.022µF
5
4
C=0.01µF
3
C=0.0047µF
2
1
0
100 120 140 160 180 200
OSC Resistance R (kΩ)
Current Limit 2 vs Ambient temperature
50
40
30
20
10
0
-25
0
25
50
75
Ambient temperature (°C)
Current Detection Input/Output
Ta=25°C
2.5
2
1.5
1
0.5
0
0 50 100 150 200 250 300
Potential Difference between (CS+) and (CS-) (mV)
BAT Pin Reverse Current vs BAT Pin Voltage
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
BAT Pin Voltage (V)
ADP Detection H Delay Time
when Ta = 25°C, Vcc = 0 6.5V
20
15
10
5
0
0 0.02 0.04 0.06 0.08 0.1
Capacitance between (VDET-TD) and GND (µF)
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