mm1475 Mitsumi Electronics, Corp., mm1475 Datasheet - Page 11

• Manufacturer Part Number: mm1475
• Description: Lithium-ion Battery Charge Control Microcomputer-controlled Type 1 Cell
• Manufacturer: Mitsumi Electronics, Corp.

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