MB3836 Datasheet, PDF (8/28 Pages) Fujitsu Component Limited. – Li-Ion Battery Protection IC

MB3836
s TYPICAL CHARACTERISTICS
200
180
160
140
120
100
80
60
40
20
0
0
Power Supply Current
vs.Power Supply Voltage
Ta = +25 °C BATH = VCC
H cell voltage = M cell voltage = L cell voltage
OUTON = 5 V
Cell voltage monitoring
state
MSW1 = OPEN
MSW2 = 5 V
Normal state
MSW1 = MSW2 = OPEN
2
4
6
8 10 12 14 16
Power supply voltage VCC (V)
Delay Time on Over-charge Detection Block
1000
Ta = +25 °C
100
Over-charge Detection Voltage
vs. Ambient Temperature
4.40
4.38
4.36
4.34
4.32
4.30
4.28
Typical H cell
OUTON = 5 V
4.26
BATH = VCC
4.24
BATM = 8.4 V
4.22
BATL = 4.2 V
4.20
−40 −20 0
20 40 60 80 100
Ambient temperature Ta (°C)
Delay Time on Over-discharge Detection Block
100
Ta = +25 °C
10
10
1
1
0.1
0.1
100
1000
10000
100000
Capacitor for setting delay time COVT (pF)
0.01
0.0001 0.001
0.01
0.1
1
10
Capacitor for setting alarm output time CUVT (µF)
Delay Time on Over-discharge Detection
Block
1000
Ta = +25 °C
100
10
Delay Time of Over-current Detection
100
tD1
VCC − OCV = 0.5 V
Ta = +25 °C
10
1
0.1
0.01
0.0001 0.001
0.01
0.1
1
10
Capacitor for setting power failure permission
signal wait time CPDT (µF)
1
0.1
100
1000
tD2
VCC − OCV = 1 V
10000
Capacitor for setting delay time COCT (pF)
(Continued)
8