MB3836 Datasheet, PDF (6/28 Pages) Fujitsu Component Limited. – Li-Ion Battery Protection IC

MB3836
s ELECTRICAL CHARACTERISTICS
Parameter
Sym- Pin
bol No.
Conditions
(VCC = 12.6 V, Ta = + 25 °C)
Value
Unit
Min Typ Max
Detection voltage
Ta = + 25 °C,
VTH
2, 7, ^{Each cell voltage}
8, 9 _{Ta = 0 °C to + 70 °C,}
Each cell voltage
4.300 4.325 4.350 V
4.280 4.325 4.370 V
Over-charge _{Hysteresis width}
detection
block
Input current
VH
2, 7,
8, 9

IIN 7, 8, 9 Each cell voltage = 4.2 V
0.14 0.20 0.26 V
 0.1 0.5 µA
Delay time
tD
2 COVT = 0.01 µF
11.5 23 34.5 ms
Output voltage
VOL 2 COUT = 1 mA
 0.75 1.0 V
Output leakage
current
ILEAK 2 COUT = 13.5 V

0
0.5 µA
Detection voltage
VTH
7, 8,
9, 19

2.695 2.75 2.805 V
PF output delay time tD1 19 CUVT = 0.15 µF, VCC = 8.5 V 1
2
3
s
PF Min pulse width tP 19 CUVT = 0.15 µF, VCC = 8.5 V  7 *  ms
Over-
discharge
detection,
power-fail
Output voltage
Output leakage
current
VOL
ILEAK
19 PF = 1 mA
19 PF = 13.5 V
 0.75 1.0 V

0
0.5 µA
circuit block Input threshold
voltage
VTH 3, 18 Each cell voltage = 2 V
2.0 3.5 5.0 V
Input current
IIN 18 PDWN = 5 V
 50 100 µA
Power-down delay
time
tD2
3 CPDT = 1.5 µF, VCC = 8.5 V 10
20
30
s
Detection voltage
Over-
current
detection
block
Delay time
VTH1
1, 3, Voltage between VCC
13 terminal and OCV terminal
VTH2
1, 3, Voltage between VCC
13 terminal and OCV terminal
tD1
3
COCT = 560 pF
VTH2 > VCC−OCV > VTH1
tD2
3
COCT = 560 pF
VCC−OCV > VTH2
0.22 0.30 0.38 V
0.45 0.60 0.75 V
4
7
10 ms
250 500 750 µs
Output voltage
VOL 3 DOUT = 1 mA
VOH 3 DOUT = −0.4 mA


VCC−
0.4

1.0 V
V
Cell voltage
input block
Input current at
over-charge
Short cell detection
voltage
IIN 7, 8, 9 Each cell voltage = 4.5 V
Cell voltage without
VTH 7, 8, 9 measuring cell = 3.6 V
at COUT = “L”→“H”
22.5 45 67.5 µA
 0.6 *  V
*: Standard design value
(Continued)
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