MB3836 データシートの表示（PDF） - Fujitsu

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MB3836

Li-Ion Battery Protection IC 3836

Fujitsu 

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)

6

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